Science Checkpoint II Review- Final

Front

What causes the changes in seasons on Earth?

Back

The Earth orbits the sun on a tilted axis.

Front

What is the primary energy source for the Hoover Dam?

Back

The energy produced by the dam is generated by water, a renewable resource.

Front

Why can seashell fossils be found in the Rocky Mountains?

Back

The rocks form underwater.

Front

What is the difference between weather and climate?

Back

Weather refers to short-term atmospheric conditions, while climate refers to long-term average conditions.

Front

What is a renewable resource?

Back

A resource that can be replenished naturally over time, such as water or solar energy.

Front

What is a nonrenewable resource?

Back

A resource that cannot be replenished in a short period of time, such as fossil fuels.

Front

What is the role of water turbines in the Hoover Dam?

Back

They convert the energy of flowing water into electricity.

Front

What does it mean when we say the average temperature has increased over the last 50 years?

Back

It indicates a long-term change in climate rather than a short-term weather pattern.

Front

What is the significance of fossils in understanding Earth's history?

Back

Fossils provide evidence of past life and environmental conditions.

Front

How does air pressure affect weather?

Back

Changes in air pressure can lead to different weather conditions, such as storms or clear skies.