Wayground Notes - Chemical Changes

Instructions: Using your paper handout in class, fill in the blanks by reading this presentation. There will be comprehension questions throughout the presentation.

Multiple Choice

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

• Burning wood to produce ash

• Rusting of iron

• Melting ice to form water

• Baking a cake

Multiple Choice

Physical or Chemical change?
sodium metal is cut with a knife

• Physical 
• Chemical

Multiple Choice

Which of the following is NOT a chemical property?

• Reaction to acid

• Combustibility

• Ability to rust

• Melting point

Open Ended

Explain the difference between combustibility and flammability, and give an example of each.

Multiple Choice

A change in which NEW substances are formed.

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

Multiple Choice

The ability to rust is a

• Physical property

• Chemical property

Open Ended

Describe how chemical changes differ from physical changes, using examples from the images.

Multiple Choice

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

• Chemical Change
• Physical Change

Multiple Choice

Which of the following changes are reversible?

• States of matter

• Burning

• Rusted metals

• Heating food

Multiple Choice

Did a chemical change take place?

• yes

• no

Multiple Choice

Which of the following is NOT a signal that a chemical change has occurred?

• Gas is produced

• Temperature change

• Energy is released as light

• Shape change

Multiple Select

Which of the following are chemical properties? (Select 3)

• reacts to an acid

• has mass

• combustibility

• has volume

• ability to rust

Multiple Choice

What gases are produced when electricity is sent through water?

• Oxygen and hydrogen

• Carbon dioxide and oxygen

• Nitrogen and hydrogen

• Methane and oxygen

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Open Ended

Explain how burning a candle demonstrates both a physical change and a chemical change.

Multiple Choice

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

• chemical change
• physical change

Drag and Drop

fireworks exploding ​

Placeholder

Drag these tiles and drop them in the correct blank above

chemical change

physical change

Multiple Select

Which of the following are examples of chemical changes?

• Burning wood

• Melting ice

• Digesting food

• Rusting iron

Open Ended

Reflecting on today's lesson, what is one example of a physical change you observed or learned about, and how does it differ from a chemical change?