Science Vocabulary Flashcards
System
A set of parts that work together (interact) toward a goal or outcome.
Evaporation
The process where water slowly changes from a liquid to a gas and single molecules of water leave the surface to go into the air at one time
Model
A representation we use to understand or describe a phenomenon
Independent variable
A variable that is changed
Dependent Variable
A variable that is affected by the change
Open System
Matter can get in and out of it though opening in the system
Closed System
No matter can get or out of the system
Condensation
The process in which water is it’s gaseous form is changed into liquid water
transparent
A material that allows light to pass through so that objects behind can be seen
Opaque
A material that does not allow light to pass through, not transparent
Reflected Light
When light bounces off an object
Kinetic Energy
The energy of movement
Temperature
The measure of average kinetic energy of particles in a substance
Thermal Energy
The motion of particles in a substance
Heat
A transfer of energy from warmer substances to colder substances