Matter

Front

What is matter?

Back

Matter is anything that takes up space and has mass.

Front

What type of change occurs when a bike rusts?

Back

A rusty bike shows a chemical change.

Front

Is melting butter for popcorn a chemical or physical change?

Back

Melting butter for popcorn is a physical change.

Front

Where are protons and neutrons found in an atom?

Back

B and C (protons and neutrons) are found in the nucleus of an atom.

Front

What happens to water when it freezes?

Back

Water freezing is a physical change.

Front

What is the definition of a chemical change?

Back

A chemical change is a process where substances transform into different substances with new properties.

Front

What is the definition of a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What is the difference between mass and weight?

Back

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

Front

What is density?

Back

Density is the mass of an object divided by its volume.