- 1. An orbit is a ____________.
A) island
B) organ
C) path
D) street
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) ten
B) nine
C) seven
D) five
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Moon
B) Sun
C) Planet
D) Orbit
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) rock
B) air
C) lunar
D) cloud
- 5. Earth is the __________ planet from the sun.
A) third
B) fifth
C) fourth
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) Saturn and Jupiter
B) Mars and Venus
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) microwave
B) telescope
C) telegraph
D) microscope
- 9. A curved piece of glass is called a _____________.
A) sphere
B) ball
C) phone
D) lens
- 10. Which of the following is not a part of the solar system?
A) the ocean
B) the sun
C) the moon
D) the planets
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