Non-Metals

Question 1

any materials, both synthetic and natural, which do not contain metal

Answer 1

non-metal

Question 2

What are the tree natural non-metallic?

Answer 2

wood, leather and rubber

Question 3

is a natural material and, it has been used for diverse application

Answer 3

Wood

Question 4

What are the 3 classification of woods?

Answer 4

Soft wood, Hard Wood and Manufactured Boards

Question 5

is light in color, light in weight, has a distinct resinous aroma and is easily worked.

Answer 5

Soft Wood

Question 6

is a dense and heavy wood that is known for its strength and durability

Answer 6

Hard Woods

Question 7

strong, stable and commercial wood

Answer 7

Manufactured Boards

Question 8

durable and flexible material created by tanning animal rawhide and skin, often cattle hide.

Answer 8

Leathers

Question 9

Sample properties of Leather

Answer 9

High tensile strength
Resistance to tear
High resistance to flexing
High Resistance to puncture
Good heat insulation

Question 10

contains a great deal of air, which is a poor conductor of heat.

Answer 10

Leather

Question 11

is made up of solid particles suspended in a milky white liquid (called latex) that drips from the bark of certain tropical and subtropical trees.

Answer 11

Natural Rubber

Question 12

It’s a Physical Properties of Natural that has the ability to be stretched without destroy its structure.

Answer 12

Elasticity

Question 12

It’s a Physical Properties of Natural Rubber. It does not react with water, does not allow water to pass through.

Answer 12

Electrical of Solvents