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WorksheetsLab Safety & Lab report
Total questions: 15
Worksheet time: 30mins
Name
Class
Date
1.
Which part of the flame is the hottest?
a)
A
b)
B
c)
C
2.
Hot glass looks the same as cold glass.
a)
True
b)
False
3.
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
4.
Which of the following should be written as a numbered list?
a)
Procedure
b)
Materials
c)
Data Analysis
d)
Conclusion
5.
Where have you been asked to include a summary of the experiment?
a)
In the title
b)
With the hypothesis
c)
With the materials
d)
With the conclusion
6.
Return all unused chemicals to their original containers.
a)
True
b)
False
7.
Which of the following should NOT be included in the conclusion.
a)
Describe the procedure
b)
State the trend of the result
c)
Using theory to explain the result
d)
Answer the hypothesis
8.
Which of the following should be included in the Evaluation?
a)
We have good team work
b)
We have good time management
c)
We should check the liquid volume at eye level
d)
We should have better work allocation
9.
How to correct the following result table?
a)
Unit in header
b)
Unit in every data
10.
Which of the following is true for independent variable (IV)?
a)
It is what you changed
b)
It is what you measured (result)
c)
It is plotted on the y-axis
d)
It is what you keep the same
11.
Which of the following is the dependent variable (DV) in the experiment
"How does distance from light affect the number of bubbles released in 1 minute?"
"How does distance from light affect the number of bubbles released in 1 minute?"
a)
Distance from light
b)
Number of bubble released in 1 min
c)
Duration of the experiment
d)
Type of plant
12.
Which of the following is the independent variable (IV) in the experiment:
"How does distance from light affect the number of bubbles released in 1 minute?"
"How does distance from light affect the number of bubbles released in 1 minute?"
a)
Distance from light
b)
Number of bubble released in 1 min
c)
Duration of the experiment
d)
Type of water plant
13.
Which of the following is NOT the control variable for the experiment:
"How does the water temperature affects the time needed to dissolve a tablet?"
"How does the water temperature affects the time needed to dissolve a tablet?"
a)
Water temperature
b)
Water volume
c)
Tablet mass
d)
Time needed to dissolve the tablet
14.
Air hole in the Bunsen burner should be ___ before lighting it up.
a)
Closed
b)
Opened
c)
Half-opened
15.
Return all unused chemicals to their original containers.
a)
True
b)
False
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