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Worksheets8W CHM UNIT 1 REVIEW
Total questions: 40
Worksheet time: 20mins
True or False: A liter contains 1,000 mL
TRUE
FALSE
True or False: A centimeter is larger than a meter.
TRUE
FALSE
True or False: A mg is larger than a cg.
TRUE
FALSE
True or False: A km is larger than a m.
TRUE
FALSE
What are the three basic units of the metric system?
millimeter, milliliter, milligram
inch, foot, yard
meter, liter, gram
inch, ounce, pounds
In the metric system, we use liters to measure liquids and volume.
TRUE
FALSE
Myanmar, Liberia, and the _____ have still not fully adopted the metric system
United States
China
Germany
Australia
A meter is about 3 feet (the height of a door knob)
TRUE
FALSE
Accuracy is measuring the true value. precision is getting consistent results.
TRUE
FALSE
Zeros are always significant if they are:
After the decimal
Following a non-zero digit when there is a decimal
Trailing zeros when there is no decimal
Leading zeros
How many significant figures are in 54,050?
1
2
3
4
Which of the following has two significant digits?
34000
0.4
340.00
0.00343
What is the sum of the following numbers: 1.225 m + 2.0 m
3.2 m
3.23 m
3.225 m
3 m
Calculate the following quotient: 5.105 divided by 0.51
10.0098
10.
10.001
10.00
Calculate the following product: 1.2 x 2.255
3.0
2.706
2.7
2.71
If you were converting .000345642 to scientific notation and were keeping three significant digits, you would write the number _____ and use _____ for your power of 10.
3.45642, 4
3, -4
3.46, -4
3.45, -4
Scientific notation uses only the most significant digits and a power of _____ to represent the value of a number.
2
Y
X
10
Which of these is scientific notation?
2. 1.2 x 10^3
20 x 60
2^2 x 3 x 10^2
1,200
Write 0.00057 in scientific notation.
5.7 x 10^-4
5.7 x 10^-5
5.7 x 10^4
5.7 x 10^-3
Convert 1.763 x 10^2 to standard notation.
17.63
176.3
176300
None of the answers are correct.
Which of the following ratios is NOT proportional to 2:3?
4:6
1:1.5
6:9
4:5
On an adventure quest, the hero fights werewolves and vampires in a ratio of 2:5. If he fights 28 werewolves in total, how many vampires does he fight?
70
60
35
98
What is the first and most important step in solving rate word problems?
Labeling the rows
Picking the right formula
Solving the final equation
Setting up a table correctly
Which of the following units can NOT be part of a map's legend?
in
ft
cm
kg
Which of the following are arranged from smallest unit to largest unit?
cm, m, mm, km
cm, mm, m, km
mm, m, cm, km
mm, cm, m, km
How many mL are in 3.4 L?
0.0034 mL
3.4 mL
0.34 mL
3,400 mL
If you are converting a centimeter to a meter, how many places would you move the decimal point?
1
2
3
4
To convert between units of measure, one thing you need to do is change the _____.
metric unit
decimal place
metric prefix
comma
When do you move to the left on the metric conversion chart?
When converting a small unit to a large unit.
When converting a large unit to a small unit.
Only when you are measuring length.
Anytime you are converting units.
How is the number 24,507 written in correct scientific notation?
2.4507 X 10^3
2.4507 X 10^2
2.45 X 10^4
2 X 10^4
To make hummingbird food, I need 4 cups of water to 1 cup of sugar. If I wanted to double that amount, how many cups of water do I need?
8
4
6
2
Which of the following is proportional to the ratio 3:2?
12:10
6:4
6:3
12:9
Things are in proportion when what are equal to each other?
Heights
Lengths
Weights
Ratios
Find the missing information. x/4 = 9/12
2
3
4
5
Which of the following is NOT in proportion to the ratio 12:20?
24:40
6:10
20/30
18/30
The Red Sox have won 3 World Series titles in the last 11 years. At this rate, how long will it take them to win 20 World Series?
60 years
55 years
220 years
74 years
A 5 ounce bag of gummy bears is $1.49. How much should a 144 oz bag cost at that price per ounce?
$15.99
$214.56
$42.91
$149.00
The ratio of boys to girls in a room was 7 to 6. There were a total of 24 girls. How many boys were in the room?
24
168
28
13
You've got 60 homework problems to do and it took you 10 minutes to do eight of them. At that rate, how long will it take?
48 minutes
75 minutes
600 minutes
1 hour, 10 minutes
You are walking 3.5 miles per hour. At this pace, how long will it take to walk the 6 miles to school?
1.7 hours
6 hours
3.5 hours
2 hours
