Rotation Think Alouds

Front

What is the day-night cycle?

Back

The day-night cycle is the pattern of daylight and darkness that occurs due to the rotation of the Earth on its axis, resulting in daytime when a location is facing the sun and nighttime when it is facing away.

Front

How many hours are in a full day?

Back

There are 24 hours in a full day, which includes both daytime and nighttime.

Front

If Bella measured 10 hours of daytime, how many hours of nighttime are there?

Back

There are 14 hours of nighttime (24 hours - 10 hours of daytime = 14 hours of nighttime).

Front

If Axel measured 14 hours of daytime, how many hours of nighttime are there?

Back

There are 10 hours of nighttime (24 hours - 14 hours of daytime = 10 hours of nighttime).

Front

What causes the change in the length of daytime and nighttime throughout the year?

Back

The tilt of the Earth's axis and its orbit around the sun cause variations in the length of daytime and nighttime throughout the year.

Front

What is the position of the sun used for?

Back

The position of the sun in the sky helps determine the time of day and can indicate whether it is morning, afternoon, or evening.

Front

What happens to the length of daytime during summer?

Back

During summer, the length of daytime increases, resulting in longer days and shorter nights.

Front

What happens to the length of daytime during winter?

Back

During winter, the length of daytime decreases, resulting in shorter days and longer nights.

Front

What is the significance of measuring daytime hours?

Back

Measuring daytime hours helps understand the day-night cycle and how it changes with seasons.

Front

How does the Earth's rotation affect our daily lives?

Back

The Earth's rotation affects our daily lives by creating the cycle of day and night, influencing sleep patterns, activities, and the timing of events.