Q2 Science NC Check-In Review

Front

What happens to the mass of paper when it is torn into pieces?

Back

The total mass of the pieces is the same as the mass of the whole sheet.

Front

What can increase the speed of a marble rolling down a ramp?

Back

Using a smoother board for the ramp.

Front

How can Julia predict the weight of mixed batter?

Back

By adding the weights of each ingredient together.

Front

What is the process called when water vapor turns back into a liquid?

Back

Condensation.

Front

Why does the temperature of a cold pack decrease when liquid and powder combine?

Back

A chemical change occurs.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object.

Front

What is the principle of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance, while a chemical change alters its chemical composition.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is the definition of condensation?

Back

Condensation is the process by which water vapor turns into liquid water.