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Solar System Review

Test Description: Review questions from the Virginia Science Grade 6 Glencoe text

Instructions: Answer all questions to get your test result.

1) What happened to Mercury that caused the formation of large cliffs as seen in the diagram below?

AIt shrank BIt become warmer CIt melted DIt expanded

2) Which is the fifth planet from the Sun?

APluto BJupiter CVenus DMercury

3) Where is the asteroid belt found?

Abetween Earth and Mars Bbetween Mercury and Venus Cbetween Uranus and Neptune Dbetween Mars and Jupiter

4) Which scientist discovered the shape of the planets' orbits?

A Nicholas Copernicus BJohannes Kepler CAlbert Einstein DGalileo Galilei

5) What is a good estimate of the distance from the top of Mars's mantle to the bottom?

A6,794 km B1,348 km C23,122 km D12,583 km

6) When a shooting star appears in the sky, it actually is which of the following?

Ameteor Basteroid Ccomet Dmeteorite

7) One of the main differences between the outer and inner planets is __________.

Athe outer planets are gas planets except Neptune Bthe outer planets have rings, and the inner planets don't Cthe inner planets are all terrestrial (mostly rock) Dthe inner planets are much bigger than the outer planets

8) What do scientists think is the cause of Uranus's tilted orbit?

AIt's a result of its distance from the Sun. BIt collided with another object in space. CThe temperatures out in space caused the planet to tilt. DIt was created that way.

9) The Great Red Spot on Jupiter is __________.

Aa volcano Ban ocean of liquid hydrogen Ca mountain range Da tremendous storm

10) What is the difference between meteors and comets?

AComets are made of frozen ice and rock and meteors are made of rock. Ball of the above CMost comets are found outside the solar system, and meteors are found within. DMeteors can burn up as they enter a planet's atmosphere and comets rarely enter a planet's atmosphere.

*select an answer for all questions

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