WorksheetsUnit 1 Test
Total questions: 89
Worksheet time: 2hrs 46mins
Name
Class
Date
1.
120 inches = ? Feet
a)
12 feet
b)
11 feet
c)
10 feet
d)
7 feet
2.
If 1 yard is 0.914 meters. How many meters is 4 yards?
a)
3 m
b)
3.5 m
c)
3.656 m
d)
3.987 m
3.
If 1 kg is 2.205 pounds, how many pounds is 4 kg?
a)
8.82 lbs
b)
10.52 lbs
c)
12.71 lbs
d)
7.36 lbs
4.
1 gallon is 3.785 Liters. How many Liters is 30 gallons?
a)
112.54 L
b)
126.89 L
c)
113.55 L
d)
134.23 L
5.
1 gram is 0.035 ounces. How many ounces is 200 grams?
a)
6 oz
b)
7 oz
c)
8 oz
d)
9 oz
6.
If 1 foot is 30.28 centimeters. How many cm is 130 feet?
a)
2,957.2 cm
b)
3,962.4 cm
c)
3,482.3 cm
d)
3,792.1 cm
7.
A type of medicine is given in a 100 miligram dosage. The medicine comes in a 12 gram bottle. How many 100 milligram doses are in a bottle?
a)
1200
b)
.12
c)
120
d)
12,000
8.
Convert 144 inches to yards
a)
2
b)
4
c)
8
d)
16
9.
Convert 5 yards into meters:
hint: Convert into in. then inches into cm
(1 in = 2.54 cm)
hint: Convert into in. then inches into cm
(1 in = 2.54 cm)
a)
4.398
b)
4.572
c)
7086.6
d)
7.0866
10.
5 yards = ? Feet
a)
1 foot
b)
9 feet
c)
15 feet
d)
8 feet
11.
47,520 feet = ? Miles
a)
7 miles
b)
8 miles
c)
9 miles
d)
10 miles
12.
16 yards= ? Feet
a)
46 feet
b)
5.13 feet
c)
48 feet
d)
5.333 feet
13.
How many significant digits are there in "0.94"?
a)
1
b)
2
c)
3
d)
none
14.
How many significant digits are there in "8003"?
a)
1
b)
2
c)
3
d)
4
15.
How many significant digits are there in "8002"?
a)
1
b)
2
c)
3
d)
4
16.
How many significant digits are there in "0.0805"?
a)
2
b)
3
c)
4
d)
5
17.
How many significant digits are there in "6605"?
a)
1
b)
2
c)
3
d)
4
18.
Round "3.14159" to three significant digits.
a)
3.14
b)
3.15
c)
3.142
d)
3.1416
19.
Round "0.002927" to three significant digits.
a)
0.01
b)
0.00293
c)
0.00292
d)
0.0029
20.
Round "124,500" to three significant digits.
a)
124,000
b)
125,000
c)
124
d)
125
21.
Round "455,000" to two significant digits.
a)
46
b)
460,000
c)
460
d)
45
22.
Round "6050" to two significant digits.
a)
6100
b)
61
c)
605
d)
60
23.
Round "0.265" to two significant digits.
a)
0.3
b)
0.27
c)
0.25
d)
0.2
24.
Solve and round accordingly.
"7.9 + 9.19 + 75.351"
"7.9 + 9.19 + 75.351"
a)
92.4
b)
92.441
c)
92.44
d)
92
25.
Solve and round accordingly.
"9.4991 - 7.3"
"9.4991 - 7.3"
a)
2.2
b)
2.1991
c)
2.200
d)
2.20
26.
Solve and round accordingly.
"800.0 + 62.050 - 700"
"800.0 + 62.050 - 700"
a)
162.05
b)
200
c)
162.050
d)
162.1
27.
Solve and round accordingly.
"7500 + 123.4 - 0.06"
"7500 + 123.4 - 0.06"
a)
7600
b)
7623.34
c)
7623.3
d)
7623
28.
Solve and round accordingly.
"791.6 x 52"
"791.6 x 52"
a)
41000
b)
41
c)
41160
d)
41200
29.
Solve and round accordingly.
"3.2 x 4.0 x 12.399"
"3.2 x 4.0 x 12.399"
a)
160
b)
158.707
c)
16
d)
158.71
30.
Solve and round accordingly.
"730 / 1.89"
"730 / 1.89"
a)
390
b)
386.243
c)
386
d)
386.24
31.
If a laboratory fire erupts, immediately
a)
notify your instructor
b)
run for the fire extinguisher
c)
throw water on the fire
d)
open the windows
32.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
to avoid eye strain
b)
to improve your vision
c)
only if you don’t have corrective glasses
d)
any time chemicals, heat or glassware are used
33.
If you do not understand a direction or part of a lab procedure, you should
a)
skip it and go on to the next part.
b)
ask the instructor before proceeding
c)
try several methods until something works
d)
figure it out as you do the lab
34.
If a lab experiment is not completed, you should
a)
make up some results
b)
come in during lunch and finish while eating lunch
c)
sneak in after school and work alone
d)
discuss the issue with your instructor
35.
You are heating a substance in a test tube. Always point the open end of the tube
a)
away from all people
b)
toward another classmate
c)
toward your lab partner
d)
toward yourself
36.
You are heating a piece of glass and now want to pick it up. You should
a)
pour cold water on it
b)
use tongs
c)
pick up the end that looks cooler
d)
use a rag or paper towels
37.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
apply first aid yourself
b)
tell the science instructor at once
c)
see a doctor after school
d)
visit the school nurse after class
38.
When gathering glassware and equipment for an experiment, you should
a)
All of the choices
b)
clean any glassware that appears dirty
c)
examine all glassware to check for chips or cracks
d)
read all directions carefully to know what equipment is necessary
39.
Personal eyeglasses provide as much protection as
a)
none of these answers
b)
splashproof chemical goggles
c)
safety glasses
d)
a face shield
40.
Long hair in the laboratory must be
a)
tied back or kept entirely out of the way with a hair band, hairpins, or other confining device
b)
always neatly groomed
c)
held away from the experiment with one hand
d)
cut short
41.
In a laboratory, the following should not be worn.
a)
all of the answers
b)
dangling jewelry
c)
sandals
d)
loose clothing
42.
The following footwear is best in the laboratory.
a)
shoes appropriate for the weather
b)
open-toed shoes
c)
closed-toed shoes
d)
sandals
43.
Horseplay or practical jokes in the laboratory are
a)
okay if you are working alone
b)
not dangerous
c)
okay
d)
always against the rules
44.
If a piece of equipment is not working properly, stop, turn it off, and tell
a)
the science instructor
b)
your best friend in the class
c)
the custodian
d)
your lab partner
45.
When you finish working with chemicals, biological specimens, and other lab substances, always
a)
wipe your hands on your clothes
b)
wipe your hands on a towel
c)
wash your hands thoroughly with soap and water
d)
treat your hands with skin lotion
46.
Hot glass looks the same as cold glass.
a)
True
b)
False
47.
Return all unused chemicals to their original containers.
a)
True
b)
False
48.
All chemicals in the lab are to be considered dangerous
a)
True
b)
False
49.
Work areas should be kept clean and tidy
a)
True
b)
False
50.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
a)
True
b)
False
51.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present
a)
True
b)
False
52.
Chipped or cracked glassware is okay to use.
a)
True
b)
False
53.
Read all procedures thoroughly before entering the laboratory
a)
True
b)
False
54.
All unauthorized experiments are prohibited.
a)
True
b)
False
55.
Laboratory aprons should be worn during all lab activities.
a)
True
b)
False
56.
Never leave a lit burner unattended.
a)
True
b)
False
57.
identify the following lab equipment
a)
glass triangle
b)
funnel
c)
stirring rod
d)
buret
58.
It is important to taste a chemical to find out exactly what you are working with in the lab.
a)
True
b)
False
59.
Name the lab equipment.
a)
Ring Stand
b)
Flask
c)
Beaker
d)
Bunsen Burner
60.
What is used to protect your eyes from chemicals, broken glass, and fire?
a)
Fire blanket
b)
Eye wash
c)
Goggles
d)
Flask
61.
Name this item.
a)
Telescope
b)
Thermometer
c)
Eye Wash
d)
Pipette Pump
62.
What is measured with a graduated cylinder?
a)
Passage of time
b)
Distance from one thing to another
c)
Weight of an object
d)
Volume of liquid
63.
Name this item
a)
Florence flask
b)
Stirring rod
c)
Test tube
d)
Test tube holder
64.
Identify the equipment shown here:
a)
beaker
b)
flask
c)
test tube
d)
graduated cylinder
65.
Identify the equipment shown here:
a)
test tube holder
b)
iron rod
c)
iron ring
d)
ring stand
66.
What SI unit is used to measure length?
a)
meters
b)
liters
c)
candelas
d)
kilograms
67.
What SI unit is used to measure volume?
a)
meters
b)
liters
c)
candelas
d)
kilograms
68.
What SI unit is used to measure mass?
a)
meters
b)
liters
c)
candelas
d)
kilograms
69.
What SI unit is used to measure time?
a)
seconds
b)
amperes
c)
Kelvin
d)
mole
70.
Convert the following SI Units: 3.2 km to meters
a)
32
b)
320
c)
3200
d)
32000
71.
Convert the following SI Units: 5 cm to meters
a)
5
b)
0.5
c)
0.05
d)
0.005
72.
Convert the following SI Units: 450 mm to centimeters
a)
45
b)
4.5
c)
0.45
d)
450
73.
Convert the following SI Units: 4.2 km to centimeters
a)
42
b)
420000
c)
4200
d)
42000
74.
What is the metric prefix for hecto?
a)
h
b)
he
c)
k
d)
m
75.
At which point should the reading on this instrument be taken?
a)
Highest
b)
Left Side
c)
Right Side
d)
Meniscus
76.
There are 12 cows in the field.
a)
Qualitative data
b)
Quantitative data
77.
Sabrina wants to test which brand of popcorn pops the most kernels. She picked a Giant Eagle brand, Orville Redenbacher, and PopSecret. All three bags started with the same number of kernels. She popped each for 3 minutes in the same microwave, and then counted the number of kernels left over. What is her independent variable?
a)
Number of kernels left over
b)
Brand of popcorn
c)
Number of kernels before popping
d)
Length of time cooking
78.
Kira wants to test which type of soda creates the biggest foam explosion when adding a Mentos candy. She chose Sprite, Coke, and Mountain Dew. One at a time, she added a single Mentos candy and measured the height of the foam eruption. Mountain Dew created a foam eruption of 7 inches. Coke and Sprite tied at 5 inches. What is her dependent variable?
a)
Brand of soda
b)
Number of mentos candies used
c)
Height of foam eruption
d)
Temperature of soda
79.
What is an observation?
a)
A scientific statement based on ideas
b)
Using your senses to notice what is going on around you
c)
To be unaware of your surroundings
d)
An educated guess
80.
What is a dependent variable?
a)
the variable that causes the change
b)
the variable that remains the same
c)
the variable that we expect to be changed
d)
the manipulated variable
81.
What is a control group in an experiment?
a)
a group in an experiment that remains unchanged for purpose of comparison (missing the IV)
b)
a group in an experiment that changes to compare the IV and DV variables
c)
the manipulated group
d)
the group that is altered
82.
The factor in an experiment that will be changed.
a)
dependent variable
b)
independent variable
c)
controlled variable
d)
responding variable
83.
Which of the following is a quantitative observation?
a)
The bird is very colorful.
b)
The bird has 4 different colors on him.
c)
The bird has many, many feathers.
d)
It is a bird.
84.
What is a qualitative observation about this image?
a)
There are 10 mini trees in the picture.
b)
There are two colored bushes in the picture.
c)
There is one power line going across in the air.
d)
There is art created from trees in this photo.
85.
What is the first step in the scientific method?
a)
Make an observation
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
86.
This step comes after ask a question:
a)
Record your results
b)
Design and perform an experiment
c)
Form an hypothesis
d)
Share your results
87.
This step should be done more than once to ensure accurate results:
a)
Conduct an experiment
b)
Ask a question
c)
Record data
d)
Clean up after your investigation
88.
What is the group in an experiment that receives treatment with the independent variable?
a)
control group
b)
experimental group
c)
constant group
d)
variation group
89.
A possible explanation to a problem that has not yet been tested =
a)
data
b)
theory
c)
hypothesis
d)
fact
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