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