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NAME__________________________DATE_____________ Earth Space Science Review Sheet VOCABULARY TERM DEFINITION # DEFINITION CHOICES Elliptical 1. The path an object takes around another object. Rotation 2. A sphere of glowing gases that gives off heat and light. Revolve 3. The thin layer of gas that surrounds a planet or moon. Planet 4. To move in an orbit around another object. It takes 365 days for the earth to do this around the sun. Orbit 5. To convert a resource into something new, so it can be used again. Star 6. An imaginary line that runs through the North Pole and South Pole of Earth. This is what the Earth spins on. Sun Atmosphere Axis Moon 7. The name for the closest star to Earth. It is the center of our solar system. 8. This is the shape of Earth’s orbit. It is round, but not a perfect circle. 9. A large object that moves around a star. There are 9 of these in our solar system. 10. To use a resource again. Reduce 11. The act of turning on an axis. It takes the earth 24 hours to do this. Reuse 12. A large rocky object that revolves around a planet. Recycle 13. To use less of a resource. Describe why there is night and day on Earth. Word Bank: Rotate (rotation) Axis Sun 24 hours _______________________________________________________ _______________________________________________________ _______________________________________________________ ____________________________________________________________________ _______ ____________________________________________________________________ _______ Describe the movement of the moon and it’s relationship to Earth. Word Bank: Revolve 1 month gravity _______________________________________________________ _______________________________________________________ _______________________________________________________ ____________________________________________________________________ _______ ____________________________________________________________________ _______ Explain Earth’s place in space. Word Bank: Sun Planets Solar System Orbit _______________________________________________________ _______________________________________________________ _______________________________________________________ ____________________________________________________________________ _______ ____________________________________________________________________ _______ ____________________________________________________________________ _______ Why does Earth have seasons? Word Bank: Orbit Titled axis North Pole South Pole _______________________________________________________ _______________________________________________________ _______________________________________________________ ____________________________________________________________________ _______ ____________________________________________________________________ _______ ____________________________________________________________________ _______ List 3 facts about the Earth’s axis. 1. _______________________________________________________________ ______ 2. _______________________________________________________________ ______ 3. _______________________________________________________________ ______ Show your understading of Earth’s movement in space by using the words in the word bank to make each sentence below true. WORD BANK Revolve Rotate axis 24 hours 365 days orbit It takes ________________ for Earth to __________________ around the Sun on its _______________. It takes ________________ for Earth to __________________ on its _______________. Explain why the stars at night appear so small. ____________________________________________________________________ _______ ____________________________________________________________________ _______ Use the words in the word bank below to show your understanding of renewable and nonrenewable resources on Earth. RENEWABLE NONRENEWABLE * resources used quicker than it can be replaced. * resources that can be produced or replaced easily. These resources will not run out. Trees Wind Plants Natural gas Hydro power (water) Geothermal (heat from ground) Oil Solar energy Coal Air Soil Animals Write the definition for each of these words: REDUCE, REUSE, and RECYCLE. Why is it important for humans to do the 3 R’s? ____________________________________________________________________ _______ ____________________________________________________________________ _______ ____________________________________________________________________ _______ ____________________________________________________________________ _______ ____________________________________________________________________ _______ ____________________________________________________________________ _______