Matter & Mass Practice Flashcard

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is mass?

Back

Mass is the amount of matter in an object, usually measured in grams or kilograms.

Front

What happens to gases when they are heated?

Back

When gases are heated, they expand.

Front

What happens to gases when they are cooled?

Back

When gases are cooled, they contract.

Front

What is a convection current?

Back

A convection current is a movement of fluid (liquid or gas) caused by differences in temperature and density.

Front

Does tearing paper change its mass?

Back

No, tearing paper does not change its mass; the total weight remains the same.

Front

What happens to the mass of water when it freezes?

Back

The mass of the ice formed is the same as the mass of the water before it froze.

Front

How do you calculate the weight of a sandwich?

Back

Add the weight of all ingredients together.

Front

Why does a metal ice cream scoop work better than a plastic one?

Back

A metal ice cream scoop heats more quickly than a plastic scoop when dipped in warm water.

Front

What is the principle of conservation of mass?

Back

The principle states that mass cannot be created or destroyed in a closed system.