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Worksheetssafety, equipment, conversion, sci method
Total questions: 23
Worksheet time: 2hrs 55mins
Name
Class
Date
1.
How should you pick up a piece of hot glassware?
a)
with bare hands
b)
heat resistant gloves
c)
with the sleeve of your shirt
d)
with a spatula
2.
How should you hold a test tube containing a chemical?
a)
pointed away from your face
b)
pointed at your eye
c)
held right up to your nose
d)
very close to your partners face
3.
Why shouldn't you wear dangling jewelry and baggy clothing in the laboratory?
a)
The baggier the clothes, the more chemical fumes are absorbed
b)
The metal in the jewelry changes the expected reaction
c)
Lab coats don’t fit over baggy clothes
d)
Jewelry and clothing could get caught on equipment; and clothes can catch on fire
4.
When you are done with an experiment, how should you dispose of any chemicals used?
a)
Mix them all up in a waste container and dump them in the trash
b)
Pour them all down the sink
c)
Follow the instructions given to properly dispose of the particular chemical(s)
d)
Mix the chemicals in a flask and heat the mixture until it evaporates into the air
5.
Which has specific markings for measurement and is used to accurately measure liquid volume?
a)
Test Tubes
b)
Beakers
c)
ruler
d)
graduated cylinders
6.
Which of the following are pieces of equipment used to measure liquids and are built to prevent spilling?
a)
Petri Dish
b)
Beaker
c)
Funnel
d)
Erlenmeyer Flask
7.
This piece of equipment is used to handle liquids, but is not marked for accurate measurement
a)
Ruler
b)
apron
c)
beaker
d)
graduated cylinder
8.
Reaching across a flame is
a)
Never acceptable
b)
always acceptable
c)
sometimes acceptable
d)
seldom acceptable
9.
The measurement of how hot or cold something is indicates
a)
volume
b)
always acceptable
c)
temperature
d)
density
10.
Various safety rules apply in the laboratory. In order to protect your clothing you should
a)
wear an apron
b)
wear clothing treating with teflon
c)
wear clothing treated with scothgard
d)
wear as many layers as possible
11.
a)
Erlenmeyer flask
b)
beaker
c)
test tube
d)
bunsen burner
12.
a)
eye and face safety
b)
fire and heat safety
c)
electrical safety
d)
apron
13.
a)
fire and heat safety
b)
electrical safety
c)
eye and face safety
d)
skin safety
14.
a)
beaker
b)
test tube
c)
hot plate
d)
graduated cylinder
15.
3000mg= ________g
a)
30
b)
0.3
c)
30.00
d)
3
16.
9L=______mL
a)
900
b)
9000
c)
9.00
d)
90.00
17.
215g=_____kg
a)
0.215
b)
215
c)
21500
d)
0.00215
18.
3400m=_____km
a)
3.04
b)
34
c)
3.4
d)
0.34
19.
Prediction about the outcome of an experiment
a)
hypothesis
b)
independent variable
c)
dependent variable
d)
conclusion
20.
measurements and other observations
a)
hypothesis
b)
ruler
c)
data
d)
experiment
21.
Statement that sums up what you learn from an experiment
a)
experiment
b)
hypothesis
c)
conclusion
d)
lab report
22.
What the person performing the activity sees, hears, feels, smells, or tastes
a)
conclusion
b)
experiment
c)
prediction
d)
observation
23.
Keeping all variables the same except the manipulated variable
a)
controlling variable
b)
conclusion
c)
prediction
d)
responding variable
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