- 1. An orbit is a ____________.
A) street
B) island
C) organ
D) path
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) five
B) nine
C) seven
D) ten
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Moon
B) Planet
C) Orbit
D) Sun
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) lunar
B) rock
C) air
D) cloud
- 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) moon
B) planet
C) star
D) satelite
- 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) lens
B) ball
C) sphere
D) phone
- 10. Which of the following is not a part of the solar system?
A) the sun
B) the moon
C) the planets
D) the ocean
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