- 1. An orbit is a ____________.
A) island
B) path
C) street
D) organ
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) five
B) nine
C) ten
D) seven
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Orbit
B) Moon
C) Sun
D) Planet
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) air
B) lunar
C) cloud
D) rock
- 5. Earth is the __________ planet from the sun.
A) third
B) fourth
C) fifth
D) second
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) moon
B) planet
C) satelite
D) star
- 7. Which planets are the first and eight planet?
A) Mars and Venus
B) Saturn and Jupiter
C) Earth and Pluto
D) Mercury and Neptune
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) microwave
B) microscope
C) telegraph
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 planets
B) the moon
C) the sun
D) the ocean
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