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