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