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