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8PS Unit 1 Review Flashcards | StudBud
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8PS Unit 1 Review
8PS Unit 1 Review
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Review quiz that covers the highlights from Unit 1: Introduction to Physical Science.
Flashcards
52 cards
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Practice quiz
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Questions
52
Answers
1
all of the “stuff” that exists in the universe
Life is...
Energy is...
Physics is...
Matter is...
2
All scientific research involves experiments.
False
I don't know.
True
3
An if-then statement based on a hypothesis is known as a(n) __________.
prediction
observation
none of the above.
question
4
A balance is used to measure
volume.
length.
weight.
mass.
5
Length is a derived quantity.
True
I don't know.
False
6
Which measurement is most precise?
66 mL
65.5 mL
66.55 mL
65 mL
7
The number 0.00103 in scientific notation is __________.
1.03x10
1.03x103
1.03x10-3
103x10-5
8
Water freezing is an example of what type of change?
Metamorphic
Chemical
Physical
Superman in a phone booth.
9
In any experiment, there must be at least two
replications.
controls.
variables.
hypotheses.
10
An example of a theory is Newton's theory of gravity.
False
I don't know.
True
11
Which question can be answered by physics concepts?
How do different cleaning products work?
Why do fireworks explode?
How do stalactites form?
How does a rainbow form?
12
Circle graphs are especially useful for showing
comparisons of different things.
percents of a whole.
changes over time.
ranges of data.
13
The basic SI unit for length is the millimeter.
True
False
I don't know.
14
You need to wear goggles in the lab only when you are using hazardous chemicals.
I don't know.
True
False
15
The scientific method is always followed step by step, in a linear fashion.
False
I don't know.
True
16
Science is best defined as...
a broad explanation.
a body of knowledge.
a law.
a theory.
17
Which variable is expected to change when the scientist changes the independent variable?
Independent Variable.
Controlled Variable.
Dependent Variable.
None.
18
The correct number of digits in an answer is called the number of
significant figures.
precise figures.
international units.
derived digits.
19
What is all the stuff that exists in the universe?
Force
Solid
Matter
Energy
20
The cubic meter is the basic SI unit for
volume.
mass.
length.
width.
21
What does this safety symbol represent?
Don't cut your fingers off with electricity.
Electrical Hazard
Harry Potter Hand Ahead.
Three Tongued Snake Ahead.
22
What does this safety symbol represent?
Campfires Ahead.
Flammable Material Hazard
Watch out for Gold and Black Hair!
Smokey the Bear Sightings Ahead!
23
The number 53,000 in scientific notation is __________.
5.3x104
5.3x103
53x104
5.3x10-4
24
Physical science includes...
Chemistry and Physics
Chemistry and Life Science
Earth Science, Chemistry and Physics
Life Science and Physics
25
Which of the following involve matter and energy?
using a microwave oven to heat food
combining ingredients and baking a cake
mixing different colors of paint to produce new colors
all of the above
26
Physics covers which concept(s) below?
All of the above
Energy
Motion
Force
27
Researchers should always communicate their results.
True
False
I don't know.
28
The _________ is a potential answer to a question that can be tested with evidence.
hypothesis
control
question
experiment
29
What does this safety symbol represent?
Hot Surface.
Fresh, Hot Pancakes Ahead!
Curvy Roads Ahead.
Watch for Dancing Snakes!
30
broad explanation that is widely accepted because it is supported by a great deal of evidence.
Logic is a...
A scientific law is a...
A scientific theory is a...
Induction is a...
31
A kilometer equals ____ meters.
1000
100
500
10,000
32
The methods of modern science are based on the ideas of...
Einstein.
Aristotle.
none of the above.
Thales.
33
The closeness of a measurement to the true value
is accuracy.
is correct.
is precision.
is good enough.
34
Which question can be answered by concepts in chemistry?
Why do baked goods rise in the oven?
How do musical instruments make sounds?
all of the above
How do waves move in water?
35
The average value of a set of measurements
is its range.
is its mode.
is its mean.
is right on.
36
Modern Western science began during the Scientific Revolution.
False
True
I don't know.
37
_______ is the study of the structure, properties, and interactions of matter.
Energy
Physics
Chemistry
Matter
38
Which step generally occurs first in a scientific investigation?
form a hypothesis
gather evidence
analyze evidence
ask a question
39
Matter is defined as anything that can be seen.
True
I don't know.
False
40
drawing general conclusions from many individual observations.
Logic is...
Induction is...
Science is...
Empiricism is...
41
The focus of Chemistry is atoms and molecules.
I don't know.
True
False
42
Scientific research must be guided by ethical rules.
True
False
I don't know.
43
The scientist who proposed that the sun is at the center of the solar system was ___________
Einstein.
Aristotle.
Thales.
Copernicus.
44
Science sometimes advances in big leaps.
I don't know.
True
False
45
Scientist may draw different conclusions from the same observations.
True
I don't know.
False
46
The factor that the researcher manipulates in the experiment is called the
dependent variable.
repeated variable.
independent variable.
control factor.
47
Scientific laws answer "how" questions.
True
I don't know.
False
48
A graduated cylinder is used to measure the _________ of a liquid.
mass
volume
area
liters
49
The characteristics of science include
being curious.
thinking logically.
being good observers.
all of the above.
50
Any information that is gathered by the senses is called a(n) __________.
prediction
variable
hypothesis
observation
51
What does this safety symbol represent?
Biohazard
Radiation
Aliens
Gas Masks Required
52
The exactness of a measurement
is precision.
is correct.
is accuracy.
is close enough.
