1
A person who designs and builds things to solve problems
Engineer
Parts that work together
System
A very small group of atoms joined together
Molecule
Something that can be used to meet a need or solve a problem
Resource
A description that tells how or why something happened
Explanation
Where something comes from
Source
All the living things on Earth
Biosphere
All the water on Earth
Hydrosphere
To put information together to make a new idea
Synthesize
Water in the air in gas form
Water Vapor
The layer of gases that surrounds Earth
Atmosphere
When water vapor cools and changes into liquid water
Condensation
When liquid water changes into water vapor
Evaporation