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Nature of Science and Investigations

Total questions: 52

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
A(n) ____________ is a special type of scientific investigation that is performed under controlled conditions.
a)
experiment
b)
lab
c)
inquiry
d)
hypothesis
2.
The more times that an experiment is repeated and the same results obtained, the more likely the results are _________. 
a)
better
b)
observed
c)
valid
d)
used
3.
An experiment generally tests how one _________ is affected by another.
a)
Variable
b)
test
c)
scientist
d)
option
4.
The variable that affects the dependent variable is called the _________ variable.
a)
dependent
b)
optional
c)
independent
d)
scientific
5.
The affected variable is called the __________ variable.
a)
independent
b)
dependent
c)
changed
d)
numerical
6.
The process of gathering information
a)
analyzing
b)
hypothesizing
c)
inferring
d)
observation
7.

Used to hold, measure, and heat liquids (it has a wide mouth and is made of glass).

a)

Beaker

b)

Graduated Cylinder

c)

Test Tube

d)

Electronic Scale

8.

An instrument for measuring temperature (heat energy).

a)

Erlenmeyer Flask

b)

Triple Beam Balance

c)

Thermometer

d)

Test Tube

9.

Tool used to measure force (in Newtons).

a)

Spring Scale

b)

Graduated Cylinder

c)

Funnel

d)

Petri Dish

10.

Replication is when one scientist

a)

copies another scientist's experiment.

b)

laughs at another scientist's experiment.

c)

repeats their own experiment several times.

d)

clones another scientist.

11.

Repetition is when one scientist

a)

copies another scientist's experiment.

b)

bumps into another scientists.

c)

repeats their own experiment several times.

d)

clones a T. rex.

12.

Repetition and Replication both involve doing

a)

weird experiments

b)

different experiments

c)

the same experiment

d)

no experiments

13.
In our marbles lab, we used the same number of marbles in each cup, the same liquid in each cup (water), and the same amount of time for each cup.  What are these things called?
a)
Controls
b)
Independent
c)
Constants
d)
Compounds
14.
We want to know: Does the flavor of ice cream effect how fast the ice cream melts?  We choose strawberry, chocolate, and vanilla.  
What is our dependent variable?
a)
Different flavors of ice cream
b)
Strawberry ice cream
c)
How many votes for each ice cream
d)
How fast the ice cream melts
15.
Mr. Squidward wants to see if clarinet music can help math test scores.  He chooses to give one group of students no music, the other group gets an hour, and the last group gets 2 hours.  
What is the independent variable?
a)
Amount of clarinet music
b)
Math test scores
c)
Number of students
d)
Can he play the clarinet?
16.
Cash Moolah wants to know if people buy more pink lemonade at his lemonade stand.  He sells his experimental pink lemonade, but also sells yellow lemonade.  
The yellow lemonade is his... _________?
a)
Control Group
b)
Experimental Group
c)
Water
d)
Independent Variable
17.
What is a procedure?
a)
A supply list
b)
A set of detailed instructions
c)
A place to record data
d)
An analysis of your experiment
18.
Which of the following is the data that you collect in an experiment (what you measure)?
a)
Independent Variable
b)
Dependent Variable
c)
Constants
d)
Controls
19.
How many independent variables can an experiment have?
a)
2
b)
1
c)
0
d)
Doesn't Matter!
20.
The parts of an experiment that can be changed. 
a)
variables
b)
data
c)
hypothesis
d)
steps
21.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
22.
This group does NOT get the change to the independent variable.  This is the group that is not actually experimented on and is used as a comparison to "normal". 
a)
experimental group
b)
control group
c)
data
d)
variables
23.
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
24.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
variable
25.
A student wants to test the effects of type of exercise on heart rate.  She measures her pulse while she is resting, standing, walking and running.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
26.
Before asking questions, what is a scientist likely to do?
a)
make a hypothesis
b)
come to a conclusion
c)
make observations
d)
analyze data
27.
What is any information that you gather through your senses called?
a)
research
b)
observations
c)
experimentation
d)
questions
28.

What type of investigation takes place in the natural world?

a)

experiment

b)

field study

c)

Engineering

d)

Model/simulation

29.

What type of investigation tests the effectiveness of a prototype?

a)

field study

b)

experiment

c)

engineering/stem

d)

research project

30.

What type of investigation gathers information about a science question, concept or phenomenon?

a)

research project

b)

field study

c)

engineering/stem

d)

model/simulation

31.

What type of investigation creates a visual display of a common science concept or phenomenon?

a)

field study

b)

research project

c)

experiment

d)

model/simulation

32.

A science experiment should always test......

a)

a prediction

b)

multiple variables

c)

no variables

d)

a non-testable question

33.

Collecting evidence is used to support a .

a)

data

b)

conclusion

c)

opinions

d)

investigations

34.

An idea or a conclusion based on an observation is

a)

an inference

b)

a prediction

c)

a classification

d)

science

35.

After a scientist asks a question that could be investigated, it is important to make __________________ of possible outcomes.

a)

predictions

b)

instructions

c)

data

d)

hypothesis

36.

The one thing you change in a science investigation is called the:

a)

independent variable

b)

dependent variable

c)

investigation

d)

responding variable

37.

It is important to do more that just one trial, and in school we've learned to do a minimum of ____ trials in order to get accurate results.

a)

3

b)

5

c)

10

d)

25

38.

Scientist use their data table to create a _______________ in order to share their results in a visual way.

a)

picture

b)

graph

c)

investigation

d)

experiment

39.

A statement that tells what an investigation showed based on evidence (observations and data)

a)

Conclusion

b)

Variable

c)

Observation

d)

Repeated Observation

Investigation

40.

The group in an investigation that serves as a reference for comparison. The group not getting the test variable applied

a)

Inference

b)

Simulation

c)

Control Group

d)

Field Study Investigation

41.

An explanation that uses observations to draw conclusions.

a)

Inference

b)

Variable

c)

Control Group

d)

Conclusion

42.

Studying plants and animals in their natural habitat and recording data.

a)

Model

b)

Field Study Investigation

c)

Prediction

d)

Observation

43.

Multiple sets of measurements or observations in an investigation.

a)

Trials

b)

Constant

c)

Model

d)

Prediction

44.
How many variables should be changed in a simple experiment?
a)
5
b)
3
c)
1
d)
6
45.

The variable that is measured in an experiment is the

a)

constant

b)

control

c)

dependent variable

d)

independent variable

46.

Which variable in an experiment is specifically changed by the scientist?

a)

standard

b)

control

c)

dependent variable

d)

independent variable

47.

Find the Dependent Variable: You experiment to see if a bouncy ball or a tennis ball bounces higher.

a)

Type of ball

b)

Same drop height

c)

Height of bounce

d)

Same surface

48.

Find the Independent Variable: You experiment to see if a bouncy ball or a tennis ball bounces higher.

a)

Type of ball

b)

Same drop height

c)

Height of Bounce

d)

Same surface

49.

Four students are conducting an experiment about how the temperature of water affects the rate at which a sugar cube will dissolve.

• Julia sets up four beakers with water of different temperatures.

• Whitney measures the temperature of each beaker.

• Phil places the cubes in the beakers and records the time they take to dissolve.

• Sarah records the data and writes a conclusion.

Which student is analyzing the results of the experiment?

a)

Julia

b)

Whitney

c)

Phil

d)

Sarah

50.

Jay conducts an experiment that tests the effects of different types of soil on the growth of cactus plants. His results do not match his prediction. What should Jay do?

a)

Change his prediction

b)

Change the steps in his experiment

c)

Repeat the experiment to see whether it is valid

d)

Change the data to match his prediction

51.

Eliza performed an experiment to compare three different brands of microwave popcorn.  She popped 1 bag of each brand for 3 minutes in her microwave and counted and recorded the number of unpopped kernels in each bag.

 

What question was she trying to answer?

a)

Which microwave is the best for popping popcorn?

b)

Which brand of popcorn popped the most popcorn?

c)

Which brand of popcorn tastes best?

d)

How long should she cook microwave popcorn to get the most in a bag?

52.
When using the scientific method, the problem is written as a(n)
a)
explanation
b)
statement
c)
question
d)
essay

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