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Level S Our Solar System Quick Check Name ___________________________________ Date _____________ instructions: Read each question carefully and choose the best answer. 1. O n Earth, which of the following is caused by the Sun? 4. What is atmosphere? a the pull from the Sun b the group of planets a seasons b climate c wind d all of the above c the gases that make 2. T he length of a day on each planet _________. d the gases surrounding a on a planet orbiting the Sun up some planets planet, moon, or sun a is twenty-four hours b depends on how fast 5. If the Sun were the size of a ball a man could stand in, how big would Earth be? c depends on the size a the size of a grape d varies based on the size b the size of a lemon c the size of a baseball d the size of a basketball the planet spins of the planet of the planet’s orbit 3. In the Solar System, what do planets, comets, and asteroids have in common? 6. W hat detail supports the main idea that Mars is the most Earth-like planet? a They are made of rock. b They orbit the Sun. a Both planets orbit the Sun. c They are made of gas. b Both planets have similar d They orbit the Moon. c Both planets are made d All of the above seasons. of rock. Quick Check continued on following page © Learning A–Z All rights reserved. www.readinga-z.com Level S Our Solar System Quick Check (continued) Name ___________________________________ Date _____________ 7. What is an orbit? 10.What are fossil fuels? aa planet outside our a dead plants that have turned b the large group of stars b old animal bones left in stone c the fuel the Sun burns d all of the above solar system our Sun is in c an object from space d the path an object travels that lands on Earth around another object 8. W hat detail from the text makes Saturn like Neptune and Uranus? a It is bright blue. b It has a system of rings c It is the biggest, brightest d It is not very dense and into gas, oil, coal 11.Extended Response: Why is Jupiter like a mini-solar system? 12.Extended Response: Explain why the Sun is or is not the most important object in the Solar System. around it. object in the sky. spins very slowly. 9. W hat would happen if Earth lost its atmosphere? a All creatures would die. b The Sun’s rays would c More meteors would d All of the above hurt humans. hit Earth. © Learning A–Z All rights reserved. www.readinga-z.com