U4L2: Earth's Motion

A revolution is a complete pass around the Sun, taking how many days?

• 365 days

• 366 days

• 364 days

• 360 days

At any point in time, what happens to half of the Earth's surface?

How does the tilt of the Earth's axis affect the length of the day?

In the winter, what happens to the amount of daylight?

• It decreases.

• It increases.

• It stays the same.

• It fluctuates randomly.

The seasons in the Northern and Southern hemispheres are always opposite.

• True

• False

What does each yellow circle represent in the diagram?

• The Sun's position at midday

• The Moon's position at midnight

• The Earth's position at midday

• The Sun's position at midnight

Does the Moon make its own light? True or False.

• True

• False

How long does the Moon take to complete one orbit around Earth?

• The Moon takes approximately 27.3 days to complete one orbit around Earth.

• The Moon takes approximately 30 days to complete one orbit around Earth.

• The Moon takes approximately 29.5 days to complete one orbit around Earth.

• The Moon takes approximately 31 days to complete one orbit around Earth.

What are the apparent shapes of the Moon in the sky called?

• Moon cycles

• Moon phases

• Moon shapes

• Moon orbits

As the Moon appears to get larger, it is ____.

• waxing.

• waning.

• full.

• new.