ES Warm-up 4/12-13

Rocks are classified as igneous, metamorphic, or sedimentary according to

• their color.

• how they formed.

• their shape.

• the minerals they contain.

What information did scientists study in order to develop this model of Earth's interior?

• fossils found in rocks

• core samples from seafloor drillings

• locations of recent volcanic activity

• recordings of earthquake waves

The best title for the diagram is

• Water Pollution

• Renewable Energy

• Greenhouse Effect

• Ozone Depletion

Which season is occurring in the Northern Hemisphere?

• winter

• summer

• fall

• spring

The tectonic plates move on the ___________ -- the soft, upper layer of the mantle. 

• lithosphere
• asthenosphere
• mesosphere
• ionosphere