Our Solar System Question Preview (ID: 530)

1. How It Formed 2. The Planets. TEACHERS: click here for quick copy question ID numbers.

When did our Solar System start developing?
a) 3 million years ago
b) 1 million years ago
c) 4.5 billion years ago
d) 5.7 billion years ago

After the nebula, from which our solar system formed, condensed, what force helped draw particles together into clumps?
a) nuclear fusion
b) gravity
c) a tremendous explosion
d) a meteor shower

Our star, the Sun, began to shine when
a) heat and pressure inside the huge sphere started a chain of nuclear reactions
b) the huge sphere exploded and debris filled the universe
c) condensation caused nuclear reactions which gave off sunlight
d) swirling clouds condensed and gave off tremendous energy

After our Sun formed, the remaining gas and dust formed
a) other suns
b) other stars
c) another galaxy
d) the planets

Which member of our solar system is best described as being neither a rocky planet or a gas planet?
a) Mercury
b) Mars
c) Neptune
d) Pluto

The planet with a tilted axis that points directly to the Sun best describes
a) Mars
b) Uranus
c) Venus
d) Saturn

Which planet is best known for its spectacular rings?
a) Jupiter
b) Neptune
c) Saturn
d) Mercury

Which is the largest planet that is about 1,400 times the size of Earth?
a) Jupiter
b) Uranus
c) Saturn
d) Neptune

Enormous spheres of gas such as hydrogen, helium, methane with no solid surfaces best describes
a) Pluto
b) the terrestrial planets
c) the gas giants
d) our solar system

The farthest rocky planet from the Sun that may have had microscopic life at one time
a) Mercury
b) Pluto
c) Venus
d) Mars

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