Matter

Front

What is friction?

Back

Friction is a force that occurs when two objects rub against one another.

Front

What is a particle?

Back

A particle is a small portion of matter that cannot be seen unless magnified.

Front

Why does ice melt in your hand?

Back

Heat moves from your hand to the ice cube, causing it to melt.

Front

Why didn't the paper towel get wet in the water experiment?

Back

Air in the cup takes up space, preventing the paper towel from getting wet.

Front

What is energy?

Back

Energy is a property of matter that comes in many forms, such as heat, light, sound, and motion.

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.

Front

What happens to matter when it is heated?

Back

When matter is heated, its particles move faster and may change state (e.g., solid to liquid).

Front

What is the state of matter?

Back

The state of matter refers to the distinct forms that different phases of matter take on, such as solid, liquid, and gas.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.