Imprimer Froggy Jumps: Plastic properties (technology - 1º e.s.o. - plásticos - materials - materials in english

1. What is the cost of plastic?

A

Cheap

B

Expensive

C

Medium-cost

2. How is plastic?

A

Heatproof

B

Electricproof

C

Waterproof

3. What is the density of plastic?

A

Low density and it doesn't float

B

Low density and it float

C

High density and it float

4. At what temperature does plastic melts?

A

-150º

B

150º

C

100º

5. Why the cover of cables is made up of plastics?

A

Because it doesn't conduct electricity

B

Because it doesn't conduct heat

C

Because it doesn't conduct cold

6. Why the cover of houses is made up of plastic?

A

Because it can insulate the sounds and low temperatures

B

Because it can insulate the sounds but it doesn't insulate low temperatures

C

Because it can't insulate the sounds but it does insulate low temperatures