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Science Safety, Variables, & Data

Total questions: 58

Worksheet time: 46mins

Name
Class
Date
1.
You have been injured in the laboratory (cut,burned, etc.). First you should
a)
visit the school nurse after class.
b)
see a doctor after school.
c)
tell the teacher at once.
d)
apply first aid yourself.
2.
Long hair in the laboratory must be
a)
cut short.
b)
held away from the experiment with one hand.
c)
always neatly groomed.
d)
tied back 
3.
Which of the following should NOT be worn during a laboratory activity?
a)
loose clothing
b)
dangling jewelry
c)
sandals
d)
All of the above.
4.
Horseplay, practical jokes, or pranks in the classroom are
a)
always against the rules.
b)
okay.
c)
not dangerous.
d)
okay if you are working alone.
5.
When you finish working with chemicals,biological specimens, and other lab substances, always
a)
treat your hands with skin lotion.
b)
wash your hands thoroughly with soap and water.
c)
wipe your hands on a towel.
d)
wipe your hands on your clothes.
6.
The following activity is permitted in the laboratory
a)
chewing gum
b)
eating
c)
drinking
d)
None of the above.
7.
 Always cut material....
a)
away from you.
b)
toward you.
c)
in your hand.
d)
perpendicular.
8.
Before you leave the science room, you should
a)
clean your work area and equipment.
b)
return all equipment to the proper storage area.
c)
wash your hands with soap and water.
d)
All of the above.
9.
All chemicals in the lab should be treated as if they could be hazardous. (dangerous)
a)
True
b)
False
10.
Work areas should be kept clean and tidy.
a)
True
b)
False
11.
Laboratory work may be started immediately upon entering the laboratory, even if the teacher is NOT yet present.
a)
True
b)
False
12.
Never remove chemicals, specimens, or other equipment from the laboratory.
a)
True
b)
False
13.
Read all procedures thoroughly before performing a laboratory investigation.
a)
True
b)
False
14.
All unauthorized experiments are prohibited.
a)
True
b)
False
15.
You are allowed to enter the chemical storage area any time you need to get an item.
a)
True
b)
False
16.
Is it okay to pick up broken glass with your bare hands?
a)
True
b)
False
17.
Why are goggles worn in the lab?
a)
A. To improve your vision
b)
B. To make you look like a bug
c)
 C. To give you headaches
d)
 D. To protect eyes around chemicals, heat, or glassware
18.
Do not leave a lit burner unattended.
a)
True
b)
False
19.
You must be safe and think about lab safety at all times in the lab.
a)
True
b)
False
20.
Goggles are worn in the laboratory...
a)
to avoid eye strain.
b)
to improve your vision.
c)
only if you do not have corrective glasses.
d)
any time chemicals, heat, or glassware are used.
21.
If you do not understand a direction or part of a laboratory procedure, you should
a)
figure it out as you do the lab.
b)
try several methods until something works.
c)
ask the teacher before proceeding.
d)
skip it and go on to the next part.
22.
After completing an experiment, all chemical wastes should be
a)
left at your lab station for the next class.
b)
disposed of according to your teacher’sdirections.
c)
dumped in the sink.
d)
taken home.
23.
If you get something in your eyes, how long do you need to use the eyewash station?
a)
15  seconds
b)
5 minutes
c)
15  minutes
d)
Don't use the eyewash.
24.
Flammable materials should never be dispensed (or used) near:
a)
A. An open door
b)
B. An open flame
c)
C.Another student
d)
D. A sink
25.
Your partner drops a glass beaker and it shatters. A piece of glass gets in his eyes. What should he have been wearing?
a)
A. Gloves
b)
B. Sun glasses
c)
C. Safety Goggles
d)
 D. A lab aporn
26.
Unused chemicals should always be returned to their original container?
a)
False
b)
True
27.
Whe inhaling (smelling) fumes you should
a)
smell directly from the container 
b)
wave the fumes towards you
28.
The MSDS binders are located where?
a)
on teacher's desk
b)
in a cabinet
c)
by the window
d)
underneath the goggle cabinet
29.
How do you turn off the safety shower?
a)
pull handle down
b)
with a magical wand
c)
push handle up
30.
Always unplug equipment using the cord.
a)
True
b)
False
31.

The candy was sour.

a)

Qualitative Data

b)

Quantitative Data

32.

The bug was 5cm long.

a)

Qualitative Data

b)

Quantitative Data

33.

The flower is red.

a)

Qualitative Data

b)

Quantitative Data

34.

It is cloudy outside today.

a)

Qualitative Data

b)

Quantitative Data

35.

There are 13 boys and 14 girls in fifth period.

a)

Qualitative Data

b)

Quantitative Data

36.

The mass of the beaker was 122 g.

a)

Qualitative Data

b)

Quantitative Data

37.

The laptop is pink.

a)

Qualitative Data

b)

Quantitative Data

38.
The plant is short.
a)
Qualitative data
b)
Quantitative data
39.
It is 60 degrees Fahrenheit.
a)
Qualitative data
b)
Quantitative data
40.
The leaves are stiff.
a)
Qualitative data
b)
Quantitative data
41.
The plant has purple flowers on it.
a)
Qualitative data
b)
Quantitative data
42.
I caught a fifteen foot shark.
a)
Qualitative data
b)
Quantitative data
43.

Tyler is pulling this block of wood up a ramp. What would be the dependent (or responding) variable that he is measuring?

a)

the weight of the wood block that is being pulled up the ramp by the spring scale in TYlers hand

b)

the number of books stacked under the ramp that changes the angle and the height it travels

c)

the amount of force needed to pull the wood block up the ramp that is measured by the spring scale

d)

the friction of the wood against the ramp pushing against the wood block

44.

According to the diagram, which question is being tested?

a)

How does the amount of water affect flowering plants growth?

b)

How does salt water affect flowering plant's growth?

c)

How does adding fertilizer to flowering plants affect growth?

d)

Which type of fertilizer affects plant growth to grow tallest?

45.

A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

a)

If plants are placed in direct sunlight, then they will grow more green leaves.

b)

If plants are places in bright light, then they will grow more green leaves than in dim light.

c)

If plants are place in clay pots, then they will grow more green leaves than plastic pots.

d)

If plants are in warmer temperatures, then they will grow more green leaves.

46.

Which of the following hypotheses is written correctly?

a)

If I freeze a tennis ball, then it will not bounce as high.

b)

If a tennis ball is frozen, it won't bounce as high as one that is not frozen.

c)

Frozen tennis balls will not bounce as high.

d)

If I heat up a tennis ball it will bounce high

47.

Which of the following is NOT a rule when writing a hypothesis?

a)

It is testable

b)

It is an if/then statement

c)

it should restate the question

d)

It is a prediction.

48.

In an experiment, the one variable that is changed is called the

a)

dependent variable

b)

independent variable

c)

experimental variable

d)

controlled variable

49.

In an experiment, the factor that we measure is called the

a)

independent variable

b)

dependent variable

c)

conclusion

d)

controlled variable

50.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the gender of the alligator

c)

the temperature

d)

the incubator

51.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

a)

the temperature

b)

the size of the baby alligators

c)

the incubator

d)

the gender of the baby alligators

52.
Any factor that can change in an experiment
a)
variable
b)
constant
c)
independent
d)
dependent
53.
The variable that is being tested or changed
a)
independent variable
b)
dependent variable
c)
control variable
54.
the variable that is kept the same to make sure results are caused by the thing being tested
a)
independent variable
b)
dependent variable
c)
control variable
55.
the constant
a)
independent variable
b)
dependent variable
c)
control variable
56.
Scientific Question:  Does being tardy impact test scores?
What is the independent variable?
a)
test scores
b)
the time a study arrives to class
c)
amount of time to complete test
57.
Scientific Question:  Does being tardy impact test scores?
What is the dependent variable?
a)
test scores
b)
the time a study arrives to class
c)
amount of time to complete test
58.
Scientific Question:  Does being tardy impact test scores?
What is the control?
a)
test scores
b)
the time a study arrives to class
c)
amount of time to complete test

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