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