Physical Science Fall Final Review

Front

As the frequency of light waves increases, what happens to the energy?

Back

The energy increases.

Front

What is a machine?

Back

A device that can multiply or change the direction of an input force.

Front

Which of the following is not in the inclined plane family: a wedge, a screw, a ramp, or a wheel and axle?

Back

A wheel and axle.

Front

When an object moving forward slows down, what type of acceleration does it experience?

Back

Negative acceleration.

Front

According to the law of reflection, how does the angle of incidence compare to the angle of reflection?

Back

The angle of incidence is equal to the angle of reflection.

Front

What is the relationship between wavelength and frequency in light waves?

Back

As frequency increases, wavelength decreases.

Front

What is kinetic energy?

Back

The energy an object possesses due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.

Front

What is the formula for calculating kinetic energy?

Back

KE = 1/2 mv², where m is mass and v is velocity.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.