Earth's Orbit and Seasons

Front

How long does it take for Earth to complete its orbit around the Sun?

Back

1 year

Front

What causes summer days to be warmer and longer?

Back

Sunlight strikes more directly and for a longer time.

Front

What do primary producers depend on for their survival?

Back

Sunlight.

Front

What happens when it's winter in the Northern Hemisphere?

Back

The North Pole tips away from the Sun.

Front

When it's summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

Back

Winter.

Front

What is the tilt of the Earth's axis?

Back

Approximately 23.5 degrees.

Front

What is the significance of the equinoxes?

Back

They mark the points in the year when day and night are of equal length.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis; revolution is the orbit of Earth around the Sun.

Front

How does the Earth's distance from the Sun affect seasons?

Back

Seasons are primarily caused by the tilt of the Earth's axis, not its distance from the Sun.

Front

What is the role of the Sun in the Earth's climate?

Back

The Sun provides the energy that drives weather and climate systems.