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