Observing Chemical Change

Changes in matter can be described in terms of physical changes and chemical changes.

• true

• false

Tags

NGSS.MS-PS1-2

A _________ property is a characteristic of a substance that can be observed without changing the substance into another substance

List some examples of physical properties of matter

Answer explanation

Color, hardness, texture, shine and flexibility

The ability of a substance to dissolve in water and how well it conducts heat/ electricity are examples of physical properties.

• true

• false

A ________ property is the characteristic of a substance that describes it ability to change into other substances.

To observe the chemical properties of a substance, what must you do?

Answer explanation

You must change it into another substance

What is an example of a chemical change?

• burning

• tarnishing

• rusting

• chopping

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a physical change?

Answer explanation

Any change that alters the form or appearance of a substance but, does not make the substance into another

What some examples of physical changes?

• bending

• crushing

• breaking

• cutting

A change in matter that produces one or more new substances is a _________ change, or a ________ reaction.