Science 5.12: Observing Stars

The apparent __ is how a star looks from Earth.

• dimmer

• closer

• brightness

• farther

Our sun is a __- sized star.

• small

• medium

• large

• extra small

Stars that are far away appear __ even though they might be brighter than our own Sun.

• brighter

• farther

• closer

• dimmer

The Sun supplies __ and __ to Earth.

• light and heat

• gas and light

• gas and heat

• energy and gas

True or False
The Sun is the biggest star in the sky.

• True
• False

Why do other stars appear so much smaller than the sun?

• They are much smaller.

• They are so far away.

• They are not as bright.

• They are dwarf stars.

What are stars?

• Rocky bodies
• Hot exploding balls of gas
• 5 pointed shapes
• Hollywood actors

The only objects in our Universe that produce (make) and emit (give off) their own light are _____.

• asteroids

• comets

• planets

• stars

Which measurement allows astronomers to compare the brightness of stars?

• parallax

• red shift

• absolute brightness

• apparent brightness

Because the Earth is 93 million miles from the Sun, the light from this star takes about _____ to reach us.

• 8 hours

• 1 hour

• 8 minutes