Understanding Seasons and Phases of the Moon

Front

What causes the seasons to change?

Earth's rotation

Earth's tilt

Earth's Earth's revolution

Back

Earth's tilt

Front

An imaginary line that runs from the North Pole to the South Pole.

Earth's tilt

Earth's axis

Earth's equator

Back

Earth's axis

Front

How long does it take for the Earth to rotate on its axis?

What does this cause?

Back

About 24 hours, causing day and night.

Front

One full revolution takes about _____ days. What is this called?

Back

365 days

This is called a year.

Front

Why does Earth's tilt cause the seasons to change?

You don't have to memorize all that is on the other side. Just be able to explain in your own words.

Back

This happens because solar radiation hits Earth at different angles. If the Sun is higher in the sky, more radiation is absorbed into our atmosphere. This creates warmer temperatures.

Cooler temperatures happen when the Sun is lower in the sky.

Front

What happens when the Northern Hemisphere is tilted toward the Sun?

Back

It experiences summer, while the Southern Hemisphere experiences winter. This is known as a solstice.

Front

This is the time during the year when neither hemisphere is tilted toward the Sun, resulting in equal daylight and darkness.

Back

equinox

Front

A __________________model is one that places the Earth at the center, with the Sun and planets orbiting around it.

geocentric

heliocentric

Back

geocentric

Front

A __________________ model is one that suggests the Sun is at the center, and the Earth, along with other planets, orbits around it.

geocentric

heliocentric

Back

heliocentric

Front

The longest day and shortest night is known as the summer _____________

equinox

solstice

Back

solstice