- 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) five B) ten C) nine D) seven
- 3. The solar system is made up of the ____________ and all of the objects around it.
A) Sun B) Orbit C) Planet D) Moon
- 4. A planet is a large body of gas or ____________ that orbits the sun.
A) air B) rock C) cloud D) lunar
- 5. Earth is the __________ planet from the sun.
A) fifth B) fourth C) third D) second
- 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) Mars and Venus B) Earth and Pluto C) Mercury and Neptune D) Saturn and Jupiter
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) telescope B) telegraph C) microscope D) microwave
- 9. A curved piece of glass is called a _____________.
A) phone B) sphere C) ball D) lens
- 10. Which of the following is not a part of the solar system?
A) the planets B) the ocean C) the moon D) the sun
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