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