Chemical Reactions and Changes

Which of the following is NOT an example of a chemical reaction?

• Wood Burning
• A cake baking in an oven
• Melting Ice Cream
• Mixing Vinegar and Baking Soda

In an exothermic reaction energy is ...

• released as heat
• absorbed and cold

In an endothermic reaction energy is...

• released as heat
• absorbed and cold

In a ___________change, a substance changes into a different substance.

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is making salt water to gargle with a physical or chemical change?

• physical
• chemical

a copper penny turning greenish after a few years.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

Green bananas turning yellow on their own as they ripen.

• Chemical Change
• Physical Change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.

• Chemical Change
• Physical Change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

Which of the following IS a physical change?

• Changing state of matter

• Rusty metal

• sour milk

• making slime