Astronomy: Unit 2 Test '-Earth's Sky REVIEW

Front

What is the Earth's tilt in degrees?

Back

23.5 degrees

Front

Why do we always see the same side of the moon from Earth?

Back

Because it rotates and revolves at the same rate.

Front

Why does Earth have different seasons?

Back

Because of the tilt of Earth on its axis as it moves around the sun.

Front

What is responsible for the moon's illumination?

Back

Sunlight reflecting off the surface of the moon.

Front

Where is the 'City' located if it is in the Northern Hemisphere?

Back

Northern Hemisphere.

Front

What is the primary reason for the phases of the moon?

Back

The relative positions of the Earth, moon, and sun.

Front

What causes a solar eclipse?

Back

The moon passes between the Earth and the sun.

Front

What causes a lunar eclipse?

Back

The Earth passes between the sun and the moon.

Front

What is the significance of the equator in astronomy?

Back

It divides the Earth into the Northern and Southern Hemispheres.

Front

What is the role of gravity in the solar system?

Back

It keeps planets in orbit around the sun.