7th Grade Q2 QSE Review: 7.7D 7.8A 7.8C

Front

Heat transfers from an area of ____ temperature to an area of ___ temperature.

Back

High to low.

Front

What is an example of an unbalanced force?

Back

An unbalanced force occurs when the total force acting on an object is not zero, causing the object to accelerate.

Front

__ is the transfer of energy in the form of electromagnetic waves.

Back

Radiation.

Front

Kinetic energy is the energy of __________.

Back

Motion.

Front

Is this force balanced or unbalanced?

Back

Balanced.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Front

What is the definition of temperature?

Back

Temperature is a measure of the average kinetic energy of the particles in a substance.

Front

What is an example of balanced forces?

Back

Two people pushing a car with equal force in opposite directions.

Front

What is the formula for kinetic energy?

Back

Kinetic energy (KE) = 1/2 mv², where m is mass and v is velocity.