2.4 Properties of matter grade 7 science .pptx

Properties of matter

1. Properties of matter

2. Physical properties A property of matter that can be observed or measured without changing the identity of the matter.

3. Strength The behavior of objects to stress and strain

4. Types of strength Tensile Strength The flexibility of the links between particles Compression Strength The ability to with stand large forces without being crushed

5. Hardness The force that holds the particles together

6. Hardness and Melting Why is melting related to hardness?

7. Viscosity The thickness of a liquid

8. How to measure

9. Compressibility The ability to be squashed or compressed

10. Strength vs Compressibility

11. Density A measure of mass per unit of volume

12. How could you compare the density of liquids?

13. How could you compare the density of Solids?

14. Measuring Density