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