Earth Science Chapter 3

a glowing ball of hot gas

• telescope

• star

• brightness

• property

a tool that magnifies objects and makes them look bigger and closer

• star

• brightness

• telescope

• property

something about an object you can observe

• property

• telesocpe

• brightness

• star

An astronomer is studying four stars with four different colors. What color is the hottest?

• red

• blue

• white

• yellow

Which property of the stars makes them look like small points of light compared to the sun?

• They give off less light than the sun.

• They are smaller in size than the sun.

• They are farther away from the Earth than the sun.

• They have a lower temperature than the sun.

Which is true of all stars?

• They are white.

• They are silver.

• They can be one of several colors.

• They have no color that can be seen.

Which statement BEST explains why it is easier to see stars at night?

• The stars burn brighter during the night.

• The stars move farther away during the day.

• The stars grow larger in size during the night.

• The sunlight washes out the starlight during the day.

The telescopes of today are much more powerful than the early telescopes.

• True

• False

Scientists classify, or group, stars by distance.

• True

• False

Stars look like points of light because they are so close to Earth.

• True

• False