Year 7 warm up - Earth, Moon, and Sun

Front

What is the tilt of Earth's axis?

Back

The angle at which Earth is tilted from vertical, approximately 23.5 degrees, which affects the seasons.

Front

What is a revolution in terms of Earth and the Sun?

Back

A complete orbit of Earth around the Sun, taking about one year.

Front

What is an equinox?

Back

A time when day and night are approximately equal in length, occurring twice a year when neither hemisphere is tilted toward or away from the sun.

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis relative to its orbit around the Sun.

Front

What are the phases of the moon?

Back

The different shapes of the moon as seen from Earth, including new moon, crescent, first quarter, gibbous, and full moon.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis, taking about 24 hours, while revolution is the orbit of Earth around the Sun, taking about one year.

Front

What is the significance of the Summer Solstice?

Back

The longest day of the year in the Northern Hemisphere, occurring when the North Pole is tilted closest to the Sun.

Front

What is the significance of the Winter Solstice?

Back

The shortest day of the year in the Northern Hemisphere, occurring when the North Pole is tilted farthest from the Sun.

Front

What is a lunar eclipse?

Back

An event that occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to cover the Moon.

Front

What is a solar eclipse?

Back

An event that occurs when the Moon passes between the Sun and the Earth, blocking the Sun's light.