NWEA Science Earth and Space

Front

What is a 1st quarter moon?

Back

A 1st quarter moon is a phase of the moon where half of the moon is illuminated and visible from Earth, occurring about a week after the new moon.

Front

Where can a 1st quarter moon be seen?

Back

A 1st quarter moon can be seen in the evening sky, typically in the western part of the sky.

Front

What is a Full Moon?

Back

A Full Moon is when the entire face of the moon is illuminated and visible from Earth, occurring about two weeks after the new moon.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the revolution of the Moon around the Earth, which changes the angle of sunlight hitting the Moon.

Front

What evidence supports that Earth revolves around the Sun?

Back

Seasonal changes in the apparent positions of constellations provide evidence that Earth revolves around the Sun.

Front

What is the tilt of the Earth?

Back

The tilt of the Earth is approximately 23.5 degrees and affects the seasons and the way sunlight hits different parts of the Earth.

Front

What is the significance of the Foucault pendulum?

Back

The Foucault pendulum demonstrates the rotation of the Earth by showing how the direction of the pendulum's swing changes over time.

Front

What is the difference between a New Moon and a Full Moon?

Back

A New Moon occurs when the Moon is between the Earth and the Sun, making it invisible, while a Full Moon occurs when the Earth is between the Moon and the Sun, making it fully visible.

Front

What is the apparent motion of the Sun in the sky?

Back

The apparent motion of the Sun across the sky is due to the rotation of the Earth on its axis.

Front

What are Moon phases?

Back

Moon phases are the different appearances of the Moon as seen from Earth, caused by the relative positions of the Earth, Moon, and Sun.