7.PS1.3 Passage with Questions

Front

What results from the interaction of two pure substances?

Back

A new substance with new physical properties.

Tags

NGSS.MS-PS1-2

Front

What is a characteristic of a mixture?

Back

Each component retains its physical properties.

Front

What happens when two pure substances do not interact chemically?

Back

They form a mixture.

Front

What distinguishes a mixture from a new substance?

Back

Each part of a mixture keeps its own properties.

Front

How can you separate iron filings from sand in a mixture?

Back

Using a magnet.

Front

What is a pure substance?

Back

A material made of only one type of particle, having consistent properties throughout.

Tags

NGSS.MS-PS1-4

Front

What is a mixture?

Back

A combination of two or more substances where each retains its own properties.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has visibly different substances.

Front

Can mixtures be separated by physical means?

Back

Yes, mixtures can be separated by physical means such as filtration, evaporation, or using a magnet.

Front

What is an example of a homogeneous mixture?

Back

Saltwater is an example of a homogeneous mixture.