Unit 4 & 5 Exam Review

Why don't we observe eclipses all year round?

Which observation provides the best evidence that Earth orbits the Sun?

Approximately how many million years ago (mya) were all of Africa and South America located south of the equator?

At each position in Earth’s orbit, the North Pole is pointing toward

Position A represents the Sun at a time of day during month Z. What is the time of day when the Sun is at position A?

Which fossil has not been found in the New York State rock record?

A volcanic ash layer is a good geologic time marker for correlating rock layers because the ash layer was deposited over

What is the approximate percentage of Earth’s history during which humans have existed, compared to the age of Earth?

Which surface bedrock is youngest in age?

Determine the number of years (y) it takes for only 25% of radioactive isotope X to remain in a sample.

Earth revolves around the Sun at the rate of approximately

This apparent change in the direction of swing is evidence that Earth

Name the moon phase

Identify radioactive isotope X and its stable disintegration product.

Name the moon phase

The frequency of Earth’s cycle of ocean tides is primarily controlled by