2. Changes in Solid Materials (Nat G.)

1. What changes took place when solid materials are bent?

• There is change in color.

• A new material is formed.

• There is change in shape and size.

• They may change their own materials.

2. It is the process of applying a pressure to form a particular shape.

• Cutting

• Pressing

• Stretching

• Hammering

3. What changes took place when solid materials are pressed?

• They may change their own materials.

• There is change in shape and size.

• A new material is formed.

• There is change in color.

4. It is used in cutting objects.

• hammer

• scissors

• nail

• towel

5. What happened to some solid materials when they were hammered?

• There was change in color.

• There was change in size and shape.

• There was a new material formed.

• They broke into smaller pieces.

6. Is there a new material formed after pressing, cutting, hammering or bending?

• No

• Yes

• Maybe

• Not sure

7. What changes took place when solid materials are cut?

• There are new materials formed.

• Only size of solid materials is changed.

• Only shape of solid materials is changed.

• Both shape and size are changed.

8. Gelyn was playing with her modelling clay. Which of the following describes what happens to the modelling clay when it was cut and pressed?

• The clay changed its size and color.

• The clay changed its size and shape.

• The clay changed its volume and odor.

• The clay changed its volume and color.

9. Yezza cuts pieces of colored paper. Describe what changes happened in the property of the pieces of colored paper after cutting as shown in the picture below.

• Volume and color are changed.

• Volume and odor are changed.

• Size and shape are changed.

• Size and color are changed.

10. How can you protect your nails when using a hammer?

• Put on gloves

• Apply nail polish

• Cut your finger nails

• Use magnetic nail holder