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