Space Systems Practice Test

Why does the sun look brighter than other stars?

• Because the sun is bigger

• Because the sun is heavier

• Because the sun is closer to us

• Because the sun is older

If two stars are the same size, but Star A is closer to us than Star B, which star looks brighter?

• Star A looks dimmer than Star B

• Both stars look just as bright

• Star A looks brighter than Star B

• It depends on when we look at the stars

What happens to a shadow's length during the day?

• It gets shorter around lunchtime and longer in the morning and evening

• The shadow stays the same length all day

• It gets longer around lunchtime and shorter in the morning and evening

• There's no pattern to how the shadow changes

Why do some stars only show up in the night sky during certain months?

• The stars move to a different part of the sky

• The stars are "sleeping"

• Earth's position changes as it moves around the Sun

• The stars get too dim to see

Which way does Earth's gravity pull things?

• Up

• Down

• Sideways

• Random Directions

What is the main reason stars look brighter than others?

• color

• distance

• size

• heat

Which phase of the moon comes right after the new moon?

• Full Moon

• First Quarter

• Waxing Crescent

• Waning Gibbous

If you can jump 1 meter high on Earth, what would happen if you try to jump on a planet where the gravity is much weaker?

• You will jump lower than 1 meter

• You will jump higher than 1 meter

• You will still jump exactly 1 meter high

• You won't be able to jump at all

Why do we experience different seasons like summer and winter throughout the year?

• Because of the moon's gravity

• Because the distance between the Earth and the sun changes

• Because the sun changes its brightness throughout the year

• Because the Earth's tilt changes the amount of sunlight different parts of Earth receive

What is a star?

• A bright light in the sky that can move and twinkle

• A ball of gas in space that produces light and heat

• A planet that is very far away

• A rock floating in space that reflects sunlight