Properties of Matter

To be classified as matter a substance must have mass & volume.

• True
• False

Which of the following would be considered pure substances?

• elements only
• compounds only
• elements & compounds
• all matter

A homogeneous mixture has distinct layers or phases.

• True
• False

A pure substance is __________.

• a homogeneous mixture
• matter that has different compositions and properties throughout
• matter that has the same composition and properties throughout
• a heterogeneous mixture

How can compounds be changed into simpler substances?

• by physical separation
• by chemical changes
• they cannot be changed
• by physical reactions

What is a pure substance that cannot be broken down into other substances by chemical or physical means?

• compound          
• atom
• mixture 
• element

This diagram represents a _____.

• pure substance that is a compound
• mixture of elements
• pure substance that is an element
• mixture of compounds

Italian Salad Dressing is a . . .

• heterogeneous mixture
• homogeneous mixture
• Pure Substance
• Compound

How can mixtures be separated?

• by chemical means
• by physical means
• by chemical reactions
• they cannot be broken down

When different substances are mixed together, they...

• retain their individual properties
• take on new properties
• become one substance with all the same properties
• become a compound

Tags

NGSS.MS-PS1-2