Unit 4: Matter and Energy Transformations Vocab

Front

Autotroph

Back

An organism that makes its own food

Front

Chemical change

Back

A change in matter that produces one or more new substances

Front

Conservation of mass

Back

Mass cannot be created or destroyed

Front

Energy

Back

The ability to do work

Front

Heterotroph

Back

An organism that cannot make its own food

Front

Organism

Back

A living thing

Front

Carbon Dioxide (CO2)

Back

The gas used in photosynthesis to make sugars

Front

Oxygen

Back

The gas taken in by living things used in aerobic respiration

Front

Product

Back

A substance produced in a chemical reaction

Front

Reactant

Back

A chemical substance that is present at the start of a chemical reaction