Properties of Material

Mrs Lim bought a knife. The properties of the blade of the knife are described below.

-It is shiny.

-It is strong

-It is not scratched easily.

Which of the following is most likely the material used to make the blade of the knife?

• Metal

• Glass

• Fabric

• Wood

Which of the following property or properties are taken into consideration when using glass to make a fish tank? (You may select more than one option.)

• Glass is strong

• Glass is fragile.

• Glass is waterproof

• Glass is transparent.

Tags

NGSS.MS-ETS1-1

Ryan was trying to bend a metal ruler with his hands. Which property of materials was he trying to test?

• Whether the ruler is transparent

• Whether the ruler is flexible.

• Whether the ruler is waterproof.

• Whether the ruler is strong.

Which object has been wrongly grouped?

• Pencil

• A bar of soap

• Ceramic mug

• Styrofoam box

Ryan is able to see through the glass windows clearly. This is because the glass window is ______________.

• Waterproof

• Strong and flexible

• Transparent

Tags

NGSS.4-PS4-2

The diagram below shows a pair of rubber boots and a pair of cotton socks. How are they different? The rubber boots are ______________ while the cotton socks are __________________. (Select 2 answers)

• Waterproof

• Broken easily

• Not waterproof

• Not broken easily

Soft and a good thermal insulator

• Fabric/cotton/sponge

• Rubber/metal/tissue

• Wood/polythene/plastic

Tags

NGSS.MS-PS3-3

Hard and attracted to a magnet

• Wool

• Wood

• Metal

• Cotton

Tags

NGSS.MS-PS2-3

Flexible and elastic and a opaque

• Fabric

• Tissue paper

• Rubber

• Wood

An electrical and thermal insulator

• Wood/glass/plastic

• Fabric /tissue/silk

• Metal/polythene/cotton

• None of them

Tags

NGSS.MS-PS3-3