catastrophic events
watersheds
cell theory
weather
body systems
100

a funnel shaped storm that brings high winds

tornado

100

a place where water over a large area congregates

watershed

100

what are all living things made of

cells

100

mass of cold air moving towards a certain location

cold front

100

this system breaks down food and absorbs nutrients

digestive system

200

a hole in earths crust that spews lava

volcano

200

water that is stored in rocks underneath earths surface

groundwater

200

when an organism has many cells

multicellular

200

mass of warm air moving towards a certain location

warm front

200

this system supplies oxygen to the body

respiratory system

300

A large storm with heavy winds and large amounts of rainfall

hurricane

300

a porous rock that contains water

aquifer

300

has a nucleus

eukaryotic

300

a warm air mass and a cold air mass pressing against each other but neither can over power the other

stationary front

300

this system pumps blood through the body

circulatory system

400

enormous wave of water caused by an earthquake in the ocean

tsunami

400

pollution that can be traced to the source

poinrsourcepollution

400

single celled organisms that live in normal conditions

eubacteria

400

2 cold air masses converge on a warm air mass

occluded front

400

this system allows you to feel things like cold, heat, or anything directly touching you

nervous system

500

shaking of earths surface caused by movement of earth's crust

earthquake

500

water pollution that can't be traced to a source

nonpointsourcepollution

500

ancient organisms that live in extreme conditions

archaebacteria

500

there is thunderstorms in a certain location what kind of front is approaching

cold front
500

the pancreas is part of this system

digestive system