Chemical and physical change

Chemical and physical change

Learning the differences between them

Physical change

A physical change is the rearrangement of particles.

Physical change is still the same.

Vocabulary words you may see for physical changes

Any word on the phase diagram including boiling, sublimation, deposition, density

Multiple Choice

freezing chocolate covered bananas

• physical change
• chemical change

Multiple Choice

mowing the lawn

• physical change
• chemical change

Multiple Choice

melting ice cream

• physical change
• chemical change

Multiple Choice

Which of the following is represented by point 3 on the graph above. 

• Gas heating
• Sublimation
• Liquid Heating
• Evaporation

Multiple Choice

Which is an example of a physical change?

• Cooking

• Buring Wood

• Ripping paper

• Digesting Food

Multiple Choice

Water boiling is a _______ change. 

• Physical Change 
• Chemical Change 

Multiple Choice

Evidence of a physical change.

• New substance
• Shape Change
• Light produced
• Gas released.

Chemical Change

A chemical change results in the formation of different substances with changed properties.

There are 4 ways to tell if a chemical reaction has taken place. Not all 4 Have to happen, only 1needs to occur.

• Gas given off

• temperature change

• color change

• a precipitate (ppt) is made .. this is when 2 liquids combine and a solid is formed

Chemical change vocabulary words you may see

Combustion

Reacting

Rusting

Oxidizing

Decomposing

Multiple Choice

Baking soda and vinegar combine to make carbon dioxide

• Chemical Change
• Physical Change

Multiple Choice

Wood burned in a fireplace

• Chemical Change
• Physical Change

Multiple Choice

Which best describes a chemical change in paper?

• filing paper
• mailing paper
• burning paper
• cutting paper in half

Multiple Choice

Which of these is an example of a new substance being formed?

• a nail rusting
• a wall being painted
• water changing to steam
• paper being folded

Multiple Choice

A characteristic that can only be determined by changing the identity of an object. 

• Physical Change
• Chemical Change
• Chemical Property 
• Physical Property 

Multiple Choice

A chemical reaction accompanied by the absorption of heat. 

• Chemical Change
• Physical Change
• Endothermic Reaction
• Exothermic Reaction 

Multiple Choice

Fireworks Exploding are a ________ change.

• Physical Change
• Chemical Change

Multiple Choice

Evidence of Chemical Change.

• New Substance 
• Size change
• State change
• Mixture 

REVIEW

Answer the following questions to see if you can tell the difference between a chemical and physical change

Multiple Choice

8. Water boils at 100 degrees Celsius
 

• Physical Change
• Chemical Change

Multiple Choice

1. Sugar dissolves in warm water
 
 

• Physical change
• Chemical Change

Multiple Select

which one is not an indicator of a chemical change

• formation of gas

• formation of a solid

• formation of liquid

• change of colour

• change in temperature

Multiple Choice

is the picture chemical or physical

• chemical

• physical

Multiple Choice

which of these example is a physical change?

Multiple Choice

Fizzing, foaming, and burning are all examples of

• Chemical change
• Physical change

Multiple Choice

Change in color is a physical change.

• True

• False

Multiple Choice

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Multiple Choice

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• rust

Multiple Choice

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Multiple Choice

Is hammering wood to build a treehouse a physical or chemical change?

• physical change

• chemical change

Multiple Choice

Grass grows 

• chemical change 
• physical change

Multiple Choice

Melting a chocolate bar is an example of a(n)  ______________ .

• physical change
• chemical change 
• photosynthesis
• heredity

Multiple Choice

Rotting bananas is an example of a(n) ___________ .

• physical change
• chemical change
• heredity
• cloning

Multiple Choice

Freezing juice is an example of a(n) ________

• physical change
• chemical change
• chemical reaction
• heredity

Multiple Choice

Photosynthesis is an example of a

• physical change
• chemical change

Multiple Choice

When you burn toast, the results are a 

• Chemical change
• Physical change

Multiple Choice

A ___________ change leads to the formation of a different substance.

• Physical change
• Chemical change

Multiple Choice

Pancakes frying on a griddle is an example of a

• Physical change
• Chemical change

Multiple Choice

A rusty bike shows a 

• Chemical change
• Physical change

Multiple Choice

Water that is heated and changed to steam is a 

• Physical change
• Chemical change

Multiple Choice

Melting butter to pour over popcorn is a 

• Chemical change
• Physical change

Multiple Choice

Is this a Chemical or a Physical change?

Fireworks

• Chemical

• Physical

• Both

• Neither

Multiple Choice

Which of the following isn't a chemical change?

• digesting food

• boiling water

• fireworks

• baking bread

Multiple Select

Select the properties of a physical change!

• Color

• Shape

• Size

• Bubbles

• Temperature

Multiple Choice

Glass bottle that is shattered

• Chemical Change
• Physical Change

Multiple Choice

Cake batter baked in an oven

• Chemical Change
• Physical Change

Multiple Choice

Water freezing

• Chemical Change
• Physical Change

Multiple Choice

Burning a piece of paper is an example of a

• Physical Change

• Chemical change

Multiple Choice

Heating a solid until it changes color and produces an odor, and noting the solid cannot be changed back is an example of

• Physical Change

• Chemical Change

Multiple Choice

Which of the following is a chemical change?

• Cutting bread

• Slicing carrots

• Melting butter

• Soured milk

Multiple Choice

Scrambling eggs is an example of

• A physical change

• A chemical change

• Solution

Multiple Choice

An example of a liquid changing to a gas is

• Wood burning

• Paper tearing

• A pot of boiling water

• A lake freezing in the winter

Multiple Choice

Burning a piece of paper is an example of a

• Physical Change

• Chemical change

THE END

Nice job :) !