A solid substance dissolves in a beaker of water

Physical and Chemical Changes (Middle School)

CHEMICAL CHANGE
Sign: Precipitate formation

Two solutions are mixed and a white solid is formed

Changing from a liquid to a gas is a PHYSICAL CHANGE

A liquid is placed onto a hot plate and begins to evaporate

An iron nail that is gray rusts causing it to become orange

Changing from a solid to a liquid is a PHYSICAL CHANGE

A block of ice melts sitting outside on a warm day

CHEMICAL CHANGE
Sign: Temperature increase

Two solutions are mixed and begin to get very warm as they give off heat

Changing size and shape is a PHYSICAL CHANGE

A glass beaker shatters after being dropped on the floor

A solid substance is placed into a liquid and bubbles quickly form

CHEMICAL CHANGE
Signs: Color change and gas formation

Sugar is burned causing it to turn black and give off a gas

CHEMICAL CHANGE
Sign: Temperature decrease

Two solutions are mixed together and begin to get very cold as they absorb heat

Study with Quizlet and memorize flashcards containing terms like A solid substance dissolves in a beaker of water, Two solutions are mixed and a white solid is formed, A liquid is placed onto a hot plate and begins to evaporate and more.

Physical and Chemical Changes (Middle School) Flashcards

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