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Objects in the Sky
Test 3 (Lessons 8, 9, 10, 11)
Term | Definition |
---|---|
asteroid | metallic, rocky irregularly shaped bodies without atmosphere that orbit the sun. |
dwarf planet | A celestial body that is round and orbits the sun but does not clear the path of its atmosphere. |
planet | A body that is round and orbits the sun. It clears the path of its orbit. |
composition of planets | The elements that make up planets such as rock, minerals, and gases. |
atmosphere of planets | The mass of air and gases that surround a planet. |
solar system | The sun and the planets, dwarf planets, moons, asteroids, and comets that revolve around it. |
What separates the inner and outer planets | The asteroid belt |
List the outer planets | Jupiter, Saturn, Uranus, and Neptune. |
List the inner planets | Mercury, Venus, Earth, and Mars |
What are 2 main reasons for a planet's temperature? | Its atmosphere and how close it is to the sun. |