A. Earth’s orbit around the sun is not a perfect circle.

B. The earth rotates on its axis every 24hrs

C. The moon has a greater pull on South America than on North America.

D. Earth’s axis has a 23.5° tilt.

then the Earth will take longer to rotate.

then the Earth will no longer have seasons.

Then we will only see day time all the time

Then we will only see night time all the time

Biosphere

Hydrosphere

Geosphere

Atmosphere

Biosphere

Hydrosphere

Geosphere

Atmosphere

A. The sun stops sending light to Earth at night.

B. Earth moves farther away from the sun at night.

C. The tilt of Earth causes less light to reach Earth at night.

D. Earth rotates and causes different parts of Earth to experience night.

A. The length of the seasons would be shorter.

B. The length of the seasons would be longer.

C. The length of a day would be shorter.

D. The length of a day would be longer.

A. Hold the ball still

B. Make the ball circle another bigger ball

C. Paint one half of the ball black and the other half white

D. Shine a bright light on one side of the ball