8th Grade Science 2nd 9Wk Review

Front

What are the two types of crust?

Back

Continental and oceanic.

Front

What does the green line represent in a wave?

Back

Amplitude.

Front

Which star is the coldest?

Back

Red Star.

Front

What geologic process formed the Himalayan mountains?

Back

Tectonic plate collision.

Front

What season is the South experiencing when it is Spring in the Northern Hemisphere?

Back

Fall.

Front

What is the definition of amplitude in a wave?

Back

The maximum distance a wave varies from its rest position.

Front

What is the definition of frequency in terms of waves?

Back

The number of waves that pass a point in one second.

Front

What is the definition of wavelength?

Back

The distance between two consecutive crests or troughs in a wave.

Front

What are tectonic plates?

Back

Massive slabs of Earth's lithosphere that move and interact at their boundaries.

Front

What is the difference between continental and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.