Name: _________________________________________
Chapter 2 Worksheet Packet
Section 2 Reading Guide (pages 44-49)
1. What is the definition of a physical property?
WORKSHEET 2 C
2. Looking at Figure 2 on page 45, match the following physical properties with their
descriptions
_____ Thermal Conductivity
A. Mass per unit volume of a substance
_____ Solubility
B. The ability of a metal to be pulled into wire
_____ State
C. The ability of a substance to be rolled into sheets
_____ Ductility
D. Whether matter is a solid, liquid, or gas
_____ Density
E. Ability of a substance to dissolve into another
_____ Malleability
F. Rate at which a substance transfer heat
3. What physical property would help you determine…
a. If your socks were clean? _________________________
b. If you books fit into your backpack? ________________________
c. If your shirt matches your pants? _____________________________
4. Explain, using Figure 3 on page 45, why the golf ball is more dense than the ping-pong
(table-tennis) ball
5. Look at Figure 4 on page 46. What color is the most dense layer? __________________
What color is the least dense layer? _____________________________
6. What is the formula for density? Draw the density triangle below.
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2012-2013
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7. What are common units for density?
WORKSHEET 2 C
8. I have a piece of balsa wood that has a density of .128 g/cm3 and a piece of ebony
wood with a density of 1.218 g/cm3. Looking at the density of water in Table 1 on page
47, which type of wood would float in water?
9. What is the density of an object that has a mass of 350 grams and a volume of 95
cm3? Would this object float in water?
10. Find the density of a substance that has a mass of 45 kg and a volume of 43m3. SHOW
WORK!
11. What is a physical change?
12. Does a physical change form a new substance?
13. Circle the physical changes below
a. Freezing water or splitting water into H and O
b. Burning wood or sanding wood
c. Melting butter or baking cookies
14. CRITICAL THINKING: What physical property do the following substances have in
common: water, oil, mercury, and alcohol?
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2012-2013
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Section 3 Reading Guide (pages 50-55)
WORKSHEET 2 E
1. What is a chemical property?
2. What are two different chemical properties listed in this section?
a.
b.
3. What is the major difference between a physical property and a chemical property?
4. True or false: characteristic properties are not useful in identifying a substance. ______
5. Characteristic properties are always the __________ no matter what __________ the
sample is.
6. Which of the following Is not a characteristic property?
a. Density
b. Reactivity
c. Solubility
d. Mass
e. Flammability
7. What is a chemical change?
8. Can a substance go through a chemical change and still be the same?
9. Look at Figure 3. List the 4 different examples of chemical changes
a.
b.
c.
d.
10. What is the MOST IMPORTANT question to ask when trying to decide if a physical or
chemical change has happened?
11. Physical and chemical changes can be reversed
a. All of the time
b. Sometimes
c. Never
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2012-2013
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