Unit 5: Lessons 3 & 4 Flashcard Review

Front

What is a reasonable sunset time for November based on observed patterns?

Back

5:35 PM

Front

When will there be another full moon based on the calendar?

Back

Approximately the 12th of the next month

Front

Why is December 21/22 the first day of winter in the northern hemisphere?

Back

Because the northern hemisphere is tilted away from the sun

Front

What happens to sunrise times in late fall in Chicago?

Back

The sun is rising earlier each day.

Front

What would happen to the seasons if Earth were not tilted on its 23.5 degree axis?

Back

We would not have seasons.

Front

What is the tilt of Earth's axis?

Back

23.5 degrees

Front

What causes the change in seasons on Earth?

Back

The tilt of Earth's axis and its orbit around the sun.

Front

What is the significance of the winter solstice?

Back

It marks the shortest day and longest night of the year in the northern hemisphere.

Front

How does the tilt of the Earth affect daylight hours?

Back

It causes variations in daylight hours throughout the year.

Front

What is a full moon?

Back

A full moon occurs when the moon is fully illuminated by the sun.