WorksheetsGeneral Science & Safety
Total questions: 48
Worksheet time: 25mins
Name
Class
Date
1.
Flammable materials, like alcohol, should never be dispensed or used near __________________.
a)
an open flame
b)
an open door
c)
another student
d)
a sink
2.
Personal eyeglasses provide as much protection as _____________.
a)
a face shield.
b)
safety glasses
c)
splashproof chemical goggles.
d)
none of the above.
3.
If you do not understand a direction or part of a lab procedure, you should A. figure it out as you do the lab. B. try several methods until something works. C. ask the instructor before proceeding. D. skip it and go on to the next part
a)
figure it out as you do the lab.
b)
try several methods until something works.
c)
ask the instructor before proceeding.
d)
skip it and go on to the next part
4.
When gathering glassware and equipment for an experiment, you should A. read all directions carefully to know what equipment is necessary. B. examine all glassware to check for chips or cracks. C. clean any glassware that appears dirty. D. All of the above
a)
read all directions carefully to know what equipment is necessary.
b)
examine all glassware to check for chips or cracks.
c)
clean any glassware that appears dirty.
d)
All of the above
5.
Horseplay or practical jokes in the laboratory are _____________.
a)
always against the rules.
b)
okay.
c)
not dangerous.
d)
if you are working alone.
6.
. If a piece of equipment is not working properly, stop, turn it off, and tell A. . B. C. D. the science instructor
a)
the custodian
b)
your lab partner.
c)
your best friend in the class.
d)
the science instructor
7.
If an acid is splashed on your skin, wash at once with A. B. C. D.
a)
soap.
b)
oil.
c)
weak base.
d)
plenty of water
8.
You are heating a piece of glass and now want to pick it up. You should _______________________.
a)
use a rag or paper towels.
b)
pick up the end that looks cooler.
c)
use tongs.
d)
pour cold water on it
9.
The following footwear is best in the laboratory: ____________________________
a)
sandals
b)
open-toed shoes
c)
closed-toed shoes
d)
shoes appropriate for the weather
10.
You have been injured in the laboratory (cut, burn, etc.). First you should __________________________.
a)
visit the school nurse after class.
b)
see a doctor after school.
c)
tell the science instructor at once.
d)
apply first aid yourself.
11.
What is the name of this piece of scientific equipment?
a)
graduated cylinder
b)
beaker
c)
funnel
d)
measuring cup
12.
Name this piece of equipment.
a)
hot plate
b)
triple beam balance
c)
buret
d)
electronic balance
13.
What is the name of this piece of scientific equipment?
a)
glass stirrer
b)
stirring rod
c)
twister
d)
stirring stick
14.
What is the name of this piece of scientific equipment?
a)
tube
b)
glass tube
c)
test tube
d)
test glass
15.
What is the name of this piece of scientific equipment?
a)
graduated cylinder
b)
cylinder
c)
measurer
d)
measuring tube
16.
What is the name of this piece of scientific equipment?
a)
crucible tongs
b)
beaker tongs
c)
forceps
d)
tweezers
17.
What is the name of this piece of scientific equipment?
a)
hot plate
b)
triple beam balance
c)
buret
d)
electronic balance
18.
What is the name of this piece of scientific equipment?
a)
Erlenmeyer flask
b)
Volumetric flask
c)
beaker
d)
graduated flask
19.
What is the name of this piece of scientific equipment?
a)
shades
b)
splash goggles
c)
face mask
d)
safety glasses
20.
What is the name of this piece of scientific equipment?
a)
buret
b)
disposable pipette
c)
dropper
d)
thermometer
21.
145 mm = ___ m
a)
1.45 m
b)
.0145 m
c)
1450 m
d)
.145 m
22.
1.5 km = ____ m
a)
.0015 m
b)
15.00 m
c)
150.0 m
d)
1500 m
23.
333 cm = 3.33
a)
dm
b)
mm
c)
m
d)
dam
24.
In the International System of Units (S.I.), distance is measured using a base unit of...
a)
grams
b)
liters
c)
meters
d)
joules
25.
In the International System of Units (S.I.), weight (mass) is measured using a base unit of...
a)
grams
b)
liters
c)
meters
d)
joules
26.
In the International System of Units (S.I.), weight (mass) is measured using a base unit of...
a)
grams
b)
liters
c)
meters
d)
joules
27.
Which liquid has the highest density?
a)
corn syrup
b)
lamp oil
c)
rubbing alcohol
d)
honey
28.
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
29.
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
30.
Which substance is the least dense? **Use the key
a)
A
b)
B
c)
C
31.
Which graph correctly represents the relationship between mass and volume?
a)
A
b)
B
c)
C
d)
D
32.
Which substance is the MOST dense? ** Use the key
a)
A
b)
B
c)
C
33.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
34.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
35.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
36.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
37.
An empty beaker has a mass of 60 grams. When mercury is added to the graduated cylinder, it has a mass of 200 grams. What is the mass of the mercury?
a)
140 grams
b)
200 grams
c)
140 mL
d)
260 g
38.
How many millileters are in 0.04L?
a)
0.004L
b)
0.004ml
c)
40ml
d)
4L
39.
The density of this material is 2 g/cm3.
There are 24 cm3 Find the total mass.
There are 24 cm3 Find the total mass.
a)
12 grams
b)
48 grams
c)
12 g/cm3
d)
48 g/cm3
40.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3
c)
38.0 cm3
41.
What would you use to weigh a large dog?
a)
gram
b)
centimeter
c)
cup
d)
kilogram
42.
What would you use to measure the amount of liquid medicine to give a child?
a)
liter
b)
cup
c)
milliliter
d)
gallon
43.
The variable plotted on the horizontal or x-axis is called the?
a)
control group
b)
dependent variable
c)
graph
d)
independent variable
44.
An explanation of an event that is based on repeated observations and experiments is a?
a)
theory
b)
law
c)
explanation
d)
opinion
45.
A rule or principle that describes what happens in nature is a?
a)
observation
b)
witnessing
c)
naturalist
d)
law
46.
On a graph, which variable is put int the Y axis
a)
control
b)
independent variabe
c)
constant
d)
dependent variable
47.
The things that do not change during an experiment are
a)
independent variable
b)
dependent variable
c)
control
d)
constant
48.
What is the freezing point of water?
a)
0 Degrees celsius
b)
20 Degrees celsius
c)
32 Degrees celsius
d)
40 Degrees celsius
100 %
