Variables
This variable is changed on purpose by the experimenter.
What is the independent variable?
A system where matter can enter or leave.
What is an open system
The process where a liquid becomes a gas.
What is evaporation?
A piece of matter, big or small.
What is a particle? (atom)
Energy of motion
What is kinetic energy?
This variable responds to changes in the independent variable.
What is the dependent variable
A system where matter cannot enter or leave.
What is a closed system
The process where a gas becomes a liquid.
What is condensation?
Two or more atoms bonded together
What is a molecule?
Energy that is taken in.
What is absorbed energy?
These variables are kept the same throughout the experiment.
What are control variables?
A state of matter with definite shape and volume. Molecules are packed tight together
What is a solid?
The movement of energy from a warmer object to a cooler object.
What is heat?
A state of matter with definite volume but no definite shape. Atoms are close together but still move.
What is a liquid?
The total energy of motion in the particles of a substance. Energy from heat.
What is thermal energy?
A state of matter with no definite shape or volume. Will expand until container stops it.
What is a gas?
Movement of energy from one place or object to another.
What is energy transfer?