Unit 3 Lesson 3 How Can Substances Be Identified

Front

What is solubility?

Back

Solubility is a property that describes whether a substance can dissolve in another substance.

Front

How can we tell substances apart?

Back

We can tell substances apart by identifying their properties.

Front

What are the signs that a new substance is formed?

Back

The signs include color change, smell, release of light, and taking in or giving off heat.

Front

Which material has the highest thermal conductivity?

Back

Metal has the highest thermal conductivity.

Front

What is thermal conductivity?

Back

Thermal conductivity is the ability of a material to conduct heat.

Front

What is electrical conductivity?

Back

Electrical conductivity is the ability of a material to conduct electricity.

Front

What is an example of a property that can help identify a substance?

Back

Solubility is an example of a property that can help identify a substance.

Front

What happens when a substance rusts?

Back

Rusting is a chemical reaction that forms a new substance, typically iron oxide.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed without changing its identity.

Front

What is a chemical property?

Back

A chemical property describes a substance's ability to undergo a specific chemical change.