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