Day/Night and Seasons 12/13 (GR)

Front

Does your shadow change during the day?

Back

Yes, your shadow changes in size and direction as the sun moves across the sky.

Front

What does revolution mean?

Back

Revolution means to travel around something else, like how the Earth revolves around the Sun.

Front

Is it true that Earth is ALWAYS half in sunlight and half in darkness?

Back

True, Earth is always half illuminated by the Sun and half in shadow.

Front

When is the sun highest in the sky?

Back

The sun is highest in the sky on June 21, which is the summer solstice in the Northern Hemisphere.

Front

What is an axis?

Back

An axis is the imaginary line around which an object rotates, like the Earth's axis.

Front

What causes day and night?

Back

Day and night are caused by the rotation of the Earth on its axis.

Front

What is the tilt of the Earth's axis?

Back

The Earth's axis is tilted at an angle of about 23.5 degrees.

Front

What are the four seasons?

Back

The four seasons are spring, summer, autumn (fall), and winter.

Front

How long does it take for the Earth to complete one revolution around the Sun?

Back

It takes approximately 365.25 days for the Earth to complete one revolution around the Sun.

Front

What is a solstice?

Back

A solstice is an event that occurs when the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days of the year.