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Chem Ch.3

Total questions: 49

Worksheet time: 25mins

Name
Class
Date
1.

Which of these actions cause a PHYSICAL change?

a)

rusting of metal pipes

b)

burning a log

c)

cooking an egg

d)

crushing an aluminum can

2.

Rusting metal is an example of a ____ change.

a)

chemical

b)

phase

c)

state

d)

physical

3.

Which is an example of a chemical change?

a)

baking a cake

b)

ripping paper

c)

stretching a rubber band

d)

chopping wood

4.

Frank found a pile of wood near a campsite, and he believed it had been chemically changed. What property did Frank most likely observe to believe this?

a)

the surface of the wood felt wet

b)

the color of the wood was black

c)

the wood had been chewed

d)

the wood had been chopped

5.

Use the basic properties of solids, liquids, and gases to identify the correct state of matter in the image.

a)

(A) gas, (B) liquid, (C) solid

b)

(A) solid, (B) liquid, (C) gas

c)

(A) liquid, (B) solid, (C) gas

d)

(A) solid, (B) gas, (C) liquid

6.
In physical changes, substances might change in __________ but not in __________.
a)
appearance, composition
b)
volume, state of matter
c)
texture, color
d)
weight, mass
7.
True or False: a physical change may produce a new substance.
a)
True
b)
False
8.
Which of the following is an example of a physical change?
a)
sugar and oxygen reacting to produce water and carbon dioxide
b)
honey dissolving in tea
c)
a raw egg being cooked
d)
metal rusting after being left out in the rain
9.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
10.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
11.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
12.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
13.

Cooking an egg

a)

Chemical

b)

Physical

14.

Melting Chocolate

a)

Chemical

b)

Physical

15.

Breaking a glass

a)

Chemical

b)

Physical

16.

Crumpling tin foil

a)

Chemical

b)

Physical

17.

Milk going sour

a)

Chemical

b)

Physical

18.

Digesting food

a)

Chemical

b)

Physical

19.

Egg Cooking

a)

Physical Change

b)

Chemical Change

20.

Condensation on a glass

a)

Physical Change

b)

Chemical Change

21.

What is matter?

a)

Anything that has mass and takes up space.

b)

The amount of space that an object occupies or takes up

c)

a physical combination of 2 or more substances

d)

a change of matter in size, shape or state of matter without any change in identity.

22.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
23.

Reacts with acid: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
24.

Sour taste: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
25.

Reacts with water: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
26.

Boiling point: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
27.
What is this tool to get mass?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
28.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
29.
Brittleness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
30.

Sour taste: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
31.

Reacts with water: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
32.

Boiling point: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
33.

a)

Pure Substance

b)

Mixture

34.

a)

Pure Substance

b)

Mixture

35.

a)

Pure Substance

b)

Mixture

36.

a)

Pure Substance

b)

Mixture

37.

a)

Pure Substance

b)

Mixture

38.

a)

Pure Substance

b)

Mixture

39.

a)

Pure Substance

b)

Mixture

40.

a)

Pure Substance

b)

Mixture

41.

a)

Pure Substance

b)

Mixture

42.

a)

Pure Substance

b)

Mixture

43.

What kind of physical property is this? Color

a)

intensive

b)

extensive

44.

What kind of physical property is this? Density

a)

intensive

b)

extensive

45.

What kind of physical property is this? Boiling Point

a)

intensive

b)

extensive

46.

What kind of physical property is this? Volume

a)

intensive

b)

extensive

47.

The color of this gold bar is gold. If we cut the bar in half, the bar is still gold. This is because color is an ___________ property.

a)

intensive

b)

extensive

48.

Which set of properties, intensive or extensive, are based on the size of a sample?

a)

intensive

b)

extensive

49.

Properties that depend on the amount of matter present.

a)

Mass

b)

Hardness

c)

Extensive

d)

Intensive

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