- 1. An orbit is a ____________.
A) organ B) street C) path D) island
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) nine B) seven C) ten D) five
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Orbit B) Sun C) Planet D) Moon
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) cloud B) air C) lunar D) rock
- 5. Earth is the __________ planet from the sun.
A) second B) third C) fourth D) fifth
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) moon B) planet C) star D) satelite
- 7. Which planets are the first and eight planet?
A) Earth and Pluto B) Mars and Venus C) Saturn and Jupiter D) Mercury and Neptune
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) telescope B) microscope C) microwave D) telegraph
- 9. A curved piece of glass is called a _____________.
A) ball B) lens C) phone D) sphere
- 10. Which of the following is not a part of the solar system?
A) the sun B) the ocean C) the planets D) the moon
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