Properties and Changes of Matter Part 1

Front

What is 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

Does a physical change alter the identity of a substance?

Back

No, a physical change does not change the identity of the substance.

Front

What is mass?

Back

Mass is the amount of matter in an object.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that can only be observed during a chemical reaction, such as reactivity.

Front

Which of the following is a chemical property: flammability, density, or malleability?

Back

Flammability is a chemical property.

Front

What are physical properties?

Back

Physical properties are characteristics of a substance that can be observed without changing its identity, such as color, density, and melting point.

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 does it mean for a substance to be malleable?

Back

A malleable substance can be hammered or pressed into shape without breaking.

Front

What is reactivity in terms of chemical properties?

Back

Reactivity refers to how readily a substance combines chemically with other substances.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.