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