Unit 2: Understanding Changes in Matter (7.6C)

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

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

Tags

DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

Which process involves a chemical change?

• Dissolving sugar in water

• Boiling water

• Digesting food

• Freezing water

Tags

DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

Malachi observes a reaction where a gas is produced, and the temperature of the container increases. What type of change is most likely occurring?

• Physical change

• Chemical change

• Both physical and chemical change

• Neither physical nor chemical change

Tags

DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

Which of the following scenarios best illustrates a physical change?

• A nail rusting over time

• A candle burning

• Water evaporating from a puddle

• Bread rising in the oven

Tags

DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

Which of the following is a real-life example of a chemical change?

• Ice melting in a drink

• A car rusting over time

• Salt dissolving in water

• A glass breaking

Tags

DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

Compare the characteristics of physical and chemical changes. Which statement is true?

• Physical changes result in new substances, while chemical changes do not.

• Chemical changes are always reversible, while physical changes are not.

• Physical changes do not alter the chemical composition, while chemical changes do.

• Both physical and chemical changes involve energy changes.

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DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

A student mixes two clear solutions, and a solid precipitate forms. What type of change has occurred?

• Physical change

• Chemical change

• No change

• Phase change

Tags

DOK Level 3: Strategic Thinking

TEKS.SCI.7.6C

Match the following:

• Changes that change the appearances of the substance, not is identify.

• Combustion, Rusting, Burning, Corroding

• Examples of Physical Changes

• Freezing, Grinding, Chopping, Tearing, Evaporating

• Examples of Chemical Changes

• Physical Changes

• changes that cause a substance to change into a new substance

• Chemical Changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Classify the following as Chemical Change or a Physical Change.

Groups:

(a) Physical Change

,

(b) Chemical Change

• Chopping wood

• A bike rusting

• Burning wood

• Ice cube melting

• Steam from a shower

Tags

HS-PS1-2

HS-PS1-7

Organize these options into the right categories

Groups:

(a) Physical Change

,

(b) Chemical Change

• 
• 
• 
• 
• 
• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3