Causes of Seasons

How do we have seasons?

• Earth bounces around the Sun

• Earth spins on its' axis & orbits around the Sun

• Earth moves closer to the Sun and then farther away every 3 months

Tags

NGSS.MS-ESS1-1

When Earth is leaning (tilted) towards the Sun, it is _?_

• winter

• summer

Tags

NGSS.MS-ESS1-1

When Earth is leaning (tilted) away from the Sun, it is _?_

• winter

• summer

Tags

NGSS.MS-ESS1-1

What is the main purpose of the diagram?

• to show Earth's revolution around the Sun

• to show the Sun's revolution around Earth

• to illustrate how old the Sun is

• to compare the characteristics of the Earth and Sun

Tags

NGSS.MS-ESS1-1

As the earth orbits around the Sun, its axis is titled at what degrees?

• 23

• 23.5

• 24

• 24.5

In the northern hemisphere, why is it hotter in the summer than in the winter? Draw a picture to show your thinking.

Tags

NGSS.MS-ESS1-1

Why is it hotter in December than in June in the southern hemisphere? Draw a picture to show your understanding.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

What is the primary reason for the change in seasons on Earth?

• The distance of Earth from the Sun changes significantly.

• The tilt of Earth's axis relative to its orbit around the Sun.

• The speed of Earth's rotation changes.

• The Sun's energy output varies throughout the year.

Tags

NGSS.MS-ESS1-1

During which season is the Northern Hemisphere tilted towards the Sun?

• Winter

• Spring

• Summer

• Autumn

Tags

NGSS.MS-ESS1-1

What is the angle of Earth's axial tilt?

• 22.5 degrees

• 23.5 degrees

• 24.5 degrees

• 25.5 degrees