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