- 1. An orbit is a ____________.
A) path
B) street
C) island
D) organ
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) nine
B) seven
C) five
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) air
C) lunar
D) rock
- 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) satelite
C) moon
D) planet
- 7. Which planets are the first and eight planet?
A) Saturn and Jupiter
B) Mars and Venus
C) Mercury and Neptune
D) Earth and Pluto
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) telescope
B) microscope
C) telegraph
D) microwave
- 9. A curved piece of glass is called a _____________.
A) phone
B) sphere
C) ball
D) lens
- 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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