S1 Final

Front

What medium allows sound waves to travel the fastest?

Back

Gold

Front

How do sound waves in front of a jet compare to those behind it?

Back

The sound waves in front would be higher pitched.

Front

What is the energy transformation that occurs when solar panels receive electricity?

Back

Nuclear energy → light energy → electrical energy

Front

What is an example of acceleration?

Back

A car turning.

Front

Explain the Law of Conservation of Energy in relation to a pendulum that stops due to air resistance.

Back

Energy is not destroyed, just changed from potential energy to thermal energy.

Front

What is sound?

Back

Sound is a type of energy made by vibrations.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy, while kinetic energy is energy of motion.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces in contact.

Front

What is the speed of sound in air?

Back

Approximately 343 meters per second at 20°C.

Front

What is the principle of energy conservation?

Back

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