DPS Science Virtual Quiz Bowl- Final Round

continuous exchange of carbon dioxide and oxygen among living things

feathery high clouds created by ice crystals 

all the living things in an ecosystem 

Changing something into something completely different  --EX: burning paper

large ecosystem that includes water, soil, plants, and animals

molecules transfer energy by TOUCHING

An instrument used to measure wind speed

forces that cancel each other out when acting together

The large region of the atmosphere where the air has similar properties

a front where cold air pushes under a warm air mass

The nonliving parts of an ecosystem

another name for the heart

animal that eats other animals as food

carries oxygen and waste products

Average weather over a period of time

a force put on a given area by the weight of the air

A change in velocity because of time

material through which heat passes

change of water from a gas  back into a liquid

animals that eat producers and do not produce their own food

Living things in an ecosystem

weather instrument that measure air pressure

Smallest unit of life

blanket of gases around the earth