Grade 4: Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is the property of color in matter?

Back

Color is a property that describes the appearance of an object, which can help differentiate between different types of matter.

Front

What is mass?

Back

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

Front

What is volume?

Back

Volume is the amount of space that a substance occupies, measured in liters or cubic centimeters.

Front

What is density?

Back

Density is the mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

What happens to iron when it rusts?

Back

When iron rusts, it reacts with oxygen and moisture in the air, forming iron oxide, which is reddish-brown.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting certain metals like iron.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is a physical change?

Back

A physical change is a change in the form or appearance of matter without changing its chemical composition.