- 1. An orbit is a ____________.
A) street
B) path
C) organ
D) island
- 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) Orbit
B) Moon
C) Sun
D) Planet
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) cloud
B) rock
C) air
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) star
B) satelite
C) planet
D) moon
- 7. Which planets are the first and eight planet?
A) Earth and Pluto
B) Mercury and Neptune
C) Mars and Venus
D) Saturn and Jupiter
- 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) sphere
B) lens
C) ball
D) phone
- 10. Which of the following is not a part of the solar system?
A) the sun
B) the planets
C) the moon
D) the ocean
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