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what is science

Total questions: 58

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

Which of these explain how a natural phenomenon works or happens?

a)

theory

b)

law

2.

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

a)

theory

b)

law

3.

Which of these can be represented mathematically and provide no explanation why a phenomenon occurs?

a)

theory

b)

law

4.
Scientific theories can be tested.
a)
True
b)
False
5.
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.
6.
A scientific ____________ is a statement that describes what always happens under certain conditions in nature.
a)
law
b)
theory
c)
method
d)
variable
7.

What two words should be in your hypothesis?

a)

I think

b)

My guess

c)

If... then

d)

No idea

8.

What a hypothesis?

a)

an explanation about what you observed

b)

using your 5 senses to gather data

c)

the thing changed on purpose in the experiment

d)

an educated guess about what will happen in the experiment.

9.
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
10.

The study of matter and elements is called

a)

Biology

b)

Chemistry

c)

Physics

d)

Geography

11.

The study of energy, forces, mechanics, waves and the physical universe is called

a)

Biology

b)

Chemistry

c)

Physics

d)

Geography

12.

Elements, mixtures, solids, liquids and gases are studied in

a)

Biology

b)

Chemistry

c)

Physics

d)

Geography

13.

Types of waves such as radio waves, light waves and microwaves are studied in

a)

Biology

b)

Chemistry

c)

Physics

d)

Geography

14.

The periodic table is studied in

a)

Biology

b)

Chemistry

c)

Physics

d)

Geology

15.

The speed of moving things such as cars are studied in

a)

Biology

b)

Chemistry

c)

Physics

d)

Geography

16.
________ is the process of obtaining information by using the senses. 
a)
analyze
b)
inference
c)
observation
d)
hypothesis
17.
A person who is studying or has expert knowledge of one or more of the natural or physical sciences is known as _________. 
a)
lawyer
b)
firefighter 
c)
mathematician 
d)
scientist 
18.
Which of these can be studied through science?
a)
unicorns
b)
mind-reading
c)
ghosts
d)
butterflies
19.
Which of these is NOT a practice of science?
a)
asking questions
b)
analyzing data
c)
making claims without evidence
d)
carrying out investigations
20.
Scientists study the natural world through observation and ___________.
a)
studying
b)
experimentation
c)
reading
d)
listening
21.

Science makes moral judgments.

a)

true

b)

false

22.

Science can give you a definitive answer on whether someone is pretty or handsome.

a)

Agree

b)

Neutral

c)

Disagree

23.

Scientists use knowledge to _________ the world around us.

a)

write papers about

b)

to target certain groups in

c)

understand and explain

d)

express opinions about

24.
This form of data would be considered ______
a)
Quantitative
b)
Qualitative
25.

What are observations that are measured or counted called?

a)

qualitative data

b)

quantitative data

26.
Observations, like the color or texture of an object, are ________________ observations.
a)
quantitative
b)
qualitative
c)
operational
d)
scientific
27.

The mass of the chocolate cake is 250 g.

a)

qualitative

b)

quantitative

28.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
29.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
Type of sunflower
30.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
31.
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable.
a)
Color or chair
b)
Grade on test
c)
Age of students
32.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
33.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
34.

The SI unit for measuring length is the __________.

a)

meter

b)

kilogram

c)

liter

d)

Newton

e)

second

35.

Convert 323 m to km.

a)

0.323 km

b)

3.23 km

c)

323,000 km

d)

3,230 km

36.

Convert 0.75 L to mL.

a)

750 mL

b)

75 mL

c)

75,000 mL

d)

0.0075 mL

37.

The metric prefix kilo- means

a)

A. 1000

b)

B. 100

c)

C. 0.001 or 1/1000

d)

D. 0.01 or 1/100

38.

The laboratory tool that measures mass is a ____.

a)

triple beam balance

b)

graduated cylinder

c)

meter stick

d)

stop watch

39.

Which of the following is a basic unit that measures TIME?

a)

grams

b)

meters

c)

seconds

d)

Ampere (Amp)

e)

Kelvin

40.

What is the volume in this graduated cylinder?

a)

43.0

b)

42.0

c)

44.0

d)

40.3

e)

43.5

41.

What is the mass of the object on this triple beam balance?

a)

310.30g

b)

313.0g

c)

13g

d)

310.03g

e)

none of these

42.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
43.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
44.

What is the last step of scientific method?

a)

hypothesis

b)

observe

c)

communicate

d)

question

45.
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
46.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

47.
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
48.

Data gathered using the senses are referred to ___________.

a)

quantitative data

b)

logical data

c)

measured data

d)

qualitative data

49.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
50.
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
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 size of the baby alligators
b)
the gender of the baby alligators
c)
the incubator
d)
the temperature
52.
In this graph, what is the independent variable? 
a)
Population
b)
Day
c)
Species 5
53.
In this graph, what is the dependent variable? 
a)
Walla Walla Island
b)
Time
c)
Number of Deer
54.
In a proper experiment, how many variables should be changed at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
55.
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
56.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
c)
maybe
d)
only sometimes
57.
What must a good hypothesis be?
a)
difficult
b)
testable
c)
correct
58.
What is the general order of the steps of the scientific methods:
a)
question, research, experiment, hypothesis, analyze, results, conclusion, communicate results.
b)
question, research, hypothesis, experiment, analyze results, conclusion, communicate results
c)
hypothesis, experiment, analyze results, communicate results, conclusion