8th Grade Science 2nd 9Wk Review

Front

What is the hottest type of star?

Back

Blue Star

Front

What was the name of the supercontinent that existed millions of years ago?

Back

Pangea

Front

What is the coldest type of star?

Back

Red Star

Front

What type of data supported Wegener's theory of continental drift?

Back

Rock, fossil, and climate data.

Front

What does the green line represent in a wave diagram?

Back

Amplitude

Front

What is the definition of amplitude in a wave?

Back

The maximum extent of a vibration or oscillation, measured from the position of equilibrium.

Front

What is the definition of frequency in terms of waves?

Back

The number of waves that pass a fixed point in a given amount of time.

Front

What is the definition of wavelength?

Back

The distance between successive crests of a wave.

Front

What is the process of plate tectonics?

Back

The movement of the Earth's plates that causes earthquakes, volcanic activity, and the formation of mountains.

Front

What evidence did Wegener use to support his theory of continental drift?

Back

Fossil evidence, geological similarities, and climate data.