Chemical and Physical Changes

Let's Practice!

​Some text here about the topic of discussion.

Multiple Choice

A physical change...

• Changes the physical properties of an object, but does not create a new substance.

• Creates a new substance and cannot be undone.

Multiple Choice

A chemical change...

• Changes the physical properties of an object, but does not create a new substance.

• Creates a new substance and cannot be undone.

Multiple Choice

Is this an example of a physical or chemical change?

• Physical

• Chemical

Multiple Choice

Is this an example of a physical or chemical change?

• Physical

• Chemical

Multiple Choice

Is this an example of a physical or chemical change?

• Physical

• Chemical

Multiple Choice

Is this an example of a physical or chemical change?

• Physical

• Chemical

Multiple Choice

Is this an example of a physical or chemical change?

• Physical

• Chemical

Multiple Choice

Melting a chocolate bar is a...

• Physical change

• Chemical change 

Multiple Choice

Is burning wood a chemical or physical change?

• chemical
• physical

Multiple Choice

Is glass breaking a chemical or physical change?

• chemical
• physical

Multiple Choice

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Multiple Choice

Is spoiling food a physical or chemical change?

• phyiscal
• chemical

Multiple Choice

Is frying an egg a physical or chemical change?

• chemical
• physical

Multiple Choice

Salt dissolves in water

• physical Change
• chemical change

Multiple Choice

A change in which NEW substances are formed.

• Chemical change

• Physical change

Multiple Choice

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

• Crumpling paper

• Sharpening a pencil

• Clothes shrinking in the dryer

• Milk turning sour

Multiple Choice

Which of the following is NOT an example of chemical change?

• Milk turning sour

• Burning wood

• Breaking a pencil

• Metal turning rusty

Multiple Choice

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

• sugar and oxygen reacting to produce water and carbon dioxide
• honey dissolving in tea
• a raw egg being cooked
• metal rusting after being left out in the rain

Multiple Choice

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.
• Dough becomes darker when it is baked into cake.
• A red candy dissolves and turns water pink.
• A match turns black when it is burned.

Multiple Choice

Bubbles form when two or more substances are combined ...

• Chemical Change
• Physical Change

Multiple Choice

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Multiple Choice

A change in the size, shape, or state of matter.

• chemical change
• physical change

Multiple Choice

Which of the following options provides evidence of a CHEMICAL change?

• Wood is burned releasing ash and smoke

• Rocks separate when soil is sifted

• Water turns to ice when you put it in the freezer

• Salt dissolves in water

Multiple Choice

A student mixes yellow powder with water. Which observation would prove a CHEMICAL change occurred?

• The powder DISSOLVED in the water

• The water turned the COLOR yellow

• The bag's TEMPERATURE changed

• The STATE OF MATTER changed

Multiple Choice

Which of the following examples provides evidence of a PHYSICAL change?

• Wood is burned and releases ash and smoke

• Iron rusts over time

• When mixed, baking soda and vinegar form gas bubbles

• A piece of paper changes shape when you rip it up

Multiple Choice

A white tablet is dropped into water. The water becomes cloudy and bubbles are produced. What type of change has occurred?

• Physical change

• Chemical change

• No change

Multiple Choice

When mixing milk and vinegar, a white, chunky, solid substance is formed. What has occurred?

• Physical change: state of matter

• Chemical change: production of a solid

• Physical change: freezing

• Chemical change: rust