Reasons for the Seasons - Bill Nye

What causes the seasons?

• the earth's rotation

• the earth's tilted axis

• the angle of the sun

If North America is tilted towards the sun, what season is it?

• Summer

• Winter

• Fall

• Spring

If the Northern Hemisphere is tilted away from the sun, what season is it on the OTHER side of the world?

• Summer

• Winter

• Fall

• Spring

Why is it cooler in the winter?

• We are receiving direct sunlight

• We are receiving sunlight at an angle

What causes the sun to rise and the sun to set?

• Earth's tilted axis

• The rotation of the Earth

The earth's axis is tilted in different directions throughout the year.

• True

• False

What are June 21 and December 21 called?

• Solstices

• Equinoxes

June 21st is the longest day of the year in the...

• Northern Hemisphere

• Southern Hemisphere

When do the equinoxes happen?

• Summer, Winter

• Fall (Autumn), Spring

Why is his shadow longer in the winter than it was in the summer?

• The sunlight is less direct is the winter because the Sun is lower in the sky.

• The sunlight is more direct in the winter because the Sun is higher in the sky.