- 1. An orbit is a ____________.
A) organ B) street C) path D) island
- 2. Including Pluto (which may or may not be a true planet), how many planets are there?
A) nine B) ten C) seven D) five
- 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) rock B) cloud C) lunar D) air
- 5. Earth is the __________ planet from the sun.
A) fifth B) second C) third D) fourth
- 6. The sun is a ___________ because it is a hot, glowing ball of gases.
A) satelite B) planet C) star D) moon
- 7. Which planets are the first and eight planet?
A) Mercury and Neptune B) Saturn and Jupiter C) Mars and Venus D) Earth and Pluto
- 8. What is a tool that is used to gather light to make faraway objects look closer?
A) telegraph B) microwave C) microscope D) telescope
- 9. A curved piece of glass is called a _____________.
A) phone B) lens C) sphere D) ball
- 10. Which of the following is not a part of the solar system?
A) the moon B) the sun C) the planets D) the ocean
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