Chapter 12 Dominic Science Review

What characteristics do all the inner planets have in common?

• ring system

• liquid water

• rocky surface

• thick atmosphere

Gas Giants are surrounded by which of the following?

• rings

• dust

• rocks

• All of these surround Gas Giants

One astronomical unit is equal to the distance from ___to___?

• Earth/the Sun

• Earth/the Moon

• Earth/ to the Northern Lights

• Earth/ to clouds

How did the inner planets form?

• in an area around the sun where it was warmer so the planets were smaller and more dense

• in an area around the moon where is was cooler so the planets were smaller and more dense

• in an area around the clouds where it is wet where the planets were smaller and more dense

• None of these answers is correct

True or False? The inner planets are smaller and did not have enough gravity to keep the lighter gases like helium and hydrogen in their atmospheres.

• True

• False

Which allowed the gas giants to form?

• They were bigger and had more gravity that helped keep the lighter gases in their atmosphere.

• They were bigger and had less gravity that helped keep the lighter gases in their atmospheres

• They were smaller and had more gravity that helped keep the lighter gases in their atmospheres.

• None of these are correct

Which object is the largest?

• Sun

• Earth

• Saturn

• Jupiter

A student is making a model of the sun's interior. Which feature should the student represent in the convection zone?

• gas erupting into space

• gases rising and sinking

• radiation moving outward

• nuclear fusion producing energy

Which technology makes it possible for people to live and work in space for long periods?

• space probe

• space station

• radio telescope

• optical telescope

In 1981, the first space shuttle was launched from Cape Canaveral. Which statement describes an advatage that space shuttles have compared to earlier space probes and capsules?

• Space shuttles can travel beyond Earth's orbit

• Space shuttles are inexpensive to build

• Space shuttles can be used more than once

• Space shuttles can travel beyond the solar system