Earth's Moon-7th grade

1.

1 point

___________ first named the dark colored regions maria, the Latin word for seas.

2.

1 point

_______ probably formed when lava flows from the Moon's interior flooded into large, bowl-like regions on the Moon's surface.

3.

1 point

The oldest moon rocks analyzed so far - dating to about ______ billion years old- were found in the lunar highlands.

4.

1 point

As you look at the Moon's surface features, you will see __________.

5.

1 point

As _______ struck the Moon, cracks could have formed in the Moon's crust, allowing lava flows to fill in the large depressions.

6.

1 point

The more _______ the craters are in a region, the older the surface is.

7.

1 point

During the ______ space program, astronauts left several seismographs on the Moon.

8.

1 point

A ___________ is an instrument that detects tremors, or seismic vibrations.

9.

1 point

Like the Moon, Earth also has a dense, ______ core.

10.

1 point

The _______ side of the Moon is always facing Earth.

11.

1 point

It takes ______ days for the Moon to complete one orbit around Earth.

12.

1 point

The Moon also takes _______ days to rotate once on its axis.

13.

1 point

You see the Moon because it reflects _________.

14.

1 point

_____ ________ occurs when the Moon is positioned between Earth and the Sun.

15.

1 point

About 24 hours after new moon, you can see a thin sliver of the lighted side. This phase is called _______ ________.

16.

1 point

The Moon's phases continue to wax through waxing gibbous and then _______ _________.

17.

1 point

During the new moon, if Earth moves into the Moon's shadow, a ________ _________ occurs.

18.

1 point

A lunar eclipse occurs when the Sun, Earth, and the Moon are lined up such that the _______ moon moves into Earth's shadow.

19.

1 point

________ is the third planet from the sun.