For Science 4. Enjoy and Thank you.

1. PHYSICAL AND
CHEMICAL CHANGE

2. PHYSICAL CHANGE

3. SQUASHING
• A collective term used to describe cutting,
chopping, squeezing, folding, pressing,
hammering, smashing and tearing.

4. PHYSICAL CHANGE
• A change in the appearance like
shape and form of a material without
changing its composition.

5. STRETCHING
• Is a change in length when materials are made
longer than the original size when a tension
force is applied.

6. SHEARING
• A change in length when a material is made
shorter after applying a compressive force.

7. CHEMICAL CHANGE
• It occurs when the composition of the original
material is changed to a new material.