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Nature of Science C1

Total questions: 36

Worksheet time: 37mins

Name
Class
Date
1.
What is the first step in the scientific method?
a)
Make an observation --> Question
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
2.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
3.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
4.
Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions  
5.
Information you obtain through your senses, such as touch, sound and sight.
a)
observation
b)
hypothesis
c)
question
d)
conclusion
6.

What is the last step of scientific method?

a)

hypothesis

b)

observe

c)

communicate

d)

question

7.
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
8.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

9.
The independent variable is the ONE thing you _____.
a)
change on purpose
b)
control or keep constant
c)
measure
10.

How many independent variables should you have in an experiment?

a)

two

b)

as many as possible

c)

four

d)

one

11.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more
b)
To know what is causing the changes. This helps us understand cause and effect.
c)
It is what has always been done
12.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

13.

What is a constant/control in an experiment?

a)

Things that do not change in a experiment. It's the variable that stays the same. You can have many variables stay the same.

b)

It's the variables that the scientist changes in the experiment

c)

It's the variables that are being measured in an experiment

14.

At what temperature did bread mold the slowest?

a)

20

b)

40

c)

60

d)

80

15.

As temperature increases, the time for the bread to mold

a)

Increases

b)

Decreases

16.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
17.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
18.
Why is it important that scientists modify scientific theories when important new information is discovered?
a)
to confuse other scientists
b)
to keep the theory interesting and fresh
c)
to keep the theory as accurate and effective as possible
d)
to make sure the general public does not understand the theory
19.
 An organized procedure to study something under controlled conditions is called:
a)
theory
b)
experiment 
c)
observation
d)
hypothesis
20.

What is a testable question that can be answered by an experiment?

a)

How many animal species live in Australia?

b)

Why are birds' bones hollow?

c)

What type of chewing gum stretches the farthest?

d)

How fast does the Earth rotate around the sun?

21.

What does science include?

a)

Asking questions and searching for answers.

b)

Asking questions and guess the answers.

c)

Do experiments without asking questions.

22.
Scientists often use visual or mathematical representations to investigate items that are very large, very small, or otherwise difficult to study.  What are these visual or mathematical representations called?
a)
experiments
b)
hypotheses
c)
models
d)
observations
23.

Models can be helpful in scientific investigations because

a)

it may not be possible to work with the real thing.

b)

they can be smaller and more manageable than the real thing.

c)

they can be safer to work with than the real thing.

d)

all of the above

24.
Scientific theories are based on
a)
general assumptions of how systems work.
b)
mathematical principles that can be proven true.
c)
large amounts of data collected over time.
d)
observations from within only one scientific discipline.
25.
What is a theory?
a)
Describes what happens
b)
Explains a process
26.
What is a law?
a)
Describes what happens
b)
Explains a process
27.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
28.
The measurable factor in an experiment is known as the: 
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
29.

What is the outcome (DEPENDENT) variable?

a)

plant height

b)

time in days

c)

sunflower

d)

daisy

30.

Which of these describes a natural phenomenon or relationship that always occurs under specific conditions

a)

theory

b)

law

31.

How close a measurement is to the true value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

32.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
33.

What two words should be in your hypothesis?

a)

I think

b)

If ...then...

c)

It will

d)

No idea

34.
Theory or Law???  Changes with new observations.
a)
Theory
b)
Law
35.
Theory or Law???  Predicts what will happen in the natural world.
a)
Law
b)
Theory
36.
Theory or Law???  Is a DESCRIPTION of what a scientists expects to happen every time under a certain set of conditions.
a)
Law
b)
Theory