Ch5 Science 8th Grade

Question 1

Physical property

Answer 1

Any characteristics of matter that can be observed without changing the identity of the material. Color, shape , smell , taste , mass , volume , and density ad all physical property’s .

Question 2

Density

Answer 2

The amount o mass given volume. D=m/v

Question 3

State of matter

Answer 3

Tells you weather the matter is a solid liquid or gas . This property depends on the temperature and pressure of the volume.

Question 4

Size-dependent properties

Answer 4

The change in physical property due to the change in size.

Question 5

Size independent properties

Answer 5

Some physical property do not change when the size changes

Question 6

pH scale

Answer 6

Describe the scale used to see the concentration of acids or bases.

Question 7

Physical properties of acids

Answer 7

Smell sharp ,taste sour and have a pH below 7

Question 8

Physical properties of bases

Answer 8

Slippery , taste bitter and have a pH above 7