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REV: Density & Physical/Chemical Prop/Changes

Total questions: 38

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
2.

What happens to the particles of matter at higher temperatures?

a)

particles of matter have less energy

b)

particles of matter move faster

c)

particles of matter move slower

3.

What process is happening when solid dry ice becomes a gas?

a)

sublimation

b)

deposition

c)

condensation

d)

evaporation

4.

Is glass breaking a physical or a chemical change?

a)

Physical Change

b)

Chemical Change

5.

Is the rusting bicycle wheel a physical or a chemical change?

a)

Physical Change

b)

Chemical Change

6.

Melting butter

a)

Physical Change

b)

Chemical Change

7.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
8.
Is making orange juice a physical or chemical change?
a)
Physical 
b)
Chemical
9.

Is the Statue of Liberty tarnishing a physical or chemical change?

a)

Physical 

b)

Chemical

10.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
11.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
12.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
13.

Convert 180oC to K.

a)

453 K

b)

-93K

c)

49,140 K

d)

0.659K

14.
A series of steps used by scientists to solve a problem or answer a question. 
a)

scientific method

b)

recipe

c)

metric system

15.

If I study for my test, then I will have a better test score. What is the dependent variable?

a)

studying

b)

test score

16.

What part of the experiment does this describe:

The same type of bean plant, the same amount of water, and the same soil were used.

a)

Constants

b)

Control group

c)

Hypothesis

17.

What is the mass of a 25 cm3 solid if it has a density of 5 g/cm3?

a)

125 g

b)

50g

c)

5gcm3\frac{5g}{cm^3}  

d)

0.2 cm30.2\ cm^3  

18.
Between which points is the temperature of the substance remaining constant?
a)

A-B only. 

b)

A-B, C-D, E-F

c)

B-C only. 

d)

B-C, D-E

19.
A substance's heating curve is shown in the graph.  What is its boiling point?
a)

100 C

b)

60 C

c)

80 C

d)

20 C

20.

Which letter represents particles in solid form?

a)

A

b)

B

c)

C

d)

E

21.

From D to E, a liquid is being changed to a gas. Is heat being added or taken away during this time?

a)

Added (Endothermic)

b)

Taken away (Exothermic)

22.

Why do the rocks sink in water?

a)

They have the same density as water.

b)

They are less dense than water.

c)

They are more dense than the water.

23.

Compared to the Oil, does the plastic block have a higher or lower density?

a)

higher

b)

lower

24.

Which list shows the order from the most dense to the least dense?

a)

Screw, grape, sponge, bottle cap

b)

Sponge, bottle cap, grape, screw

c)

Screw, bottle cap, grape, sponge

d)

Screw, grape, bottle cap, sponge

25.

Look at this image.  Which object has the lowest density? 

a)

Ping Pong Ball

b)

The bolt (screw)

c)

soda cap/lid

26.

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the independent variable?

a)

type of cleaner

b)

how clean are the tables

c)

tap water

27.

Which diagram shows the LEAST dense object?

a)

left

b)

center

c)

right

28.

What is the volume of the blocks?

a)

8 mL

b)

10 mL

c)

60 mL

d)

5 mL

29.

What do you use to measure the mass of an object?

a)
b)
c)
d)
30.

Weight is the measure of the force of ______ on an object.

a)

Density

b)

Mass

c)

Matter

d)

Gravity

e)

Velocity

31.
What is this tool to get volume?
a)
triple beam balance
b)
ruler
c)
thermometer
d)

graduated cylinder

32.

Which element leads to rust?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Lead

33.

How are chemical properties observed?

a)

during chemical reactions

b)

when a chemical is poured in a beaker

c)

when a chemical is at room temperature

34.

Which of the following are examples of chemical properties of matter? (Select all that apply.)

a)

flammability

b)

toxicity

c)

density

d)

oxidation

35.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

36.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
37.

Which of the following are examples of chemical properties of matter? (Select all that apply.)

a)

flammability

b)

toxicity

c)

density

d)

oxidation

38.

Which of the following are examples of chemical properties of matter? (Select all that apply.)

a)

flammability

b)

toxicity

c)

density

d)

oxidation

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