- 1. An orbit is a ____________.
A) island
B) path
C) street
D) organ
- 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) Orbit
B) Sun
C) Planet
D) Moon
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) rock
B) cloud
C) air
D) lunar
- 5. Earth is the __________ planet from the sun.
A) second
B) fifth
C) third
D) fourth
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) star
B) moon
C) satelite
D) planet
- 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) microscope
C) microwave
D) telescope
- 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 sun
B) the ocean
C) the moon
D) the planets
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