Unit 1A Review

Key Vocabulary: ________________________: ability to burn.

• flammability

• solubility

• density

• malleability

Key Vocabulary: ________________________: ability to react chemically with another substance.

• density

• reactivity

• conductivity

• solubility

Tags

NGSS.MS-PS1-2

mass per unit volume.

• density

• volume

• mass

• weight

Key Vocabulary: ________________________: heat needed to change temperature.

• thermal expansion

• latent heat

• conduction

• specific heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Key Vocabulary: ________________________: can be observed without chemical change.

• chemical property

• physical property

• solution

• mixture

describes chemical reactions.

• physical property

• mixture

• chemical property

• element

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Physical change: Changes in form or state _______________ altering the chemical composition.

• without

• with

• by

• after

Physical Changes:
Examples: _______________, _______________, _______________, _______________.

• melting, freezing, boiling, cutting

• burning, rusting, tarnishing, rotting

• digesting, fermenting, corroding, exploding

• baking, cooking, souring, decomposing

In physical changes molecules __________________________ substance.

• change into another

• stay the same

• become larger than

• disappear from the

Tags

NGSS.MS-PS1-4

Physical changes are often __________________________.

• invisible

• flammable

• reversible

• magnetic