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