Quakes & Volcanoes
Weathering & Erosion
Natural Resources
Cells
Animal Classification
100
These waves move through both solid and liquid materials of the earth.

P Waves

100

A form of mechanical weathering where rocks rub against each other.

Abrasion

100

Most abundant metal in the earth's crust.

Aluminum

100

This organelle is like lysol because it helps clean the cell.

Lysosome

100

Animals that eat both plants and animals are called ____.

Omnivores

200

The point directly above the focus of an earthquake is the ____.

Epicenter

200

Hangs from the ceiling of caves.

Stalactites

200

Nuclear energy depends on this mineral.

Uranium

200

Responsible for discovering small, empty chambers in a dried piece of cork.

Robert Hooke

200

Smallest member of the crocodilian family.

Caiman

300

Most dangerous and powerful volcanic eruption style.

Plinian 

300

This type of weathering changes rocks into a new substance.

Chemical Weathering

300

This kind of energy uses heat from the earth to produce steam.

Geothermal Energy

300

The jelly-like substance inside the cell membrane that helps hold other organelles in place.

Cytoplasm

300

Tiny glass spines found on fiber optic sponges.

Spicues

400

A break in the earth's surface along which rock can move.

Fault

400

When an ice sheet reaches the ocean and continues to float it is then called a(n) ______.

Ice Shelf

400

Method of conservation that keeps water from washing soil away.

Contour Plowing

400

The ability to do work.

Energy

400

Soft-bodied animals with mantles.

Mollusks

500

An avalanche of red hot dust & gas that flows down the side of a volcano.

Pyroclastic Flow

500

Mixture of clay, sand, & silt; very fertile soil.

Loam

500

Most common form of coal

Bituminous

500
Known as the highway system of the cell.

Endoplasmic Reticulum (ER)

500

This group of primates is the smallest in size and looks the least like the common monkey.

Prosimians