Earth in Space

Front

What do you call the 24-hour cycle of sunlight and darkness?

Back

Day

Front

What do you call the 365.25 day cycle of sunlight and darkness and four seasons?

Back

Year

Front

What is the angle of Earth's tilt on its axis?

Back

23.5 degrees

Front

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

Back

Summer Solstice

Front

When is the fall equinox in the Northern Hemisphere?

Back

September 22

Front

What is the term for the position of the Earth in relation to the Sun that causes seasons?

Back

Earth's tilt and orbit

Front

What phenomenon occurs when day and night are of equal length?

Back

Equinox

Front

What is the shortest day of the year in the Northern Hemisphere?

Back

Winter Solstice

Front

What do we call the time it takes for the Earth to complete one rotation on its axis?

Back

24 hours

Front

What is the term for the path that the Earth takes around the Sun?

Back

Orbit