Solar System Test Review

Question 1

Why do the Northern Hemisphere and the Southern Hemisphere have opposite seasons?

Accepted Answer

Earth’s tilt on its axis as it revolves around the sun

Question 2

The force of gravity pulls objects all on Earth towards _________.

Accepted Answer

Earth’s center

Question 3

What causes Earth’s seasons?

Accepted Answer

Earth’s revolution around the sun and the tilt of its axis.

Question 4

A pencil and a crumpled sheet of paper are dropped from one meter above the ground at the same time. What will happen?

Accepted Answer

Both will hit the floor at the same time.

Question 5

Suppose Earth was farther from the sun. What would happen to the gravitational pull between Earth and the sun?

Accepted Answer

It would decrease.

Question 6

Which statement explains why Jake sees a constellation in winter, but not in the summer?

Accepted Answer

Earth revolves around the sun.

Question 7

Which statement about the sun and other stars is true?

Accepted Answer

The sun is much closer to Earth than other stars.

Question 8

Why are most stars only visible at night?

Accepted Answer

The Sun’s brightness blocks out the light of other stars.

Question 9

What causes shadows to change?

Accepted Answer

the apparent motion of the sun across the sky

Question 10

In the Northern Hemisphere, which month would have the longest hours of daylight?

Accepted Answer

June

Question 11

Which of these do we observe because of apparent motion?

Accepted Answer

sunrise and sunset

Question 12

What keeps the Earth moving around the sun?

Accepted Answer

the gravitational force of the sun and Earth

Question 13

About how long does it take for Earth to complete one rotation?

Accepted Answer

24 hours

Question 14

An imaginary line running between the North and South Poles.

Accepted Answer

axis

Question 15

A ________________ is the motion of one object moving around another.

Accepted Answer

revolution

Question 16

Which of these is a force that is directed down toward the center of the object?

Accepted Answer

gravity

Question 17

When Sam looks up at the sun, it seems like the biggest star in the sky. Why does the sun look that way to Sam?

Accepted Answer

The sun is closer to Earth than other stars.

Question 18

Why do the moon and the sun appear to be nearly the same size in the sky?

Accepted Answer

The moon is closer to Earth than the sun is.

Questions 18