Unit 2 Test: Part 1 (m)

Front

What must happen for a solar eclipse to occur?

Back

The moon must be directly between Earth and the Sun.

Front

What is an index fossil?

Back

A fossil that is used to define and identify a particular time period in the geological time scale.

Front

Which fossil is considered a good index fossil?

Back

Frog.

Front

What forms at a divergent boundary between two oceanic plates?

Back

Mid-ocean ridge.

Front

What is a mid-ocean ridge?

Back

An underwater mountain range formed by plate tectonics.

Front

What are most tsunamis caused by?

Back

Earthquakes.

Front

What is transpiration in plants?

Back

The process by which plants return groundwater to the atmosphere.

Front

What is condensation?

Back

The process by which water vapor in the air is changed into liquid water.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the moon is between Earth and the Sun; a lunar eclipse occurs when Earth is between the Sun and the moon.

Front

What is a rift valley?

Back

A lowland region formed by the divergence of tectonic plates.