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Changing Seasons MatchCardThe Changing Seasons MatchCard gives your students hands-on activities for the four different seasons in the different hemispheres. 
Learn About The Four SeasonsObjective: Describe how the weather changes in the two hemispheres with the different seasons.MatchCard: See the free download below. Students match the four seasons to the diagram of the earth and sun. They need to differentiate the seasons in the northern and southern hemispheres. Explore the Changing SeasonsThe Earth's Revolution and RotationThis activity is best done with a globe to represent the earth and a strong portable light source to represent the sun.Review that the earth rotates on its own axis, and revolves around the sun. Use the globe and light source and have the students explain how the earth's rotation causes day and night. Review that the earth revolves around the sun one time in 365 days or one year. The Earth's Tilt on its AxisIf the earth was sitting straight up and down there would be no changing seasons. Imagine a pencil going from the north pole through the earth and coming out of the south pole. A straight earth would have a straight pencil.But the earth is actually tilted at a 23.5 degree angle. Demonstrate that tilt to the student. When the North Pole is closer to the sun, the people in the northern hemisphere have summer and the people in the southern hemisphere have winter. As the earth revolves around the sun, the angle of tilt remains the same. The top of the pencil would be pointing at the same stars - or in your case at the same side of the ceiling. As you move to the opposite side of the sun with your globe, students can see how the south pole and southern hemisphere get more sun when the northern hemisphere has the cold winter months. Younger students may need to see this demonstration several times before it makes sense to them. Look at the Changing Seasons Matchcard. The students can explain how the summer and winter months are opposite from looking at the diagram. How Big is 23.5 Degrees?Just how big is that tilt? Use a paper plate or a paper circle (use a regular plate as a stencil) to show the earth's tilt.Fold the paper in half and cut out the half. That is a one hundred eighty degree angle. Fold the paper in half again to make a quarter of a pie. This is a 45 degree angle. If you fold it in half one more time (one eighth of a circle) you would have 22.5 degrees. The 23.5 degree tilt of the earth's axis is just a little big more than this. Have students use their pencils to estimate a 45 degree tilt and a 22.5 degree tilt. Solstice and EquinoxExplain that there are two soltices a year. At that point the poles are tilting the furthest or the closest to the sun.The date of the soltices change very slightly every year.
Using the Changing Seasons Matchcard
This is the first Matchcard of the Weather Unit Study.
You can DOWNLOAD the
Changing Seasons Matchcard HERE.
More information on this interactive unit study is below. MatchCard ScienceThe activities and illustration above are from MatchCard Science, a homeschool science unit study. For the complete Weather Unit Study follow this link. This unit study provides:
Science NotebookIf you are just using this single project, and are not in need of a full unit study, you might want your student to complete a science notebook entry for this project.Return from the Changing Seasons Matchcard to the MatchCard Science Main Page. |
Homeschool CurriculumRelax and watch their writing take off!Who said grammar had to be boring?A great strategy for poor spellersA mother's plea, A son's promise
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