Model of earth's seasons

Seasons are caused by the fact that the Earth is tilted on its axis by 23.5°. The tilt's orientation with respect to space does not change during the year; thus, the Northern Hemisphere is tilted toward the sun in June and away from the sun in December, as illustrated in the graphic below. The Relationship Between Length of Day and Temperatur A lot of subjects in geography and geology are linked to the seasons of the earth: the changes in weather, ocean currents, winds, tropical storms, vegetation, fauna and flora, hours of daylight, even economy, migration and social health. This way the model can be used in many lessons during the year

This resource illustrates how the tilt of Earth's axis affects daylight hours and temperatures at four different latitudes. It explicitly shows the geometry that causes this. Comments from expert scientist: The activity correctly shows how the Earth's surface illumination changes seasonally, thus the fundamental cause of the seasons The Earth is tilted on its orbit. This causes an unequal amount of sunshine to fall in different parts of the planet during the course of a year, and this is responsible for the seasons. You can use this animation to illustrate the variations in the length of daylight, and the seasons, in the northern hemisphere. The circles represented are We have 4 seasons due to the tile of the Earth at 23.5 degrees. Sometimes the Northern hemisphere points towards the sun in the summer and sometimes away in.

The Seasons, the Equinox, and the Solstice

3D-model: Earth's seasons - NASA/AD

At the end of this comprehensive seasons lesson plan students will be able to model and illustrate how the tilted Earth rotates on its axis, causing day and night. They will also be able to demonstrate how the revolution of the Earth around the Sun causes the change in seasons in both the northern and southern hemisphere Earth's tilt causes seasons. Students can interpret the effect of different scenarios of Earth's tilt on the seasons and global climate. Students can use color visualizations and spatial models to understand phenomena and solve problems. Science Concepts Earth and Space Sciences Seasons result from variations in sola

Seasons Interactive NOAA Climate

  1. The heliocentric model claims seasons change based on the ball-Earth's alleged axial tilt and elliptical orbit around the Sun, yet their flawed current model places us closest to the Sun (91,400,000 miles) in January when its actually winter, and farthest from the Sun (94,500,000 miles) in July when its actually summer throughout.
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  3. To assess student understandings of the seasons, ask them to demonstrate with either a drawing, poster, or model how and why the seasons change. Regardless of how they demonstrate this concept, students should show that: The earth is tilted on an axis; Different parts of earth receive direct rays from the sun at different times of the yea

Make a storyboard to explain what causes seasons on Earth. Use a series of scenes, props, labels, and shapes to create a model to explain the existence of seasons. Explain summer and winter in both the Northern and Southern Hemispheres. Click Start Assignment. Create a diagram with Earth and the Sun Gain an understanding of the causes of seasons by observing Earth as it orbits the Sun in three dimensions. Observe the path of the Sun across the sky on any date and from any location. Create graphs of solar intensity and day length, and use collected data to describe and explain seasonal changes While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend the Earth's position in space, the Earth's rotation axis and seasons. Students use the model to observe changes in insolation between the equator and poles, and explore the relationship between axial tilt and seasonal changes The seasons are caused by the direction Earth's axis is pointing relative to the Sun. The Earth revolves around the Sun once each year and spins on its axis of rotation once each day. This axis of rotation is tilted 23.5 degrees relative to its plane of orbit around the Sun. The axis of rotation is pointed toward Polaris, the North Star Melissa & Doug Innovation Academy Planetary Orbiter Build-and-Play Light-Up Model of Sun, Earth, Moon. 4.7 out of 5 stars. 45. $19.99. $19. . 99. Get it as soon as Thu, Apr 22. FREE Shipping on orders over $25 shipped by Amazon

Sun And Earth Rotation Model. Orbit of the earth around sun earth is drifting away from the sun the earth s orbit around sun tikz what is the rotation of earth. When did we realize that the earth orbits sun astronomy solar energy and the earth s seasons relationship of sun to how fast is earth moving e earth s orbit and rotation science lesson. Jun 14, 2018 - Explore Tricia Stohr-Hunt's board Earth/Sun/Seasons, followed by 7050 people on Pinterest. See more ideas about seasons, earth and space science, science classroom The Short Answer: Earth has seasons because its axis is tilted. Earth's axis is always pointed in the same direction, so different parts of Earth get the Sun's direct rays throughout the year. For example, in summer, the Sun's rays hit that region more directly than at any other time of the year. Many people believe that Earth is closest to. The students will discuss, define, and demonstrate the Earth's rotation and revolution around the sun. The students work as a whole class and in small groups to determine Minnesota's seasons in relationship to its revolution around the sun. Each group will write a paragraph explaining their reasoning (prediction)

4,566 earth seasons stock photos are available royalty-free. Farming Plowed Earth Seasons. Farming fields plowed with groove contours in the rich earth soil ready to plant new crops. One fallen autumn maple leaf on the background of the earth covered with a variety of other leaves. Seasons, nostalgic Seasons - 8TH GRADE SCIENCE. The combination of the revolution around the Sun and the fixed angle of the Earth's axis result in the seasonal changes: temperature changes, angle of sunlight, and the number of daylight hours. The Earth's axis remains pointed in the same direction at all times as the Earth revolves around the Sun Sun Earth Seasons: Build A Model Kit. Educational Classroom Kits and Activities. Each student paints a model of the Earth. Using simple math they then determine how far from the equator to make the Tropic of Cancer and Capicorn. They also determine the angle of the tilt of the Earth and the distance from true North to place the poles Step 3: Using the Spaghetti Model of the Seasons. To show the daily rotation of the earth, rotate the ball on its axis. To show the seasons, move the earth from one side of the sun, around to the opposite side. Make sure to keep the axis pointing in the same direction as you make the orbit, and keep the same distance from the sun A 3D model of Earth, our home planet. NASA. NASA Science Solar System Exploration. Skip Navigation. menu close modal Resources Earth 3D Model Source: NASA Visualization Technology Applications and Development (VTAD) Published: April 22, 2019 A 3D model of Earth, our home planet. Downloads. glTF File (3D Model

Seasons on Earth LESSON OBJECTIVES FOR THIS LESSON Model Earth's orbit. Identify Polaris as the current North Star. Compare sunrise and sunset times at different latitudes throughout the year. Relate changes in the apparent path of the Sun and the length of daylight to Earth's orbit on its tilted axis. Create a working definition of th Using a flashlight as the Sun and a foam ball as Earth, you can model how solar energy spreads out over Earth's surface at different times during the year. This will help you draw conclusions about Earth's seasons. Try It. 1. Read and complete a lab safety form. 2. Insert a wooden skewer through the center of a foam ball The earth is on a tilt of 23.5 degrees. When it revolves around the sun the earth is exposed to the sun at different degrees at different months of the year. Because of this phenomenon, we get seasons on the earth. The earth and all of its circulation patterns, energy balances, and motions of the atmosphere are all very complex seasons: a tilted earth orbits the sun An inclined Earth orbits the sun showing the origin of the seasons (winter, spring, autumn (fall), summer) with solstice and equinox. Seasons arise because the Earth is tilted on its axis (yellow pole through Earth) and this tilt is maintained throughout the Earth's orbit (shown in purple) around the Sun

Seasons 3D - interactive simulations - eduMedi

MS-ESS1-1. Develop and use a model of the Earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons. [Clarification Statement: Examples of models can be physical, graphical, or conceptual.] Unit(s) How can we explain the seasons? Task(s) Assessment(s) MS-ESS1-2. Develop and use a model to describe the role of gravity in the motions within. The Earth travels around the sun one full time per year. During this year, the seasons change depending on the amount of sunlight reaching the surface and the Earth's tilt as it revolves around the sun. Summer occurs when a hemisphere is tilted towards the sun, and winter occurs when a hemisphere is tilted away from the sun

The Four Seasons Using a Tilting Planet Model - YouTub

What Causes the Seasons? NASA Space Place - NASA Science

They model all or part of Earth's surface. They are spherical and three-dimensional. They represent surface features using symbols. They provide detailed information about towns or cities. bcd. Which phrase describes the equator? Check all that apply. is a line of latitud Instead, we find that the Earth's tilt controls the intensity of irradiation and the seasons. Keep in mind that the Earth's axis points to the same position in space (toward the North Star, Polaris). As the Earth travels in a near spherical (a very small eccentricity into an ellipse) orbit around the sun, the northern hemisphere can be tilted. A. Explaining the Earth's seasons with a heliocentric model Question 5.37 Why is it hot in the summer and cold in the winter? An additional aspect of this heliocentric model is to envision the Earth as tilted on its axis. The tilt of the Earth's axis of rotation has profound implications for variations in climate as the Earth revolves in. This model of the solar system can explain eclipses of the sun and the moon. Earth's spin axis is fixed in direction over the short-term but tilted relative to its orbit around the sun. The seasons are a result of that tilt and are caused by the differential intensity of sunlight on different areas of Earth across the year

The seasons result from the Earth's axis of rotation being tilted with respect to its orbital plane by an angle of approximately 23.4 degrees. ( This tilt is also known as obliquity of the ecliptic.). Regardless of the time of year, the northern and southern hemispheres always experience opposite seasons. This is because during summer or winter, one part of the planet is more directly. the tilt of Earth's axis and Earth's spherical shape play a role in Earth's changing seasons. As Earth travels around the sun, the area of sunlight in each hemisphere changes. At an equinox (EE•kwuh•nahks), sunlight shines equally on the Northern and Southern Hemispheres. Half of each hemisphere is lit, and half is in darkness The app Earth Space Lab is designed especially for teaching the topic of the Earth as a planet at grammar or elementary schools (geography, physics). The application consists of individual learning objects that can be used independently. Some learning objects are external - they are only referred to. This app was created by Václav Černík. Earth's axial tilt causes seasons. Tilt Causes Seasons. Because Earth orbits the Sun at an angle, the solar energy reaching different parts of our planet is not constant, but varies during the course of a year.. This is the reason we have different seasons and why the seasons are opposite in the Northern and Southern Hemispheres.. Opposite Seasons Where on Earth would you have to live to experience seasons like those of a typical Uranian? Part D: The Seasons on Planet _____: You discover a new extra-solar planet! This planet orbits its star at about 1AU (the distance from the Earth to the Sun), and is about the same mass and size as the Earth. It is a great candidate for looking for life

Earth Models in 6th Grade | Brook Hill School | Tyler, TX


answer choices. The distance between Earth and the Sun is increasing. The tilt of Earth on its axis is constantly changing. Earth is revolving around the Sun. Earth is rotating on its axis. Tags: Question 12. SURVEY. 30 seconds Most of the Earth experience four seasons. What is the main cause for the seasons on Earth? answer choices A student uses paper and fasteners to create a model of Earth, the sun and the moon. The sun and Earth are attached to the paper background, while the moon is free to revolve around Earth. when the moon moves into Earth's shadow.

Saturn's equator is tilted relative to its orbit by 27 degrees, very similar to the 23-degree tilt of the Earth. As Saturn moves along its orbit, first one hemisphere, then the other is tilted towards the Sun. This cyclical change causes seasons on Saturn, just as the changing orientation of Earth's tilt causes seasons on our planet In this MODEL science station, students read about how the Earth's tilt, rotation, and revolution cause the seasons on Earth to change. They will use models to conduct an investigation about this. Students answer questions about the model within their science journals, on the included worksheets, or in the Google Form™️ EVALUATE: When students are finished creating their clay-and-orange model of the earth's movement around the sun, have each student get out their drawing of a season that they worked on before. On the back, have each student write one or two more sentences about what makes seasons and why the weather feels the way it does during the season. The seasons are caused by the tilt of the Earth's rotation axis relative to the Earth's orbital plane as it travels around the Sun. If the Northern Hemisphere is tilted towards the Sun at a particular point during the Earth's orbit, it receives more direct sunlight • What causes seasons? Objectives: • Students will be able to understand the relationship between the Earth's orbit, its axis, and the Sun. • Students will be able to determine what causes seasons, daytime, and nighttime. Standards: • MS-ESS1-1 Develop and use a model of the Earth-Sun-Moon system to describe the cycli

YouTube user Wolfie6020, a globe-Earth proponent, demonstrated this by building a scale model of the flat-Earth-style sun as it would be seen from Sydney on a vernal equinox. As shown in his video. This model of the solar system can explain eclipses of the sun and the moon. Earth's spin axis is fixed in direction over the short-term but tilted relative to its orbit around the sun. The seasons are a result of that tilt and are caused by the differential intensity of sunlight on different areas of Earth across the year. (MS-ESS1-1 For Students 4th - 8th. In this earth's seasons worksheet, students answer fill in the blank questions after seeing Bill Nye's video. Topics include the rotation of the earth around the sun, the tilt of the earth, the time zones and sunlight. Get Free Access See Review Nov 3, 2014 - Construct a 3-D model of the sun, Earth and moon that accurately depicts the relation between the orbiting bodies in space for a school assignment or a decoration for a child's room. It can be built using cardboard and other items you have around your classroom or home, with minimal setup

Diagram the relationship of the earth and sun that accounts for the seasons 0607.6.6 Links verified 10/31/2016. Animation of Earth's yearly revolution around the sun - In order to illustrate how much sunlight different parts of Earth receive through the year, this model shows our planet much larger and closer to the sun than it actually is.; Do Shadows Change With The Seasons? - a worksheet to. Start studying 4.07: Earth Movement and Seasons. Learn vocabulary, terms, and more with flashcards, games, and other study tools The picture below illustrates how the sun moves and also how seasons work on a Flat Earth. There are several potential theories for the apparent effect of the Sun's rising and setting. When the sun is further away from the North Pole, it's winter in the northern hemiplane (or hemisphere) and summer in the south

Earth's Tilt and the Seasons - for Planetarium Show - YouTub

Earth's tilt as itorbits the Sun. Earth tilts to one side on its axis. This is why the northern and southern hemispheres take turns leaning toward the Sun during Earth's orbit. This tilt causes the seasons. Equator. The equator is an imaginary line running around Earth's middle. The half of Earth above the equator is called the northern. Seasons on Earth LESSON OBJECTIVES FOR THIS LESSON Model Earth's orbit. Identify Polaris as the current North Star. Compare sunrise and sunset times at different latitudes throughout the year. Relate changes in the apparent path of the Sun and the length of daylight to Earth's orbit on its tilted axis. Create a working definition of th Earth affects the seasons throughout the year, involving skills of construction and bridging to the real situation. Earth on Earth: using a globe in the sunshine to show how day/night and the seasons work A model Earth in the real sunlight brings the abstract nature of day/night and the seasons into a more concrete understanding Earth-Sun Relations and Seasons. I Earth-Sun Relations: Figure 1 below shows that the orbit of the Earth about the sun is not circular. The path is elongated or ellipitcal. This means that the distance from the Earth to the sun varies through the year. Two special events are depicted in the diagram. Aphelion (July 4) is when the Earth is as far.

How to Make a Model of Seasons - Things Required and Step

The solar seasons — which change every six to 18 months from bursty to quiet, and vice versa — have been realistically simulated for the first time in a computer model of the Sun's shear layer beneath the turbulent outer shell, an advance that promises the ability to predict these seasonal fluctuations nearly a year in advance This is in direct relation to what direction the Earth is tilted in. When the Earth is tilted in the direction of the sun we have warmer seasons and longer days. Approved by eNotes Editorial Tea Tell the pupils that we believe that the Earth orbits the Sun once a year. Secondly, we know that the Earth spins on an axis like a top. However the axis is not at right angles to the plane in which the Earth travels around the Sun, and this causes the seasons. The following model demonstrates the effect The revolution of the Earth around the Sun (365.25 days), because of the inclination of its axis (not shown here), explains the changing seasons. The fact that the rotation of the Moon on its own axis and its revolution around the Earth both require the same amount of time (29.5 days) explains why the Moon always shows its same side to the Earth

This activity demonstrates the model of the seasons we have been developing- that of an Earth whose axis of rotation is tilted by 23.°5 degrees with respect to the plane of its orbit around the Sun. By aligning the Earth's axis with a stationary point in space (the location of Polaris), it is easy to demonstrate the tilt of the Earth's axis. Seasons Tilt Of Earth. Displaying top 8 worksheets found for - Seasons Tilt Of Earth. Some of the worksheets for this concept are Earths tilt and seasons work, Primary work seasons, Name seasonal tilt as the earth spins on its axis which, The seasons, 1 tilt of the earth, Seasons, First grade seasons, Modeling the seasons students model the seasons with their

Exploring the reasons for the seasons using Google Earth, 3D models, and plots Declan G. De Paora, Mladen M. Dordevicb, Paul Karabinosc, Stephen Burgind, Filis Cobae and Steven J. Whitmeyerb aDepartments of Physics and Ocean, Earth, and Atmospheric Sciences, Old Dominion University, Norfolk, VA, USA; bDepartment of Geology and Environmental Science, James Madison University, Harrisonburg, VA, USA represents Earth revolving around the Sun. Letters A, B, C, and D represent Earth's location in its orbit on the first day of the four seasons. NP represents the North Pole. If the tilt of Earth's axis were decreased from 23.5° to 15°, New York State's winters would become (1) warmer, and summers would become coole

The seasons occur because Earth's axis is tilted. The part of Earth tilted toward the sun has summer. This half of Earth receives more direct sunlight, which causes it to be warmer. The days are longer during summer, too. In the image, it is summer in the northern half of Earth. Notice the sun's rays hitting that part of Earth directly December 4, 2017 | The solar seasons — which change every six to 18 months from bursty to quiet, and vice versa — have been realistically simulated for the first time in a computer model of the Sun's shear layer beneath the turbulent outer shell, an advance that promises the ability to predict these seasonal fluctuations nearly a year in advance Seasons are divisions of the year, defined by changes in weather and the position of Earth in its orbit around the Sun. The seasons occur because of the tilt in the Earth's axis with respect to the plane of Earth's orbit. Spring, summer, autumn and winter are four well recognized seasons

'Zetetic Flat Earth Lies You Cannot Have 4 Corners on a Circle Note: This is not a flat earth debunking page, the earth is most definitely a flat and stationary plane. This page is about the current flat earth movement that I believe does not represent the real Biblical flat earth model.. Do not be so quick to just blindly jump on the Zetetic flat earth model without questioning any of. Arctic Seasons Model Build a Sun-Earth model to explore changing seasons in the Arctic! Materials Needed: Arctic Seasons Model printable, scissors, metal brads, pencil, glue. Instructions: Step 1: Prepare your pieces. Cut out each piece along the dotted lines (make sure not to cut the solid lines!). Use a pencil tip to make small holes on th SW have The Reasons for Seasons by Gail Gibbons read aloud to them as a whole group to continue activation of prior knowledge and to transition to direct instruction. SW build a model of the Earth and participate in revolving the Earth around the sun to demonstrate orbit, axial tilt and rotation Seasons. 1. Earth's change in a yearly cycle because of the tilt of its rotation axis and Earth's around the Sun. 2. The end of Earth's that is tilted toward the Sun receives more energy from the Sun. a. The part of Earth tilted toward the Sun experiences seasons of spring and MS-ESS1-1: Earth-Sun-Moon System Develop and use a model of the earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons . Clarification Statement: Examples of models can be physical, graphical, or conceptual

NASA - NASA Center for Climate Simulation: Data SupportingAs the Earth spins, the angle at which the Sun’s rays

Developing and Using Models: Student create two models, one to illustrate the Earth's rotation to show day and night, and another to show how and why the Sun appears to move. The Part 1- The Passing of Time...Day/Night, Season, and Years Relationship lesson will correlate to other interdisciplinary areas Science: Earth and Space: 6.2.1 Describe and model how the position, size and relative motions of the earth, moon, and sun cause day and night, solar and lunar eclipses and phases of the moon create extremely accurate models of Earth's surface. These models, commonly called maps, help people navigate and find locations. Scientists use maps to study changes in Earth's four spheres. U i t d t t h l Why It Matters 54 Chapter 3 1 Finding Locations on Earth Latitude Longitude Great Circles Finding Direction 2 Mapping Earth's.

11.2: The Tilted Axis Model of the Seasons - Physics ..

Use the Sun, Earth, Moon Systems Model to teach a wide range of topics including: night and day, seasons, the Sun's movement across the sky, the amount of daylight, shadows, phases of the Moon, solar and lunar eclipses, and more. This model provides 2 sizes of Earth and Moon to allow for greater accuracy in demonstrations (instructions included. Small-group instruction. Background Information. One common misconception that students have about seasons is that seasons are due to how close or far the Earth is to the sun. The changing position of the Earth's tilt is the reason for the differences in temperature and length of daylight that distinguish the seasons Seasons occur because the earth's axis is tilted away from the sun by 23.5 degrees. As the earth revolves around the sun, the vertical perpendicular ray of the sun appears to move up and down from 23.5 degrees north latitude (Tropic of Cancer) on June 21 through 0 degrees latitude (Equator) on September 22 and March 21 to 23.5 degrees south. Seasons occur because Earth is tilted on its axis relative to the orbital plane, the invisible, flat disc where most objects in the solar system orbit the sun. Earth's axis is an invisible line that runs through its center, from pole to pole. Earth rotates around its axis Develop a model to describe the cycling of Earth's materials and the flow of energy that drives this process. [Clarification Statement: Emphasis is on the processes of melting, crystallization, weathering, deformation, and sedimentation, which act together to form minerals and rocks through the cycling of Earth's materials.

Earth's Season

What causes seasons on earth 1. What Causes Seasons on Earth? By Nick Southern 2. Michigan Standards• E.ES.M.6 Seasons- Seasons result from annual variations in the intensity of sunlight and length of day due to the tilt of the axis of the Earth relative to the plane of its yearly orbit around the sun The Earth's axis is tilted at an angle, which means that different parts of the Earth are tilted to face the Sun at different times during the year, creating the seasons. In normal years, we ignore the extra quarter day and have a year that is 365 days long The idea of a spherical Earth appeared in Greek philosophy with Pythagoras (6th century BC), although most still retained the flat Earth model. Aristotle developed the globe earth theory further around 330 BC. Gradually the Globe Earth theory began to spread from then on

MS-ESS1-1 Science BetterLesso

MODELING EARTHS TILT - Edge Type several paragraphs describing how your models showed the effect of the rotation of Earth on day and night and the effect of Earth's tilt on seasons and regional climates Tilt Produces Seasons At present-day, the axis is tilted at an angle of 23.5°, referred to as Earth's obliquity, or tilt. The Sun moves back and forth through the year between 23.5°N and 23.5°S. Earth's 23.5°tilt also defines the 66.5°latitude of the Artic and Antarctic circles

ESS1.B: Earth and the Solar System • The model of the solar system can explain eclipses of the sun and the moon. Earth's spin axis is fixed in direction over the short-term but tilted relative to its orbit around the sun. The seasons are a result of that tilt and are caused by the differential intensity of sunlight on different areas of. Seasons Worksheet #2. For Students 6th - 9th. A tilted Earth is shown in relation to the rays of light from the sun. Earth science superstars determine latitude, month, and time of day. They compare number of daylight hours for different points on Earth

Earth is titled on its axis by 23.5°, possibly caused by an impact billions of years ago, which[+] determines the seasons—and possibly the oxygen levels in the atmosphere. getty The most. The Earth's orbit makes a circle around the sun. At the same time the Earth orbits around the sun, it also spins. In science, we call that rotating on its axis. Since the Earth orbits the sun AND rotates on its axis at the same time we experience seasons, day and night, and changing shadows throughout the day Google Earth Pro on desktop is free for users with advanced feature needs. Import and export GIS data, and go back in time with historical imagery. Available on PC, Mac, or Linux. By installing.

Modeling the Season

The model is an excellent way to illustrate Earth's rotation and revolutions around the sun, the seasons of the year, and the orbit/phases of our moon. It's particularly dramatic in a dark room. A four year-old can easily operate this (but I recommend adult supervision) Create a simple model of the Earth-Sun relationship that shows the following: Earth's path around the Sun; Earth's Rotation; Earth's tilt; Demonstrate how sunlight hits the Earth differently throughout the year. Label where in the Earth's revolution the different seasons occur. Your model should be 3-dimensional with movable parts and labels The model is then is left to run on its own and simulate the natural behavior of the Earth's atmosphere. This Nature Run simulates May 2005 to June 2007. While Goddard scientists have been tweaking a beta version of the Nature Run internally for several years, they are now releasing this updated, improved version to the scientific. Yes No. Intro Earth and the Sun Earth's orbit The hemispheres Latitude. Seasons. 90° North Equator 0° 90° South 60° 30° 60° 30°. The latitude of a location is. an angular measure, in degrees, north or south of. the equator. The equator has a latitude of 0. The South Pole has a latitude of 90 south

Effects of the Earth's Rotation & Revolution - VideoEarth's orbit around the Sun, diagram - Stock Image C010Sun & SeasonsPond water - microbewikiPPT - Geocentric Model of the Universe PowerPoint