Stars and the Sun

Which is true about the Sun's rotation

• rotates at different speeds depending on latitude

• rotates faster at the equator than at the poles

• rotates differently than Earth

• all of the above

Which best describes the Sun?

• small, blue star

• large, red star

• medium, yellow star

• large, yellow star

What is a star?

• collection of dust that gives off heat and light

• huge ball of hot, glowing gas that gives off heat and light

• ball of electricity that gives off heat and light

• a bright burning planet that gives off heat and light

Although the Sun is much larger than the moon, why do they appear to be about the same size from Earth?

• because the moon is closer to Earth

• because they are the same size

• because the Sun is so bright

• because the moon is so bright

Why can't we see the stars during the day?

• other stars are too small to see during the day

• the sun is so much bigger than other stars that we can't see them from Earth during the day

• the sun is so brighter that we can't see other stars during the day

• Other stars aren't close enough to see

A main characteristic of a star is it produces it own energy through a process of changing matter into energy.

• True

• False

The Sun is held together by __________.

• plasma

• heat

• gravity

• the atmosphere

The Earth's atmosphere helps hold in the heat from the Sun.

• True

• False

What is the relationship between the sun and life on earth?

• the sun damages life on earth

• the sun causes plants to wither and die

• the sun powers life on earth

• the sun protects life on earth

How many of the stars, visible in the night sky, are closer to Earth than the Sun?

• all of them

• none of them

• about half of them

• only one of them