- 1. An orbit is a ____________.
A) organ
B) island
C) path
D) street
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) ten
B) nine
C) seven
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) lunar
B) air
C) cloud
D) rock
- 5. Earth is the __________ planet from the sun.
A) fifth
B) third
C) fourth
D) second
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) star
B) planet
C) moon
D) satelite
- 7. Which planets are the first and eight planet?
A) Earth and Pluto
B) Saturn and Jupiter
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) microwave
B) microscope
C) telegraph
D) telescope
- 9. A curved piece of glass is called a _____________.
A) sphere
B) ball
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 sun
D) the ocean
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