Physical and Chemical Change Notes - Neil Hess | Biblioteka

Here is a video of Mr. Hess going through the notes.

Please use the presentation below, to complete the note sheet located here (https://docs.google.com/document/d/10DTWBlTOG1-WLesDLGrPsbl5TraFbNSIs5ivExK3RdI/edit?usp=sharing) .

When you are done with the note sheet, upload a picture of it to the "Show your Work" section below.

Here is the presentation.

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Submit a picture of your completed note sheet here

MS-PS1-2

1

What happens during a physical change?

The matter changes into a new substance

Only the appearance or state of the matter changes

The atoms rearrange into a new molecule

Energy is always released in the form of heat

1

What stays the same in a physical change?

The size of the substance

The smell of the substance

The chemical composition of the substance

The texture of the substance

1

Which is an example of a physical change?

Melting ice cream

Burning wood

Baking bread

Iron rusting

1

What is a clue that a physical change has occurred?

A new odor appears

Shape changes

Gas is produced

Color changes

1

What is a chemical change?

A change in the size of a substance

A change in the volume of matter

A change in temperature

A change that produces a new substance

1

What happens when yeast is added to dough?

The yeast reacts with sugar and releases carbon dioxide

The dough changes color

The dough freezes

The yeast cools the dough

1

Which of the following is a clue of a chemical change?

Cutting paper

Formation of a gas

Freezing water

Melting metal

1

What does the Law of Conservation of Mass state?

Matter can disappear in a chemical change

Mass can be created during reactions

Matter is not created or destroyed, only changes form

Only gases follow this law

1

Why is sugar dissolving in water a physical change?

Because the sugar chemically reacts with water

Because a gas is produced

Because the sugar forms a new substance

Because the sugar molecules stay intact and mix with water