- 1. An orbit is a ____________.
A) organ
B) street
C) island
D) path
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) ten
B) seven
C) nine
D) five
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Sun
B) Planet
C) Orbit
D) Moon
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) cloud
B) air
C) rock
D) lunar
- 5. Earth is the __________ planet from the sun.
A) third
B) fifth
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) Mercury and Neptune
B) Mars and Venus
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) telescope
B) microwave
C) microscope
D) telegraph
- 9. A curved piece of glass is called a _____________.
A) ball
B) lens
C) sphere
D) phone
- 10. Which of the following is not a part of the solar system?
A) the planets
B) the ocean
C) the sun
D) the moon
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