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