Reversible and Irreversible changes Wk4

Cookie dough in an oven is an example of what kind of change?

• irreversible change

• reversible change

• no change

Tags

NGSS.MS-PS1-4

What is an example of OXIDATION?

• Rusting of iron (formation of iron oxide) is an example of oxidation.
• Photosynthesis in plants is an example of oxidation.
• Burning of wood (combustion) is an example of oxidation.
• Dissolving salt in water is an example of oxidation.

Lighting a match is an example of what kind of change?

• Irreversible change

• Mechanical change
• Reversible change

• No change

Tags

NGSS.MS-PS1-5

What substance has an ability to dissolve in water?

• Glass
• Sand
• Oil
• Sugar

What are examples of irreversible changes?

• Melting ice
• Dissolving salt in water

• Rusting iron
• Burning wood

Tags

NGSS.MS-PS1-2

What kind of change is water EVAPORATION?

• Reversible change

• Irreversible change

• Biological change
• No change

Tags

NGSS.MS-PS1-4

Freezing orange juice is an example of what kind of change?

• Reversible change

• Irreversible change

• Thermal change
• No change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What are examples of reversible changes?

• Melting ice

• Burning wood
• Cooking an egg
• Stretching a rubber band

What is an example of SOLUBILITY?

• Sugar floating on water.
• Oil mixing with vinegar.
• Table salt dissolving in water.
• Sand settling at the bottom of a glass.

Melting butter is an example of what kind of change?

• Irreversible change

• Biological change
• Reversible change

• No change

Tags

NGSS.MS-PS1-4