2.1- 7th grade

1.

1 point

The Earth is shaped like a ball, or a ____________.

2.

1 point

A ___________ is a three-dimensional object whose surface at all points is the same distance from its center.

3.

1 point

The spherical shape of Earth and other planets is because of _____________.

4.

1 point

Gravity is a _______ that attracts all objects toward each other.

5.

1 point

The farther away the objects are, the _________ the pull of gravity is.

6.

1 point

Even though Earth is ________, it may seem flat to you.

7.

1 point

This is because __________ surface is so large compared to your size.

8.

1 point

Earth is shaped like a sphere, but not a ________ one.

9.

1 point

Earth's geographic poles are located at the north and _______ ends of Earth's axis.

10.

1 point

Earth spins around this _______________.

11.

1 point

The spinning of Earth on its _________, called rotation, causes you to experience day and night.

12.

1 point

This motion of Earth around the _______, is called revolution.

13.

1 point

A new year has _______.

14.

1 point

You learned earlier that Earth's _________ causes day and night.

15.

1 point

Earth also moves around the Sun, completing one _________ each year.

16.

1 point

Earth is really a ___________ of the Sun, moving around it along a curved path called an orbit.

17.

1 point

The shape of Earth's orbit is an ___________.

18.

1 point

Because of the tilt of Earth's axis, the Sun's position relative to Earth's _________ changes.

19.

1 point

These times are known as the summer and winter __________.

20.

1 point

During equinox, Earth's tilt is not toward or away from the ______.