- 1. An orbit is a ____________.
A) organ
B) street
C) path
D) island
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) five
B) nine
C) ten
D) seven
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Orbit
B) Moon
C) Sun
D) Planet
- 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) second
B) fifth
C) fourth
D) third
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) star
B) satelite
C) planet
D) moon
- 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) telegraph
C) microscope
D) telescope
- 9. A curved piece of glass is called a _____________.
A) ball
B) lens
C) phone
D) sphere
- 10. Which of the following is not a part of the solar system?
A) the moon
B) the planets
C) the sun
D) the ocean
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