Chapter 3 Modern Chemistry

Are made from a combination of 2 or more elements...

• Molecules
• Pure Substances
• Compounds
• Elements

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A combination that can be separated by physical processes is a .....

• Pure Substance
• Glucose
• Element
• Mixture

A mixture that is NOT evenly distributed is called ....

• Compounded
• Homogenous
• Heterogenous
• Salty

Changing the phase, size or shape of something....

• Chemical change
• Physical Change
• Suspension
• Colloid

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If you change a substance into a new substance...

• Partial Change
• Physical Change
• Chemical Change
• Freezing

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Which is NOT a chemical change?

• Leaves changing colors in the fall
• Iron rusting
• Digesting Lunch
• Ice Melting

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Any characteristic of a material, such as shape or size, that you can observe or attempt to observe without changing the identity of the material.

• physical change
• chemical change
• physical property
• chemical property

Mixture, such as mixed nuts or dry soup mix, in which different materials are unevenly distributed and are easily identified.

• suspension
• homogeneous mixture
• heterogeneous mixture
• colloid

Substance with atoms that are all alike.

• element
• compound
• homogeneous mixture
• heterogeneous mixture

Which of the following is not a clue that a chemical change is taking place?

• rapid release of energy (heat, light, or sound)
• phase change
• formation of bubbles
• formation of a precipitate from solution

Tags

NGSS.MS-PS1-2