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