Which of these materials is a good conductor of heat?

• Wood

• Ceramic

• Metal

Tags

NGSS.MS-PS3-4

Which is the best material for making a car windscreen?give a reason for your answer. (This question requires the knowledge of light and materials)

• ceramic. It does not allow light to pass through.

• metal.it allows all light to pass through.

• glass. It is transparent and allows light to pass through

Tags

NGSS.MS-PS4-1

what is this object made of? select the right answer

• copper

• plastic

• wood

• cotton

• glass

What is this part of the scissors made of?

• Metal

• Plastic

• Paper

• Wood

Tags

NGSS.5-PS1-3

What is the pages in the book made of?

• Cardboard

• Paper

• Glass

• Wood

• Metal

What is the desktop made of?

• Paper

• Plastic

• Metal

• Copper

• Wood

Tags

NGSS.MS-PS1-3

What is the cover of a book made of?

• cardboard

• Paper

• Metal

• Cotton

which Is a poor-conductor of heat? (To get this right, you have to tick ALL poor conductors of heat)

• Air

• Water

• Steel

• Copper

• glass

which Is a good conductor of heat? (To get this right, you have to tick ALL good conductors of heat)

• air

• Water

• Copper

• Gold

• Steel

The following shows a picture of a hammer. The part marked X should be made of ______________. State a reason for your answer.

• Steel. It is strong and can withstand heavy knocks.

• Glass. It is waterproof.

• Ceramic. It is a poor conductor of heat.

• Aluminium. It is a good conductor of heat.

• Plastic. It is man-made.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2