Download 3.2 The International System of Units

Name
Date
Class
THE INTERNATIONAL SYSTEM
OF UNITS
Section Review
Objectives
• List SI units of measurement
• Distinguish
• Convert
and common
SI prefixes
between the mass and weight of an object
between Celsius and Kelvin temperature
scales
Vocabulary
•
International System of
Units
kilogram
(Sl)
gram
absolute zero
(kg)
energy
(g)
• meter (m)
temperature
• liter
(L)
• weight
Part
Use
joule
• Celsius scale
(J)
calorie (cal)
Kelvin scale
A Completion
completion exercise to check your understanding of the concepts and terms
this
that are introduced in this section. Each blank can be completed with a term, short
phrase, or number.
The
1
International System of Units
2
system. There are
unit of length
is
SI
(SI) is
base units. In
SI,
the base
3
the
The space taken up by a cube
that
is
10
cm on each edge is
given mass
5
is its
water at 40C
is
one
.
.
Scientists
The
9
and the
10
2.
seven
3.
meter
4.
liter
6.
gram
commonly use two
7.
celsius
7
8.
kelvin
9.
joule
equivalent units of temperature, the degree
.
metric
weight
The mass of one cubic centimeter of
6
1.
5.
A measure of the pull of gravity on an object of
one
8
a revision of the
are
and the
common units of energy.
10.
Chapter 3
calorie
Scientific
Measurement
57
Name
Date
Class
Part B True-False
Classify each
NT
11.
The
12.
A decigram is
13.
The
14.
There are
NT
AT
of these statements as always
SI
base unit of mass
is
true,
the
AT; sometimes
true, ST;
or never
true,
NT.
milliliter.
100 times smaller than a gram.
SI unit of volume
is
derived from the unit of length.
NT
six basic SI units of measurement.
Part C Matching
Match each
description in
Column B
to the correct
term in Column A.
Column A
k
Column B
15. Kelvin scale
a.
quantity of heat that raises the
temperature of 1 g of pure water by
e
16. International
System of Units
(SI)
IOC.
b.
the capacity to do work or to produce heat
m
17.
temperature
c.
the SI unit of energy
18.
meter
d.
non-SI unit of volume
e.
standardized system of measurement
based on the metric system
f.
mass unit commonly used
g
a
19. calorie
l
d
c
20. Celsius scale
21. liter
22. joule
g.
in chemistry
the SI unit of length
h. force that
measures the pull of gravity on a
given mass
h
23. weight
i.
zero point
on the
Kelvin scale equal to
-273.150C
i
j
24. absolute zero
25. kilogram
f
26.
j.
k.
base unit of mass
temperature scale on which the freezing
point of water is 273.150 and its boiling
point is 373.150
gram
l.
b
SI
freezing scale that sets the freezing point
of water at 00 and
its
boiling point at 1000
27. energy
m. measure of how hot or cold an object is
58
Core Teaching Resources
O
Name
Part
Date
D
Class
Questions and Problems
Answer the following in the space provided.
28.
What is the volume of a board that measures
1.8
cm by 8.8 cm by 30.5 cm?
1.8 cm x 8.8 cm x 30.5 cm = 483.12 = 4.8 x102 cm3
29.
Hydrogen boils
at 20K.
What is the boiling point of hydrogen on the
Celsius scale?
K-273
2--273 = -253°C
30.
What is the symbol and meaning of each prefix?
a.
pico-
b. kilo-
a.
10-12 p
b.
103 k
c.
micro-
c.
10-6 m
d.
centi-
d.
10-2 c
Chapter 3
Scientific
Measurement
59