- 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) five
B) nine
C) seven
D) ten
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Planet
B) Orbit
C) Moon
D) Sun
- 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) second
C) fourth
D) fifth
- 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) 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) telegraph
B) microscope
C) telescope
D) microwave
- 9. A curved piece of glass is called a _____________.
A) phone
B) lens
C) sphere
D) ball
- 10. Which of the following is not a part of the solar system?
A) the sun
B) the planets
C) the ocean
D) the moon
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