WorksheetsScience Tools and Safety
Total questions: 21
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
d)
I don't know.
2.
What step does the scientific method begin with?
a)
hypothesis
b)
observation/question
c)
procedures
d)
conclusion
3.
What is this science tool?
a)
jar
b)
beaker
c)
thermometer
d)
ruler
4.
What is this science tool?
a)
sun glasses
b)
safety goggles
c)
hand lenses
d)
beaker
5.
This piece of lab equipment is called a ___________________.
a)
triple beam balance
b)
spring scale
c)
thermometer
d)
graduated cylinder
6.
This piece of lab equipment is called a _______________.
a)
beaker
b)
spring scale
c)
graduated cylinder
d)
thermometer
7.
In a laboratory, the following should not be worn.
a)
all of the answers
b)
dangling jewelry
c)
sandals
d)
loose clothing
8.
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)
skip it and go to the next part
d)
ask your teacher
9.
You notice a beaker half full of a leftover powdered chemical and you are pretty sure you know which chemical it is. You should
a)
Ask the teacher what to do with the chemical
b)
Pour the chemical back into the container you think it came from
c)
Pour the chemical into the garbage can
d)
Pour the chemical down the drain with the water running
10.
The triple beam balance tool measures what
a)
Mass
b)
Temperature
c)
Volume
d)
Capacity
11.
what unit does a balance measure in?
a)
grams
b)
mass
c)
liters
d)
gravity
12.
Name this piece of lab equipment.
a)
test tube
b)
flask
c)
graduated cylinder
d)
bottle
13.
What instrument do scientist use to measure temperature?
a)
thermometer
b)
barometer
c)
anemometer
d)
scale
14.
What safety device is this student missing?
a)
lab coat
b)
hair tie
c)
goggles
d)
all of the above
15.
Jill is getting ready to do a science experiment with some other students. Jill wants to be safe during the experiment. Which of these should Jill not do?
a)
tie her loose hair back
b)
take off her long necklace
c)
make sure she is wearing shoes that completely cover her feet
d)
get a snack ready to eat during the experiment
16.
What is the volume of liquid in the graduated cylinder?
a)
43 mL
b)
45mL
c)
44 mL
d)
I give up
17.
What is the mass of the unknown object?
a)
273 g
b)
272 g
c)
272.5 g
d)
2270 g
18.
Clean up ___________________
a)
As soon as you finish your experiment
b)
by disposing of all materials down the sink with lots of water
c)
by disposing of all materials in the waste bins provided
d)
as directed by your teacher
19.
What should you do when gathering materials for an experiment?
a)
A. Read all directions carefully
b)
B. Check all materials for chips or cracks (or broken)
c)
Clean the materials if they seem dirty/used
d)
D. All of the above
20.
Horseplay and practical jokes in the classroom are ...
a)
always against the rules.
b)
a lot of fun.
c)
not dangerous
d)
okay if you are working alone.
21.
What is the best measurement for the graduated cylinder?
a)
63
b)
63.5
c)
64
d)
64.1
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