8th grade Science NC EOG Review

Front

What is the hypothesis when marine fossils are found in a desert?

Back

The area was once covered by water.

Front

Where is most of Earth's freshwater found?

Back

Polar ice caps.

Front

What evidence supports the theory of evolution?

Back

Fossils provide evidence that vertebrates share a common ancestor.

Front

What happens to atomic number as atomic mass increases?

Back

More protons are present in the atomic nucleus.

Front

How do scientists analyze the health of a river?

Back

By measuring its dissolved oxygen.

Front

What is a fossil?

Back

A preserved remains or impression of a living organism from the past.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What is an ecosystem?

Back

A community of living organisms and their environment interacting as a system.

Front

What is the role of producers in an ecosystem?

Back

Producers create energy through photosynthesis.

Front

What is the difference between weather and climate?

Back

Weather is short-term atmospheric conditions; climate is long-term patterns.