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Physical and chemical change lesson

Physical and chemical change lesson

Assessment

Presentation

Science

6th - 8th Grade

Practice Problem

Easy

NGSS
MS-PS1-2, MS-PS1-4, 5-PS1-2

+2

Standards-aligned

Created by

Julie Gaudioso

Used 38+ times

FREE Resource

8 Slides • 14 Questions

1

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Molecules stay the same.

Changing states of matter.

Nothing new is formed.

A physical change

3

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A new substance is formed.

Molecules are changing.

Cannot be reversed

A Chemical Change

4

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Here is a picture of a wood pile. When might it go through a physical change and chemical change? Let's discuss each.

​Whats different?

Compare and contrast.

5

Multiple Choice

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Is chopping wood a physical change or chemical change?

1

physical

2

chemical

6

Multiple Choice

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Is burning wood a physical change or a chemical change?

1

physical

2

chemical

7

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​Is the item going through a physical change or a chemical change!

Lets identify

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9

Multiple Choice

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What is cutting hair?

1

physical change

2

chemical change

10

Multiple Choice

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What type of change is dying hair?

1

physical change

2

chemical change

11

Fill in the Blank

When a new substance is formed this is a _____ change

12

Fill in the Blank

When only the matter changes, but the substance is the same, this is called ___________ change

13

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14

Open Ended

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YOUR TURN: What type of change is going on in this photo? A physical change or a chemical change? WHY? (a new substance is formed or the substance stays the same just the matter changes?

15

Open Ended

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Let's try another: What type of change is going on in this photo? A physical change or a chemical change? WHY? (a new substance is formed or the substance stays the same just the matter changes?

16

Open Ended

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KEEP GOING: What type of change is going on in this photo? A physical change or a chemical change? WHY? (a new substance is formed or the substance stays the same just the matter changes?

17

Open Ended

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LAST ONE: What type of change is going on in this photo? A physical change or a chemical change? WHY? (a new substance is formed or the substance stays the same just the matter changes?

18

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19

Multiple Choice

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Which picture shows the log going through a physical change?

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20

Multiple Choice

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Which picture shows a banana going through a physical change

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21

Multiple Choice

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Which picture shows an apple going through a physical change?

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22

Multiple Choice

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Which picture shows an egg going through a physical change?

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2
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