7th Grade: Physical and Chemical Properties Review

Front

What occurs when one or more substances change to produce one or more different substances?

Back

Chemical reaction

Front

What is a property that requires a chemical interaction to observe?

Back

Chemical property

Front

What is a large amount of something?

Back

Bulk quantities

Front

What has definite composition and properties?

Back

Pure substance

Front

What is a property that is observed without making changes to the substance?

Back

Physical property

Front

If a chemical reaction occurs, the properties of substances before and after the substances interact must be [BLANK]

Back

different

Front

What is a property that can be used to identify an unknown substance?

Back

Density

Front

When a chocolate bar melts, the chemical properties of that substance are [BLANK]

Back

the same

Front

What is similar about physical and chemical properties of matter?

Back

Both can be used to identify a substance