Q2 Practice Generated

Front

What happens to a substance when heat is transferred to it?

Back

The substance can change from a liquid to a gas.

Front

What form of energy travels in straight lines?

Back

Light.

Front

Which material does light travel fastest through?

Back

Air.

Front

What occurs when a hot spoon is placed in cold ice cream?

Back

The ice cream will melt because heat will flow from the spoon to the ice cream.

Front

What does the Law of Conservation of Energy state?

Back

Energy cannot be created or destroyed, only transformed.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids and gases).

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves.

Front

What is the boiling point of water?

Back

100 degrees Celsius (212 degrees Fahrenheit) at sea level.

Front

What is the freezing point of water?

Back

0 degrees Celsius (32 degrees Fahrenheit) at sea level.