Vocab
Key Concepts
100

Tiny organisms that are made up of a single-cell

Bacteria 

100

Things that are made up of ____?

molecules 

200

Water that is underground is?

Ground Water

200

______  is a measure of the average kinetic energy 

Temperature

300

A heating unit that stores and warms water is?

Water Heater 

300

When a thing gains or loses _____? 

Energy 

400

When something becomes different over time?

Change

400

Energy isn't created or destroyed. therefore, as energy transfers, it increases in one part of the ____ ? 

system 

500

Anything that as mass or takes up space

Mass