Question

1. earth rotates around its axis. (15 points)

a. what are the effects of earths rotation? (10 points)
b. if earth didnt rotate, what would be one major obstacle life would have to overcome? (5 points)

1. earth moves through space in two ways - rotation and revolution. (10 points)

a. around what does earth revolve? (2 points)
b. what are two ways life would be different if earth did not have the motion of revolution? (8 points)

Explanation:

A.

The Earth's rotation causes day - night cycles as different parts of the Earth face the Sun or not. It also affects ocean and air currents through the Coriolis effect, influencing weather patterns and climate. Additionally, it impacts the shape of the Earth, making it an oblate spheroid.

B.

If the Earth didn't rotate, one side would be in constant sunlight and extremely hot, while the other side would be in permanent darkness and extremely cold. A major obstacle for life would be the extreme temperature differences, making it difficult to maintain a stable environment for most forms of life.

2.A.

Earth revolves around the Sun.

2.B.

Without revolution, there would be no seasons as the tilt of the Earth's axis relative to the Sun would not change position. Also, the length of a year would not be defined, and the overall climate system would be severely disrupted as the distribution of solar energy across the planet would be different.

Answer:

1.A.

Day - night cycles, Coriolis - effect on currents, and Earth's shape.

1.B.

Extreme temperature differences.

2.A.

The Sun.

2.B.

No seasons, disrupted climate system.