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