Exploring Physical and Chemical Changes in Chemistry

What remains unchanged when a glass bottle breaks?

• The shape of the bottle

• The material composition

• The size of the bottle

• The chemical properties

Tags

NGSS.MS-PS1-1

What is the result of cutting vegetables in terms of change?

• Biological change

• Chemical change

• No change

• Physical change

What happens when sugar is dissolved in water?

• A new substance is formed

• The sugar loses its sweetness

• It's a chemical change

• It's a physical change

Tags

NGSS.MS-PS1-4

Which process does not create a new substance?

• Melting ice into water

• Burning wood

• Digesting food

• Respiration

Tags

NGSS.MS-PS1-4

What is the outcome of boiling water?

• Formation of a new substance

• Physical change to steam

• Solidification into ice

• Chemical reaction occurs

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What remains constant during the freezing of water?

• The temperature

• The physical state

• The chemical composition

• The volume

Tags

NGSS.MS-PS1-4

What is produced when wood is burned?

• All of the above

• Water and carbon dioxide

• Ash and smoke

• Heat and light

During digestion, what happens to carbohydrates?

• They are broken down into glucose

• They remain unchanged

• They are stored as fat

• They are expelled as waste

Tags

NGSS.MS-LS1-7

What is a byproduct of respiration?

• Oxygen

• Carbon dioxide and water

• Nitrogen

• Hydrogen

Tags

NGSS.MS-LS2-3

Which of the following is a chemical change?

• Burning wood

• Freezing water into ice

• Dissolving sugar in water

• Melting ice into water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5