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Chemical Change

Lesson 3.10 Physical & Chemical Changes

Lesson 3.10 - Physical & Chemical Changes

Lesson 3.10 - Physical & Chemical Changes

Presentation

•

Science

•

12th Grade

•

Medium

Created by

Michael Baker

Used 18+ times

FREE Resource

3 Slides • 36 Questions

1

Chemical vs Physical Properties

2

Multiple Choice

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Is water melting a physical or chemical change?

1

Physical

2

Chemical

3

Multiple Choice

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Is salt dissolving in water a physical or chemical change?

1

Physical

2

Chemical

4

Multiple Choice

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Is digesting your food a physical or chemical change?

1

Physical

2

Chemical

5

Multiple Choice

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Is a burning candle a physical or chemical change?

1

Physical

2

Chemical

6

Multiple Choice

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Is melting iron a physical or chemical change?

1

Physical

2

Chemical

7

Multiple Choice

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Is a car using fuel a physical or chemical change?

1

Physical

2

Chemical

8

Multiple Choice

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Is bending copper wire a physical or chemical change?

1

Physical

2

Chemical

9

Multiple Choice

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Is steam a physical or chemical change?

1

Physical

2

Chemical

10

Multiple Choice

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Are hard boiled eggs a physical or chemical change?

1

Physical

2

Chemical

11

Multiple Choice

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Is adding sugar to your coffee a physical or chemical change?

1

Physical

2

Chemical

12

Multiple Choice

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Physical change or chemical change?

An iron nail rusting.

1

physical change

2

chemical change

13

Multiple Choice

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Physical change or chemical change?

Hydrogen peroxide can decompose into water and oxygen.

1

physical change

2

chemical change

14

Multiple Choice

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Physical change or chemical change?

Baking cookies.

1

physical change

2

chemical change

15

Multiple Choice

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Physical change or chemical change?

Wood burning.

1

physical change

2

chemical change

16

Multiple Choice

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Physical change or chemical change?

The Statue of Liberty made of copper turns green as it tarnishes.

1

physical change

2

chemical change

17

Multiple Choice

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Physical change or chemical change?

Chopping wood.

1

physical change

2

chemical change

18

Multiple Choice

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Physical change or chemical change?

Frying an egg.

1

physical change

2

chemical change

19

Dropdown

A characteristic of a substance that can be observed or measured without changing the identity of the substance:

20

Dropdown

A substances potential to change based on its composition (flammable, caustic, reacts with water):

21

Categorize

Options (6)

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Organize these options into the right categories

Physical change

Chemical change

22

Indicators of a Chemical Reaction

Change in Color
Change in Temperature
Production of a Gas (fizzing and foaming)
Formation of a precipitate
1. (2 liquids react to make a solid)
Production of Light
A new substance with new properties is produced

23

Indicators of a Chemical Reaction

24

Multiple Choice

Which of the following describes a precipitate?

1

a new liquid forms when a solid reactant is heated and melts

2

a new solid product formed from two aqueous reactants

3

a new gas forms when a solid is dissolved in a liquid

4

bubbles form when two aqueous reactants are mixed

5

a new solid forms when an aqueous reactant freezes

25

Multiple Choice

All of the following are indicators of a chemical reaction except one. Which one is NOT an indicator that a chemical reaction has taken place?

1

the production of heat or light

2

a color change

3

the production of gas bubbles

4

the dissolving of one substance in another

5

an odor change

26

Multiple Choice

Evidence of a chemical reactions is anything that shows -

1

a new substance has formed

2

a solid dissolved in a liquid

3

interaction between 2 gases

4

a change in the state of matter

27

Multiple Choice

Which of the following is a chemical change?

1

water freezes to form ice

2

sugar dissolves in water

3

wood burns in a campfire

4

a piece of metal expands when heated

28

Multiple Choice

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a copper penny turning greenish after a few years.

1

Chemical Change

2

Physical Change

29

Multiple Choice

When two substances were combined, bubbles were produced and the temperature dropped. This most likely means that:

1

a chemical reaction took place

2

the two substances had low boiling points

3

one substance dissolved in the other

4

the two substances are non-reactive

30

Multiple Choice

All of the following are indicators of a chemical reaction except one. Which one is NOT an indicator that a chemical reaction has taken place?

1

the production of heat or light

2

a color change

3

the production of gas bubbles

4

the dissolving of one substance in another

31

Multiple Choice

Which of the following would indicate a Chemical Change has occurred?

1

Food left in the fridge too long started to produce an odor

2

Dissolving sugar into your tea.

3

Cutting an orange in half.

4

Boiling water to cook some something later.

32

Multiple Choice

A student left milk in the fridge a month past the expiration date, when they pulled it out of the fridge they noticed the gallon plastic jug was blown up and under pressure from the inside. Did a physical or chemical change occur?

1

physical

2

chemical

33

Multiple Choice

How do you know that rusting is a chemical change?

1

it changes color

2

atoms were rearranged to form a new substance

3

we just know

4

the rust

34

Multiple Choice

True or False: All atoms are created or destroyed in a chemical reaction.

1

true

2

false

3

maybe

35

Multiple Choice

Melting Cheese

1

physical change

2

chemical change

36

Multiple Choice

Burning Wood

1

physical change

2

chemical change

37

Multiple Choice

Milk Souring

1

physical change

2

chemical change

38

Multiple Choice

Wadding up Paper

1

physical change

2

chemical change

39

Multiple Choice

Bicycle Rusting

1

physical change

2

chemical change

Chemical vs Physical Properties

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