ESS1-3 8th Grade Space Exam Assessment

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1. What is the correct order of the planets starting with the Sun?

• Mercury, Earth, Venus, Mars, Jupiter, Uranus, Saturn, Neptune
• Venus, Earth, Mercury, Mars, Jupiter, Uranus, Saturn, Neptune
• Mercury, Venus, Jupiter, Mars, Earth, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

2. What is found in a galaxy?

• Stars, planets, moons, gas, and dust
• Planets and moons only
• Planets, but not stars
• A single star with several planets orbiting it

3. How are the four outer planets different than the four inner planets?

• They are smaller
• They all have moons
• They take less time to orbit the Sun
• They have no atmosphere

4. Which statement is true about comets and/or asteroids?

• An asteroid has a tail, and a comet does not
• A comet is made of rock and iron and it orbits the Sun
• A comet can have its own moons
• A comet is a chunk of frozen gas, rock, ice, and dust

5. How are the inner planets similar?

• They are a small size and have solid cores
• They have a long revolution
• They are large in size
• They are made mostly of gas

6. What does AU stand for?

• Amplify Uranus
• American Unique
• Astronomical Units
• Asteroids Undetected

7. Only the gas planets have molecular hydrogen in their atmosphere.

• true
• false

8. Stars are formed in

• Planetary nebulae
• Stellar nebulae
• Black holes
• Asteroid belts

9. Massive stars will eventually

• Quietly turn into a white dwarf
• Slowly turn into a brown dwarf
• Explode in a supernova
• Break into a million baby stars