PS2: Unit Review - Lessons 1-6

Front

Hot things have ____________ thermal energy than cold things.

Back

more

Front

In an experiment on plants, what are the controlled variables when each plant is given a different liquid?

Back

Type of plant, amount of music, and sunlight.

Front

An amount of kinetic energy an object has depends on:

Back

mass and speed.

Front

Which image shows the higher temperature? (A or B)

Back

B.

Front

The total energy of all the particles of an object is called:

Back

Thermal energy.

Front

What is thermal energy?

Back

The total energy of all the particles in an object.

Front

What factors affect kinetic energy?

Back

Mass and speed.

Front

What is a controlled variable in an experiment?

Back

A variable that is kept constant to ensure a fair test.

Front

What is the difference between kinetic and potential energy?

Back

Kinetic energy is the energy of motion, while potential energy is stored energy based on position.

Front

What is the definition of temperature?

Back

A measure of the average kinetic energy of the particles in a substance.