- 1. An orbit is a ____________.
A) island
B) path
C) organ
D) street
- 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) Sun
B) Planet
C) Moon
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) second
D) fifth
- 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) Saturn and Jupiter
B) Earth and Pluto
C) Mars and Venus
D) Mercury and Neptune
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) telegraph
B) microwave
C) telescope
D) microscope
- 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 planets
B) the moon
C) the ocean
D) the sun
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