- 1. An orbit is a ____________.
A) island
B) street
C) organ
D) path
- 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) Planet
B) Orbit
C) Sun
D) Moon
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) rock
B) lunar
C) air
D) cloud
- 5. Earth is the __________ planet from the sun.
A) second
B) third
C) fifth
D) fourth
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) planet
B) moon
C) star
D) satelite
- 7. Which planets are the first and eight planet?
A) Mercury and Neptune
B) Earth and Pluto
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) microwave
B) telescope
C) telegraph
D) microscope
- 9. A curved piece of glass is called a _____________.
A) lens
B) ball
C) phone
D) sphere
- 10. Which of the following is not a part of the solar system?
A) the sun
B) the planets
C) the ocean
D) the moon
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