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