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Scientific Method and Science Safety

Total questions: 71

Worksheet time: 1hrs 2mins

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.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
 to avoid eye strain
b)
to improve your vision
c)
only if you don’t have corrective glasses
d)
 any time chemicals, heat or glassware are used
3.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
4.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
5.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
apply first aid yourself
b)
tell the science instructor at once
c)
see a doctor after school
d)
visit the school nurse after class
6.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
hypothesis
7.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
8.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
9.
 The following footwear is best in the laboratory. 
a)
shoes appropriate for the weather
b)
open-toed shoes
c)
closed-toed shoes
d)
sandals
10.
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
11.
Before leaving the lab you should always wash or sanitize your hands.
a)
True 
b)
False
12.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
13.

Where should bags/backpacks be placed during a lab?

a)

in the aisle

b)

out of the way

c)

right beside your experiment

14.

Select ALL the observations of this picture.

a)

The donkey is heavy

b)

His shirt is red

c)

He is stealing the donkey

d)

There is a rope

15.

Identify the Independent variable from this question......

What brand of bleach whitens spaghetti stains on clothes better?

a)

Clothes whiteness

b)

Stains

c)

Brand of bleach

d)

None of the above

16.

Identify the dependent variable from this question......

Which makes water freeze faster salt or sugar

a)

how fast the water freezes

b)

salt

c)

sugar

d)

None of the above

17.

You use your 5 senses to create an.....

a)

Inference

b)

Observation

c)

Data

d)

Oil Painting

18.

A prediction or a good scientific guess.

a)

Data

b)

Observation

c)

Hypothesis

d)

Test

19.

Scientists ask this at the beginning of an experiment

a)

Question

b)

Data

c)

Observation

d)

Hypothesis

20.

The steps of an experiment are called ___.

a)

steps

b)

observations

c)

variables

d)

procedures

21.

The information we gather in an experiment

a)

steps

b)

procedure

c)

data

d)

experiment

22.

The things we need to complete an experiment are called:

a)

materials

b)

data

c)

conclusion

d)

observation

23.

Things that we notice in an experiment using what we see, hear, smell ,taste are called

a)

data

b)

procedure

c)

observations

d)

materials

24.

Brian is doing an experiment with plants. He makes a good scientific guess that one plant will grow taller than the other. The guess Brian made is called a:

a)

data

b)

hypothesis

c)

observation

d)

procedure

25.

Sadie was collecting measurements of the heights of the plants she grew in her science experiment. The measurements that Sadie wrote down are:

a)

data

b)

hypothesis

c)

variable

d)

safety goggles

26.

The tool scientists use to see small objects up close is a

a)

dropper

b)

hand lens or microscope

c)

telescope

d)

safety goggles

27.

The tool scientists use to measure out very small amounts of liquid.

a)

measuring cup

b)

dropper

c)

stop watch

d)

ruler

28.

The tool scientists use to measure how hot or cold something is

a)

clock

b)

safety goggles

c)

ruler

d)

thermometer

29.

The tool scientists use to protect their eyes

a)

hand lens

b)

microscope

c)

safety goggles

d)

dropper

30.

When mixing chemicals, students should always wear ___.

a)

hair bows

b)

goggles

c)

red shirt

31.

If a balloon were to pop in the lab, what safety equipment should be used?

a)

goggles

b)

gloves

c)

ruler

32.

What is the name of this safety tool?

a)

balance

b)

fire extinguisher

c)

beaker

33.

A tool that measures degrees is called ____.

a)

ruler

b)

scale

c)

thermometer

34.

What measures volume of a liquid?

a)

ruler

b)

scale

c)

graduated cylinder

35.

An instrument that uses a lens to make tiny things look big is a ________.

a)

microscope

b)

compass

c)

beaker

36.

Which tool protects clothing?

a)

goggles

b)

apron

c)

eye wash

37.

What does this tool protect?

a)

Goggles protect the eyes.

b)

Googles protect clothing.

c)

Goggles protect your hands.

38.

Explanation means

a)

guessing

b)

figures and numbers

c)

reason, cause, or an answer

39.

Collecting data is not an essential part of scientific inquiry.

a)

True

b)

False

40.

Information collected during an experiment is called

a)

prediction

b)

data

c)

labels

41.

To perform repeated investigations is called ___.

a)

hypothesis

b)

evidence

c)

Trials

42.

Something that can change in an experiment

a)

constant

b)

variable

c)

safety rules

43.

Students can use graphs, tables, and charts to organize data.

a)

True

b)

False

44.
The main reason that diagrams, tables and graphs of data are used by scientists is to-
a)
organize data
b)
verify the conclusion
c)
test a hypothesis
d)
create an experiment
45.
Which of the following must be done for the results of an experiment to be considered valid?
a)
the experiment must be repeated numerous times and the same results are obtained
b)
the results must be published in a national journal
c)
the results must be shown in a graph
d)
the results must be only quantitative
46.
A hypothesis is a statement that-
a)
can be tested
b)
is almost always true
c)
is almost always false
d)
is the same as a theory
47.
To learn more about your experiment, you have to do 
a)
Nothing
b)
Research
c)
A bunch of stuff
d)
An experiment
48.
The main statement you make about what you expect is
a)
The Hypothesis
b)
The Scientific Method
c)
The Statement
d)
The Results
49.
Running through the room is not acceptable during a Science Lab.
a)
TRUE
b)
FALSE
50.
It is okay to do a lab with flames, even if there is no adult around.
a)
TRUE
b)
FALSE
51.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
52.
Disrupting other students in the laboratory with horseplay in the lab is:
a)
helpful.
b)
allowed
c)
dangerous.
d)
the quickest way to do a job.
53.
Helping to clean up the lab or classroom is the job of
a)
old students.
b)
transfer students.
c)
each and every student.
d)
only the teacher.
54.
Science is a continually ongoing process.
a)
True
b)
False
55.
When making an observation, you must use...
a)
Only Sight
b)
Smell & Touch
c)
ALL 5 Senses
d)
Only Taste
56.
During this step of the scientific method, a scientist would gather background information. 
a)
Hypothesis
b)
Research
c)
Observation
d)
Experiment 
57.
This step of the scientific method is an educated guess or a prediction. 
a)
Hypothesis
b)
Research
c)
Observation
d)
Conclusion
58.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
59.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
60.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
61.
If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?
a)
Procedure
b)
Hypothesis
c)
Question
d)
Results
62.
What is being changed in this experiment?
a)
ramp height
b)
the speed that the ball rolls
c)
type of ball
63.

Which of the following are an important reason to do repeated trials?

a)

reliable

b)

accurate

c)

valid results

d)

reliable, accurate, and valid results

64.

Study of the natural world through observation and investigation.

a)

Science

b)

Hypothesis

c)

Experiment

d)

Flying monkeys

65.
The information you record in an experiment is called your ____________.
a)
data
b)
conclusions
c)
notebook
d)
inquiry
66.
"The insect in Container B has six appendages" is an example of what type of scientific observation?
a)
quanitative
b)
qualitative
c)
inference
d)
hypothesis
67.
What is NOT an example of qualitative data?
a)
the average high daily temperature for the month of july
b)
the names of chemicals found in breakfast cereal
c)
the zip codes in which each high school student resides
d)
types of shoes worn by pedestrians on a city street 
68.
Which statement below is a quantitave observation about this picture?
a)
The students are at the Perot Museum.
b)
These are students from Godley High School
c)
There are at least two girls in this picture.
d)
Most students are wearing jeans.
69.
Which statement below is a qualitative observation about this picture?
a)
The students are at the Perot Museum.
b)
These are students from Godley High School
c)
There are at least two girls in this picture.
d)
Most students are wearing jeans.
70.
Which statement below is a quantitative observation about this picture?
a)
The car is red.
b)
There is one red car.
c)
The slugs are about to turn around and go home.
d)
There is a sign in this picture.
71.
Which statement below is a qualitative observation about this picture?
a)
The car is red.
b)
There is one car.
c)
The slugs are about to turn around and go home.
d)
There is a parking lot in this picture.

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