Front

What is dusk?

Back

The period of time between sunset and nightfall.

Front

What do 'shadows' refer to in this context?

Back

Morning, noon, afternoon.

Tags

NGSS.5-ESS1-2

Front

What time of day is referred to as 'noon'?

Back

12 o'clock, midday.

Tags

NGSS.1-ESS1-1

Front

What causes the day/night cycle on Earth?

Back

The Earth rotating on its axis.

Tags

NGSS.MS-ESS1-1

Front

What causes the moon phases?

Back

Sun reflecting light on the moon.

Tags

NGSS.MS-ESS1-1

Front

What is the definition of 'day'?

Back

The period of time when the sun is above the horizon.

Front

What is the definition of 'night'?

Back

The period of time when the sun is below the horizon.

Front

What is 'sunrise'?

Back

The time in the morning when the sun appears above the horizon.

Front

What is 'sunset'?

Back

The time in the evening when the sun disappears below the horizon.

Tags

NGSS.5-ESS1-2

Front

What is the 'Earth's rotation'?

Back

The spinning of the Earth on its axis, which causes day and night.