Signs of a Chemical Change

When bananas ripen a chemical change is taking place. Which sign do you see?

• change of color

• odor

Tags

NGSS.5-PS1-4

Identify the sign that a chemical change is happening in a glass of water with an antacid.

• rust

• bubbles

• odor

Tags

NGSS.MS-PS1-2

A sign of a chemical change on a peace of iron that has an orange colour?

• light

• bubbles

• rust

• heat

Tags

NGSS.MS-PS1-2

What is a common sign that a chemical change has taken place when cooking food?

• The food changes shape.

• The food changes colour and releases a new smell.

• The food becomes colder.

• The food becomes softer.

Tags

ONTARIO.SCIENCE.5.C2.5

What is a sign that a chemical change has occurred when silver tarnishes?

• The silver becomes shinier.

• The silver changes colour and forms a new substance on its surface.

• The silver becomes softer.

• The silver becomes heavier.

Tags

ONTARIO.SCIENCE.5.C2.5

What are four signs of a chemical change?

b

c

d

e

Bubbles Form

Color Change

Increase in job worker.

Solid's pertacipate form

Temperature Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

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

• A piece of paper is cut into smaller pieces.

• A piece of iron rusts over time.

• Water boils and turns into steam.

• Ice melts into water.

Tags

ONTARIO.SCIENCE.5.C2.5

List the 7 signs of a chemical change. ( City Girls Like Their Phones On)

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a chemical change in cooking?

• Chopping vegetables

• Boiling water

• Baking a cake

• Freezing juice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Match the following images with what signs of a chemical change are presented.

• Precipitate

• 
• Color Change

• 
• Temperature Change

• 
• Gas Production

• 
• Light Production

• 

Tags

NGSS.MS-PS1-2