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Nature of Science Review

Total questions: 92

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
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
2.
 A biologist is investigating the effects of growth hormone on the rate of metamorphosis in butterflies. Which of the following methods of investigation would work best for the biologist investigating any possible effects?
a)
models
b)
controlled experiments
c)
systematic observations
d)
random sampling of populations
3.
Eduardo is a conservation biologist. He needs to develop a plan to preserve wetlands. He begins his project by studying the data in the following chart. How is Eduardo using scientific methods in developing a plan?
a)
He is analyzing data about causes and effects.
b)
He is analyzing a hypothesis about causes and effects.
c)
He is proposing an experiment about causes and effects.
d)
He is using intuition to determine causes and effects.
4.
Waldriana would like to investigate the effect of temperature on the amount of food birds eat.  What should she do first to begin her investigation?
a)
develop a question 
b)
conduct background research
c)
design an experiment
d)
come up with a theory
5.
Which question would be best to answer using a scientific investigation?  
a)
Why are people afraid during thunderstorms?
b)
How easy is it to shovel snow?
c)
Are some clouds prettier than others?
d)
Does temperature affect the amount of rain?
6.
A scientist says that she has made an important discovery about sound waves.  What needs to happen for most other scientists to accept her results?
a)
The scientist has to explain her results to other scientists.
b)
Many scientists need to review the results.
c)
The scientist needs to publish her results in a journals.
d)
Other scientists need to be able to get the same results.
7.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
8.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
9.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
10.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

11.
The unit of mass in the SI metric system is the
a)
gram
b)
kilogram
c)
newton
d)
meter
12.
The appropriate abbreviation of centimeter is..
a)
cm
b)
Cm
c)
cM
d)
CM
13.
What is another way you can make reference to the metric system?
a)
International de System
b)
English system
c)
Standard 
d)
Inches
14.
The base unit for length is the
a)
second
b)
gram
c)
meter
d)
liter
15.
 The Metric system is based on units of__.
a)
1's
b)
5's
c)
10's
d)
15's
16.
What are the three base units?
a)
mass,length,grams
b)
meters,length,grams
c)
measuring,liters,games
d)
meters,liters,grams
17.

What is the unit of measurement for area?

a)

Pound

b)

Squared Newton

c)

Squared Centimeter

d)

Inches

18.

What is the unit of measurement for temperature?

a)

Kelvin

b)

Celsius

c)

Fahrenheit

d)

Calcium

19.

What is the unit of measurement for time?

a)

Month

b)

Day

c)

Minute

d)

Second

20.

What is the unit of measurement for weight?

a)

Pound

b)

Kilogram

c)

Newton

d)

Meter

21.

What is the unit of measurement for density?

a)

meter/ml

b)

gram/l

c)

gram/ml

d)

meter/cm

22.

One way to analyze data from a study is to _____________

a)

make a graph

b)

develop a hypothesis

c)

recognize a problem

23.

What conclusion can be supported by the graph

a)

as time decreases the plant height increases

b)

as time decreases the plant height stays the same

c)

as time increases the plant height increases

d)

as time increase plant height stays the same

24.

Which is the best description of the dependent variable?

a)

the variable that is changed by the scientist

b)

the measurable variable

c)

the variable that does not change

25.

The variable that is changed by the scientist to test a hypothesis is called the _________________________ .

a)

dependent variable

b)

independent variable

c)

control

26.

The biosphere contains _____.

a)

all life on Earth

b)

all rocks on Earth

c)

all the air on Earth

d)

all the water on Earth

27.

The geosphere contains _____.

a)

all life on Earth

b)

all rocks on Earth

c)

all the air on Earth

d)

all the water on Earth

28.

The atmosphere contains _____.

a)

all life on Earth

b)

all rocks on Earth

c)

all the air on Earth

d)

all the water on Earth

29.

The hydrosphere contains _____.

a)

all life on Earth

b)

all rocks on Earth

c)

all the air on Earth

d)

all the water on Earth

30.

Which is a variable that is changed by an experimenter?

a)

constant

b)

independent variable

c)

dependent variable

d)

control

31.

A procedure to answer questions scientifically is the _____.

a)

variables

b)

hypotheses

c)

constants

d)

scientific method

32.

What should you do if a glass thermometer breaks in lab class?

a)

Very carefully, clean up the mess.

b)

Wipe up any spilled liquid, making sure not to touch broken glass.

c)

Cover the broken glass with a paper towel.

d)

Let the teacher know.

33.

Identify the DEPENDENT VARIABLE in this question:

Will oak trees grow taller in full sun or partial shade?

a)

amount of sunlight

b)

amount of water

c)

tree height

d)

trunk width

34.

Identify the INDEPENDENT VARIABLE in this question:

Will oak trees grow taller in full sun or partial shade?

a)

amount of sunlight

b)

amount of water

c)

tree height

d)

trunk width

35.

True or False: Earth's main systems are independent of one another.

a)

True

b)

False

36.

True or False: Astronomers study Earth, its neighbors, and other matter in the universe.

a)

True

b)

False

37.

True or False: The water in Earth's oceans, seas, lakes, rivers, glaciers, and in Earth's atmosphere makes up the hydrosphere.

a)

True

b)

False

38.

True or False: The application of scientific discoveries is called tectonics.

a)

True

b)

False

39.

True or False: Scientific methods are planned and organized, but are not rigid step-by-step outlines to solve problems.

a)

True

b)

False

40.

What sub specialty of Earth Science studies ancient environments?

a)

Marine Geology

b)

Paleontology

c)

Climatology

d)

Geochemistry

41.

What sub specialty of Earth Science studies patterns of weather over a long period of time?

a)

Marine Geology

b)

Paleontology

c)

Climatology

d)

Geochemistry

42.

Geochemistry is the study of which of the following?

a)

Effects of internal processes on Earth's surface

b)

How the moon and sun work together

c)

Earth's composition and processes

d)

Habitat of organisms

43.

A scientific idea tested by multiple scientists and supported by multiple pieces of tested factual evidence is a...

a)

Theory

b)

Scientific Law

c)

Hypothesis

d)

Fact

e)

Data

44.

SI or International System of Units is also called the:

a)

Metric System of Measurement

b)

Customary Units of Measurement

45.

The Scientific Community agreed to always use these units when conducting experiments:

a)

customary units

b)

metric system

46.

The definition of Science is:

a)

a logical explanation for HOW things happen in nature.

b)

The process that uses observation and investigation to gain knowledge about events in nature.

47.

A hypothesis is:

a)

an educated guess or prediction

b)

a rule that tells what will happen in nature

48.

The Scientific Method is:

a)

A series of steps for experiments that all scientists agreed to follow.

b)

A series of measurements such as grams, liters, and meters.

49.

Which is an example of a LAW?

a)

GRAVITY

b)

EVOLUTION

50.

Which is an example of a Theory?

a)

Evolution

b)

Gravity

51.

Grams are used to measure:

a)

Density only

b)

Mass only

c)

Volume only

52.

Milliliters or ml are units that are used to measure:

a)

solid volume

b)

liquid volume

53.

Centimeters cubed are used to measure:

a)

solid volume

b)

liquid volume

54.

Find the volume of the solid cube, then find the Density.

a)

Volume = 21 cm cubed Density = 3g/cm cubed

b)

Volume = 21 ml Density = 3g/ml

55.

What is the mass?

a)

40 g/cm cubed

b)

40 g/ ml

56.

What is the volume?

a)

10 g/cm cubed

b)

10 g/ml

57.

What is the Density?

a)

2 g/cm cubed

b)

2 g/ml

58.

A CIRCLE GRAPH is used to display:

a)

comparing data using bars

b)

% or degrees in a pie chart

c)

2 types of data like time and distance

59.

A BAR GRAPH is used to display:

a)

comparing data using bars

b)

% percent or degrees in a pie chart

c)

2 types of data like time and distance

60.

The independent variable is graphed on the horizontal axis or

a)

x-axis

b)

y-axis

61.

The dependent variable is graphed on the vertical axis or

a)

x-axis

b)

y-axis

62.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
63.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
64.
There are five major areas of specialization within Earth Science.
a)
True
b)
False
65.
The branch of Earth science that studies the blanket of air surrounding Earth is called...
a)
Paleontology
b)
Meteorology
c)
Astronomy
d)
Environmental Science
66.
A ___________ is a suggested explanation for a set of observations.
a)
independent variable
b)
experiment
c)
hypothesis
d)
control
67.
All of the following are standard components of the experimental process EXCEPT
a)
models
b)
controls
c)
opinions
d)
variables
68.
Sally is measuring the mass of an apple. Which SI unit of measure would she use?
a)
gram
b)
kilogram
c)
meter
d)
liter
69.
The study of objects beyond the Earth's atmosphere is...
a)
astrology
b)
geology
c)
paleontology
d)
astronomy
70.
The variable in an experiment that is manipulated, or changed, is called the...
a)
dependent
b)
control
c)
independent
d)
constant
71.
The correct SI unit for weight is...
a)
kilograms
b)
liters
c)
newtons
d)
grams per milliliter
72.
The correct SI unit for temperature is...
a)
Seconds
b)
Fahrenheit
c)
Celsius
d)
Kelvin
73.
The hydrosphere is the Earth system that describes
a)
the area from the surface of the Earth down to its center
b)
All the water on Earth
c)
the blanket of gases that surrounds our planet
d)
all organisms on Earth and the environments in which they live
74.
The biosphere is the Earth system that describes
a)
the area from the surface of the Earth down to its center
b)
All the water on Earth
c)
the blanket of gases that surrounds our planet
d)
all organisms on Earth and the environments in which they live
75.
The geosphere is the Earth system that describes
a)
the area from the surface of the Earth down to its center
b)
All the water on Earth
c)
the blanket of gases that surrounds our planet
d)
all organisms on Earth and the environments in which they live
76.
The atmosphere is the Earth system that describes
a)
the area from the surface of the Earth down to its center
b)
All the water on Earth
c)
the blanket of gases that surrounds our planet
d)
all organisms on Earth and the environments in which they live
77.
The study of the interactions of organisms and their environments is called
a)
geology
b)
meteorology
c)
environmental science
d)
oceanography
78.
A testable explanation of a situation that can be supported or disproved by careful procedures is a
a)
conclusion
b)
control
c)
experimental group
d)
hypothesis
79.
A factor that is affected by changes in the independent variable is the
a)
dependent variable
b)
independent variable
c)
control
d)
ham sandwich
80.
The correct SI unit for measuring length is
a)
meter
b)
inches
c)
pinky finger
d)
gram
81.
The correct SI unit for volume is
a)
centimeters cubed (cm3) or milliliters (mL)
b)
kelvin
c)
gram
d)
square meter
82.
The amount of matter in an object is called
a)
weight
b)
area
c)
mass
d)
temperature
83.
The measure of the gravitational force on an object is called
a)
buoyancy
b)
mass
c)
area
d)
weight
84.
The measure of the amount of matter that occupies a given space is called
a)
volume
b)
density
c)
area
d)
weight
85.
The amount of space occupied by an object is the object's
a)
volume
b)
mass
c)
surface
d)
area
86.
The amount of surface included within a set of boundaries (expressed in square units of length) is called
a)
density
b)
volume
c)
weight
d)
area
87.
Scientists use which of the following to show relationships in among their data?
a)
bar graphs
b)
line graphs
c)
circle graphs
d)
all of the above
88.
Which is true of all scientific models?
a)
They never change
b)
They must be true for at least 10 years
c)
They will be modified with new observations and data
d)
They are generally the work of one scientist
89.
An idea picture, a system, or a mathematical expression that represents the concept being explained is called a
a)
scientific theory
b)
scientific law
c)
scientific problem
d)
scientific model
90.
An explanation based on many observations during repeated investigations is called a
a)
scientific model
b)
scientific law
c)
scientific theory
d)
scientific experiment
91.
A principle that describes the behavior of a natural phenomenon is a
a)
scientific law
b)
scientific model
c)
scientific error
d)
scientific theory
92.
Scientists use a form of shorthand called _____________ to express very large or very small numbers.
a)
line graph
b)
scientific notation
c)
metric system
d)
pidgin

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