WorksheetsNature of Science
Total questions: 26
Worksheet time: 32mins
Name
Class
Date
1.
At one point in time, many people thought disease was caused by fate or by incorrect behavior. Following the invention of the microscope, bacteria were discovered. After this, a new theory of what causes disease arose that was known as the germ theory. Why was the original theory modified?
a)
It quickly became obvious that germs cause disease.
b)
The person who invented the microscope became ill.
c)
New evidence prompted revision to the original ideas.
d)
The proponents of the germ theory had political power.
2.
In which statement does the word theory mean scientific theory?
a)
In theory, the experiment will work as planned.
b)
She has a theory about why the storm arrived later than predicted.
c)
The atomic theory explains that material objects are made up of atoms.
d)
The doctor’s prescription for curing a cold is based on his best theory or guess.
3.
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
4.
Joe tells Mai his theory about why sea turtles nest on the beach instead of in the ocean. He says, “The turtle eggs would sink to the bottom of the ocean, and the baby turtles would drown.” Joe says his uncle is a fisherman, who told Joe this information. Mai tells Joe that his theory is not scientific. Which explanation supports Mai’s evaluation of Joe’s theory?
a)
Joe’s idea is already a scientific law.
b)
Joe’s idea is not supported by scientific evidence.
c)
Joe’s idea is a good guess that can be tested by experiments.
d)
Joe’s idea accurately explains why sea turtles nest on the beach.
5.
You use your five senses to describe something
a)
observation
b)
prediction
c)
experiment
d)
conclusion
6.
The summary at the end of an experiment that explains the results, and referrers to the hypothesis using data.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
7.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. (not changed)
a)
experimental group
b)
control group
c)
data
d)
variables
8.
A possible explanation to a problem or question that has not yet been tested.
a)
data
b)
theory
c)
hypothesis
d)
fact
9.
A hypothesis is simply a prediction that has not yet been _.
a)
proven or disproven
b)
made into a theory
c)
results calculated
d)
written about
10.
The factors in an experiment that can be changed.
a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
11.
A scientific concept. Explains mathematically what happens but not why.
a)
Theory
b)
Scientific Law
c)
Hypothesis
d)
Experiment
e)
Fact
12.
The scientific method is used in everyday life to acquire/get information.
a)
True
b)
False
13.
How can an one help insure that an experiment is unbiased and valid?
a)
peer review
b)
multiple graphs
c)
multiple trials, peer review, independent and dependent variables
d)
send a link to a news outlet
14.
Scientists must remain open-minded, meaning that they are willing to accept different ideas that may not agree with their hypothesis.
a)
True
b)
False
15.
Which is an example of qualitative data?
a)
The girl has brown hair.
b)
The girl's hair is 50 centimeters long.
c)
The girl is 95 centimeters tall.
d)
The girl weighs 140 lbs
16.
Which is an example of quantitative data?
a)
The boy did a lot of push-ups
b)
The boy has blonde hair.
c)
The boy weighs 140 pounds.
d)
The boy has green eyes.
17.
What scientific attitudes help generate new ideas?
a)
Curiosity, skepticism, open-mindedness, and creativity help scientists generate new ideas.
b)
Anger, frustration, and curiosity help generate new ideas.
c)
No one knows what attitudes generate new ideas.
d)
Only creativity helps scientists generate new ideas.
18.
Scientists are skeptics by: A. Questioning existing ideas and hypotheses B. Refusing to accept explanations without evidence C. Having a questioning and doubtful attitude.
a)
A only
b)
B only
c)
C and A
d)
A, B, and C
19.
Why is peer review important?
a)
Scientists need to stay busy to do their best work.
b)
Publishing peer-reviewed articles in scientific journals allows researchers to share ideas and to test and evaluate each other’s work.
c)
Scientists do not do peer review.
d)
They want to make sure that only they are right.
20.
What are the goals of science?
a)
Tell society what to feel and think
b)
Provide natural explanations for events in the natural world
c)
Explain religion and philosophy
21.
Jennifer wanted to study the effect of sunlight on plant growth. So she decided to expose 10 identical plants to various amounts of sunlight each day (2 hours, 3 hours, 4 hours, 5 hours, and 6 hours). After one month, she measured the weight of the plants. What was the control?
a)
Hours of sunlight
b)
Plant weight
c)
Type of plant
22.
Scientific theories...
a)
describe.
b)
explain.
23.
Scientific laws...
a)
describe.
b)
explain.
24.
Scientific laws usually describe a general phenomenon in nature using a mathematical formula.
a)
True
b)
False
25.
In science, all claims must be...
a)
tested using many experiments before being accepted by the community.
b)
accepted to be true because they are popular.
c)
written by famous scientists.
d)
randomly generated.
26.
The theory of evolution is considered a scientific theory because...
a)
scientists aren't really sure if evolution really occurs in nature.
b)
it is the best explanation about the origin of species based on all of the available data.
c)
it describes the law of life.
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