Match each description to the correct type of change.

Question

1.________ Reacting baking soda with vinegar.:

2. _______A change that produces matter with a different composition than the original matter.:

3.___________ Cutting a piece of wood.:

4.__________ Cooking a cake.:

5.__________ Melting ice (water changing from the solid to the liquid state).:

6.________ A change in which the composition of the material does not change.:

7.________ Iron rusting to become iron oxide.:

8._______ Boiling water (water changing from the liquid to the gas state).:

9._______ Bending copper wire.:

10._____ Silver tarnishing to become silver sulfide.:

Choices:

a. chemical change

b. physical change

choose the correct answers.

Answer 1

Here are the matches for each description with the correct type of change:

1. a Reacting baking soda with vinegar.: chemical change

2. a A change that produces matter with a different composition than the original matter.: chemical change

3. b Cutting a piece of wood.: physical change

4. a Cooking a cake.: chemical change

5. b Melting ice (water changing from the solid to the liquid state).: physical change

6. b A change in which the composition of the material does not change.: physical change

7. a Iron rusting to become iron oxide.: chemical change

8. b Boiling water (water changing from the liquid to the gas state).: physical change

9. b Bending copper wire.: physical change

10. a Silver tarnishing to become silver sulfide.: chemical change

So, the final answers are as follows:

1. a
2. a
3. b
4. a
5. b
6. b
7. a
8. b
9. b
10. a