Physical Changes

Multiple Choice

What are the three states of matter?

• gas, liquid, mass

• solid, liquid, gas

• mass, solid, magnet

• density, volume, mass

Learning Objectives

• Define physical change.

• Give examples of physical change.

Multiple Choice

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• physical change

• chemical change

• elemental change

Physical Change

• Change to matter in which some properties of the material change, but the identify of the matter does not change.

• For example, melting (solid to a liquid) is an example of a physical change.

• Physical changes can be reversible (they can be undone) or irreversible (they cannot be undone)

Multiple Choice

What is the example of the physical change?

• Burning firewood

• Rotting Banana

• Pencil breaking

Multiple Choice

Which of the following is an example of a physical change?

• A glass falling and shattering on the floor.

• Baking a birthday cake.

• Burning a piece of paper.

• Baking soda and vinegar mixing together.

Open Ended

Can you think of two examples of physical changes that were not already mentioned?

Multiple Choice

What happens when chocolate is left in a hot car?

• it melts
• it changes shape
• it changes from a solid to a liquid
• all of the above

Multiple Choice

When we cut a piece of paper into triangles, which physical properties change?

• The smell and taste

• The texture and smell

• The size and shape

Multiple Choice

When you fold a piece of paper, which physical property changes?

• The color

• The texture

• The size

Multiple Choice

Melting

• change of state from solid to liquid

• change of state from liquid to solid

Multiple Choice

Melting

• change of state from solid to liquid

• change of state from liquid to solid

Multiple Choice

melting

• change of state from solid to liquid
• change of state from liquid to solid

Multiple Choice

freezing

• change of state from solid to liquid
• change of state from liquid to solid

Multiple Choice

Solid can change into a liquid when it's .......

• cooled

• burned

• heated

• freezed

Multiple Choice

We can change the orange fruit to juice

• true

• false

Multiple Choice

Burnt paper can return to be a white paper again

• False

• True

Multiple Choice

How can you make water a solid?

• Heat it

• Cool it

Multiple Choice

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• chemical change

• physical change

• elemental change

Multiple Choice

Blue liquid and yellow liquid mixed to make a green liquid

• Chemical Change
• Physical Change

Multiple Choice

Ice melting

• Chemical Change
• Physical Change

Multiple Choice

Water freezing

• Chemical Change
• Physical Change

Multiple Choice

Glass bottle that is shattered

• Chemical Change
• Physical Change

Multiple Choice

Shredding a piece of paper

• Chemical Change
• Physical Change

Multiple Choice

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Multiple Choice

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical

Multiple Choice

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Multiple Choice

Is making salt water to gargle with a physical or chemical change?

• physical
• chemical

Multiple Choice

An gel ice pack getting cold after you put it in the freezer for an hour.

• Chemical Change
• Physical Change

Multiple Choice

Using dye to change the color of a shirt green.

• Chemical Change
• Physical Change

Multiple Choice

What kind of change is cutting paper?

Multiple Choice

What kind of change is breaking a window?

Multiple Choice

What kind of change is a melting popsicle?

Multiple Choice

What kind of change is freezing water into ice cubes?

Multiple Choice

What kind of change is crushing a soda can?

Multiple Choice

What kind of change is cutting your hair?

Multiple Choice

What kind of change is squeezing juice out of an orange?

Multiple Choice

Boiling water

• Chemical Change
• Physical Change

Multiple Choice

Solids have...

• a fixed shape and a fixed volume

• a fixed shape but can change volume

• No fixed shape but a fixed volume

• no fixed shape or volume

Multiple Choice

What am I? I have a fixed mass, a fixed volume, I cannot be squashed and I have a shape that changes to fit the bottom of my container?

• solid
• liquid
• gas
• plasma

Multiple Choice

Why does the liquid inside a thermometer rise?

When the thermometer heats up, the liquid inside ...... because the particles move about ........

• expands, less quickly

• expands, more quickly

• contracts, less quickly

• contracts, more quickly

Multiple Choice

We use this process to change water from solid to a liquid.

• freezing

• melting

• evaporating

Multiple Choice

Which of the following would be considered a physical change?

• Cutting paper

• pH test

• Burning marshmellow

• Roasting a Turkey

Multiple Choice

Which of the following would be considered a physical property?

• Colour

• Flammability

• pH

• Reactivity

Multiple Choice

A change from a solid to liquid is

• freezing

• melting

• evaporation

• condensation

Multiple Choice

Solid can change into a liquid when it's .......

• cooled

• burned

• heated

• freezed

Multiple Choice

Which of the following is not a physical change?

• folding paper

• cutting paper

• burning paper

• coloring on paper

Multiple Choice

What change happens when water mixes with sugar?

• The appearance of sugar changes.

• The shape of water changes

• The taste of sugar changes

• The state of water changes

Multiple Choice

Spread out uniformly in a liquid.

• dissolve

• mixture

• solution

• soilid

Multiple Choice

TRUE OR FALSE:

Matter can undergo changes in its state.

• FALSE

• TRUE

Multiple Choice

TRUE OR FALSE :

Physical change happens if a material change its appearance without changing its composition.

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE:

Cutting and folding a paper is an example of physical change.

• TRUE

• FALSE

Multiple Choice

TRUE OR FALSE:

Burning of wood is an example of physical change.

• TRUE

• FALSE

Multiple Choice

What factor causes the materials to change in phase or state?

• color

• shape

• length

• temperature

Multiple Choice

What is the best way to change the size and shape of wood?

• cutting

• molding

• folding

• crumpling

Multiple Select

Which of the words below describe physical changes?

• freeze

• break

• melt

• all of the answers describe physical changes

• none of the answers describe physical changes

Multiple Choice

Water boils and becomes water vapor. Is this a reversible or irreversible physical change?

• reversible

• irreversible

Multiple Choice

Which number shows the particles as a gas?

• 1

• 2

• 3

Multiple Choice

Which number shows the particles as a solid?

• 1

• 2

• 3

Multiple Choice

A change that alters the identity of a substance, resulting in a new substance or substances with different properties is a ____________.

• physical change

• chemical change

• physical property

• production of gas

Multiple Choice

Changing materials into different shapes or smaller pieces is a ___________

• physical change

• physical properties

• chemical change

• production of heat or light

Multiple Choice

Cutting paper is an example of a chemical change.

• True

• False