- 1. An orbit is a ____________.
A) island
B) organ
C) street
D) path
- 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) Sun
B) Orbit
C) Planet
D) Moon
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) air
B) lunar
C) rock
D) cloud
- 5. Earth is the __________ planet from the sun.
A) fourth
B) fifth
C) third
D) second
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) moon
B) planet
C) satelite
D) star
- 7. Which planets are the first and eight planet?
A) Earth and Pluto
B) Mars and Venus
C) Saturn and Jupiter
D) Mercury and Neptune
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) telescope
B) microwave
C) telegraph
D) microscope
- 9. A curved piece of glass is called a _____________.
A) sphere
B) phone
C) lens
D) ball
- 10. Which of the following is not a part of the solar system?
A) the moon
B) the sun
C) the ocean
D) the planets
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