- 1. An orbit is a ____________.
A) island
B) path
C) organ
D) street
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) seven
B) ten
C) five
D) nine
- 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) air
B) lunar
C) rock
D) cloud
- 5. Earth is the __________ planet from the sun.
A) second
B) third
C) fourth
D) fifth
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) planet
B) moon
C) satelite
D) star
- 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) telegraph
B) microscope
C) telescope
D) microwave
- 9. A curved piece of glass is called a _____________.
A) sphere
B) ball
C) phone
D) lens
- 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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