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chapter 4 exploring materials review 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

__________________ form when chemical bonds link large numbers of monomers in a repeating pattern.

a)

Monomers

b)

Polymers

c)

Composites

d)

Yeah, I wasn't paying attention the first day of this chapter.

2.

The smaller molecules from which polymers are built are called

a)

polymers

b)

monomers

c)

composites

d)

plastics

3.

A ________________________ combines two or more substances in a new material with different properties

a)

polymer

b)

monomer

c)

composite

d)

plastic

4.

TRUE or FALSE Alloys are used much more than pure metals because they are generally stronger and less likely to react with air or water.

a)

TRUE

b)

FALSE

5.

TRUE or FALSE In 1896, French scientist Marie Curie discovered the effects of radioactive decay while studying a mineral containing uranium.

a)

TRUE

b)

FALSE

6.

Any large molecule made of many monomers is called a

a)

plastic

b)

polymer

c)

protein

d)

chain

7.

Fiberglass is a type of

a)

polymer

b)

alloy

c)

ceramic

d)

composite

8.

The properties of alloys more resemble those of

a)

ceramics

b)

glass

c)

metals

d)

polymers

9.

Clean sand is heated to its melting point to make

a)

ceramics

b)

glass

c)

alloys

d)

composites

10.

Unstable atomic nuclei that release fast-moving particles and energy are

a)

radioactive

b)

alloys

c)

isotopes

d)

alpha particles

11.

_____________________ is the element that forms the backbone of most polymers.

a)

Oxygen

b)

Iron

c)

Carbon

d)

Uranium

12.

TRUE or FALSE Cellulose is an example of a synthetic polymer.

a)

TRUE

b)

FALSE

13.

A useful alloy of copper and tin is __________.

a)

steel

b)

bronze

c)

brass

d)

plumber's solder

14.

Roofing tiles and bricks are made with _______________.

a)

glass

b)

ceramics

c)

gold

d)

optical fibers

15.

Alpha, beta, and gamma radiation form as the result of ______________ reactions.

a)

chemical

b)

emotional

c)

nuclear

d)

maybe I should pay more attention