Solar Radiation and Earths Seasons

As the Earth orbits around the sun, the direction of the tilt of its axis changes.

• True
• False

The Earth's axis is tilted _____ degrees.

• 23.5
• 25.3
• 30.2
• 24

Which letter on the diagram represents the Earth's position in Fall (Autumnal Equinox)?

• A

• B

• C

• D

Which letter on the diagram represents the Earth's position in Spring (vernal equinox)?

• A

• B

• C

• D

Which letter on the diagram represents the Earth's position on the summer solstice?

• A
• B
• C
• D

Which letter on the diagram represents the Earth's position on the winter solstice?

• A
• B
• C
• D

At position A, which hemisphere would have summer?

• Northern hemisphere
• Southern hemisphere

At position C, which hemisphere would have winter?

• Northern hemisphere
• Southern hemisphere

At position D in the Northern hemisphere it would be _____?

• Summer
• Winter
• Spring
• Fall

The study of the moon, stars, and other objects in space is called

• chemistry
• biology
• geology
• astronomy