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