Modeling Earth and Sun

Front

Why do the length of day and night change throughout the year?

Back

The Earth should be tilted on its axis as it goes around the Sun so that the amount of light hitting the Earth varies depending on the tilt.

Front

The model shows the Earth in one of its positions as it moves around the Sun. Which explanation is supported by this model?

Back

The Southern Hemisphere has longer days and shorter nights. It is summer.

Front

Why don't all parts of Earth have day and night at the same time?

Back

Earth rotates on its axis, and only the part of Earth facing the Sun experiences day.

Front

Why does the length of daytime change during the year?

Back

because Earth spins on its axis and moves around the Sun

Front

Use the information and model to answer the following question. The model shows the earth on the summer solstice for the Northern Hemisphere. Which of the following conclusions can be drawn from the model?

• Mexico would not receive any daylight on the day this model shows.
• The Equator would not receive any daylight on the day this model shows.
• The Arctic Circle would not receive any daylight on the day this model shows.
• The Antarctic Circle would not receive any daylight on the day this model shows.

Back

The Antarctic Circle would not receive any daylight on the day this model shows.