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Unit 1 Section 1.1 Part A & Part B Flashcards | StudBud
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Unit 1 Section 1.1 Part A & Part B
Unit 1 Section 1.1 Part A & Part B
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Physical Science Unit 1
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
A summary of a natural event repeatedly observed is a
Model
Theory
Hypothesis
Law
2
What is another way to show 10
-3
?
.01
100
1000
1/103
3
Physical Science is the study of
matter and forces.
forces and energy.
matter and living things.
matter and energy.
4
How many significant digits are in the following measurement? 100.00 kg
5
undefined
3
1
5
How would you test the hypothesis, "higher temperatures affect the brightness of glow sticks"?
Ask someone else
Perform an experiment
Guess
Research the answer on the internet
6
An explanation of a natural event that has been tested is a
Law
Prediction
Hypothesis
Theory
7
The group in an experiment that does not have the independent variable is
constant
dependent variable
control group
experimental group
8
When you use critical thinking, you
make observations
all of the above
use logic
ask questions
9
A way of thinking that favors an outcome and can cause false conclusions is
Peer Review
Scientific Method
Critical thinking
Bias
10
The number of variables that should be changed in a well designed, controlled experiment is:
Three
Dependent on the type of experiment.
One
Two
11
Pure science is the application of science to meet human needs in society
True
False
12
What science looks at the individual properties of atoms, also known as matter and it changes?
Biochemistry
Chemistry
Geophysics
Biology
13
Scientific methods are representations of objects or events used to understand the real thing.
False
True
14
What does 10
0
equal?
0
.01
1
.1
15
You perform an experiment to study how different colored lights affect plant height, what is the IV?
Plants
Lights
Height
Soil
16
What does a scientist use a spectroscope to measure?
Radio Waves
X Rays
Light Waves
Speed of a Particle
17
Which statement is a qualitative description?
The classroom is -50 degrees F
The plant grew 3 cm.
The bear cub is fluffy.
The cake was baked for 33 min.
18
In an experiment, the dependent variable is
held constant.
changed.
measured.
none of the choices.
19
When designing an experiment, what factor gets changed on purpose?
Independent Variable
Dependent Variable
Constant
Control Group
20
Which of these scenarios describes something that's precise, but not accurate?
A field goal kicker who misses wide right on ten straight attempts.
A baseball player who hits safely in 56 consecutive games.
A darts player who hits nine straight bullseyes in a row.
A hockey player whose shots miss the net in all directions.
