Materials and their properties

Question 1

1) Non-living things can be classified according to the ____________ they are made of.
2) A material has _____________, e.g. transparency, strength, flexibility, being waterproof and the ability to float or sink in water.

Answer 1

1) materials

2) properties

Question 2

1) Wood comes from __________ parts like trunks and branches of trees and shrubs.
2) __________ is used to make paper, furniture and some musical instruments.

Answer 2

1) plant

2) Wood

Question 3

1) Glass is a hard but brittle (easily breakable) substance made from ________.
2) ________ is used to make wine bottle, window pane, mirrors and spectacles.

Answer 3

1) sand

2) Glass

Question 4

1) Rubber comes from latex, the ______ of rubber trees. Latex is a white liquid tapped from rubber trees.
2) _________ is used to make products like tyres, shoes and balls.

Answer 4

1) sap

2) Rubber

Question 5

1) Metals are taken from ores, which are naturally occurring solid materials containing metal, found in the ________.
2) Gold, copper, silver, aluminium, iron and zinc are examples of _________.

Answer 5

1) ground

2) metals

Question 6

1) Ceramic is ______ (stiff, sticky earth) that has been baked at a very high temperature.
2) ___________ is used to make crockery (cups, bowls), vases, flower pots and tiles.

Answer 6

1) clay

2) Ceramics

Question 7

1) Fabrics are woven materials of various types. Cotton fabric comes from ________ plants. Silk fabric comes from the cocoon of silkworm moths.
2) __________ are used in clothing and furnishings.

Answer 7

1) cotton

2) Fabrics

Question 8

1) Plastics are made from ______ obtained from the ground.

2) Our daily products such as containers, kitchenware and vases are made from __________.

Answer 8

1) oil

2) plastics