Question 1

Why do objects fall toward Earth’s surface?

Accepted Answer

The gravitational force pulling them toward the planet’s center.

Answer

The Earth's orbit around the Sun makes objects fall toward the surface.

Answer

As the Earth rotates on its axis, objects fall down.

Answer

All heavy things fall down.

Question 2

Why do some stars appear brighter than others?

Accepted Answer

Some stars are larger, hotter, or closer to Earth than other stars.

Answer

They don't. All stars appear the exact same.

Answer

Because they're more special.

Answer

Only the sun appears brighter than other stars.

Question 3

How does distance affect a star’s brightness?

Accepted Answer

The farther away a star is from Earth, the dimmer it will appear compared to other closer stars with equal brightness.

Answer

Distance only affects how big a star looks, not how bright it looks.

Answer

Distance has no impact on a star's brightness.

Answer

The closer a star is to Earth, the dimmer it will appear compared to other farther stars with equal brightness.

Question 4

What causes day and night?

Accepted Answer

Earth's rotation on its axis

Answer

Earth's orbit around the Sun

Answer

Earth's orbit around the Moon

Answer

The Moon's orbit around the Earth

Question 5

How long does it take for Earth to orbit the Sun?

Accepted Answer

365.25 days

Answer

28 days

Answer

700 days

Answer

1 day

Question 6

Is gravity acting on a bird when it is flying in the sky?

Accepted Answer

Yes, gravity is always acting on the bird, but other forces allow it to stay in the air.

Answer

Gravity doesn't affect birds in the same way that it affects land animals.

Answer

No way! It's flying! There's no gravity acting on the bird!

Answer

Gravity is only acting on the bird when it stops flying and rests on the ground or in a tree.

Question 7

If Betelgeuse is so much larger than our Sun, why does it look so small in the night sky?

Accepted Answer

Because Betelgeuse is so much farther away than the Sun

Answer

Because Betelgeuse is so much dimmer than the Sun

Answer

Because the Sun is so much farther away than Betelgeuse

Answer

Because all stars just look different

Question 8

If two stars have the same brightness, will the closer star or farther away star look brighter?

Accepted Answer

The closer star will look brighter.

Answer

The farther away star will look brighter.

Answer

The stars will look the same no matter where they are.

Answer

Stars can't have the same brightness.

Question 9

Which of the following patters are caused by the Earth's orbit around the Sun?

Accepted Answer

Different sunrise times, different constellations, different lengths of shadows at the same time of day

Answer

Shapes of the moon, length of shadows throughout the day, different sunrise times

Answer

Changing shadow directions, different constellations, shapes of the moon

Answer

Length of shadows throughout the day, different lengths of shadows at the same time of day, changing shadow directions

Question 10

Which of the following are caused by Earth's rotation about its axis?

Accepted Answer

Day and night, changing shadow directions, position of the sun throughout the day

Answer

Changes in shadow length, different constellations, day and night

Answer

Different lengths of shadows at the same time of day, different moon shapes, day and night

Answer

Different moon shapes, different constellations, changing shadow directions

Question 11

Order the Sun position from lowest in the sky to highest in the sky

Accepted Answer

Winter, spring, fall, summer

Answer

Fall, winter, spring, summer

Answer

Summer, spring, winter, fall

Answer

Winter, summer, spring, fall

Question 12

If measured at the same time of the day, which season would have the shortest shadow?

Accepted Answer

Summer

Answer

Winter

Answer

Spring

Answer

Fall

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