Seasons Topic 4 Experience 1

Front

What is an axis?

Back

An imaginary line that passes through Earth from the North Pole to the South Pole.

Front

What does revolution refer to?

Back

The movement of one object around another object.

Front

What happens in winter in one of Earth’s hemispheres?

Back

Winter occurs when the direction of Earth’s axis tilts that hemisphere away from the sun.

Front

What is the longest day of the year in the Northern Hemisphere called?

Back

Summer solstice.

Front

What is Newton’s 3rd Law of Motion?

Back

For every action force, there is an equal but opposite reaction force.

Front

What is the equator?

Back

An imaginary line that divides the Earth into the Northern and Southern Hemispheres.

Front

What is the tilt of the Earth's axis?

Back

The angle at which the Earth's axis is tilted from vertical, approximately 23.5 degrees.

Front

What is the significance of the summer solstice?

Back

It marks the longest day of the year and the start of summer in the Northern Hemisphere.

Front

What is an equinox?

Back

A point in time when day and night are of approximately equal length, occurring in spring and autumn.

Front

What causes the seasons?

Back

The tilt of the Earth's axis and its revolution around the sun.