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Chapter 1 - Introduction to Science Flashcards | StudBud
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Chapter 1 - Introduction to Science
Chapter 1 - Introduction to Science
44 terms
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Physical Science #science
Flashcards
44 cards
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Questions
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Answers
1
5 x 10
3
– 8.9 x 10
4
=
-8.4 x 104
8.4 x 104
-8.4 x 103
8.4 x 103
2
The first step in creating a circle or pie graph is to
Divide the numbers by each other
find the % of the categories.
find the degrees of each category
find the total number
3
A(n) _ is a procedure used to test a hypothesis.
if-then-because
experiment
scientific method
observation
4
If you interview 120 people and 36 people like jazz, what percent of people like jazz music?
.3%
36%
30%
3.33%
5
Given the information below find the % of the circle graph that would be Hawaiian.
34%
24%
23%
40%
6
(2.53x10
3
) x(4.07x10
5
)= 1.03 x 10
9
False
True
7
A _ is used to represent an object that is too large or small to be studied,
graph
mold
bar graph
model
8
Convert 273 K to degrees C
138 degrees C
.89 degrees C
128
0 degrees C
9
The _ group is used to compare data changes to in an experiment.
control
constant
experimental
given
10
Graphed on the X-axis
Control
Independent
Constant
Dependent
11
(8.64x10
8
)+(2.4x10
4
)=8.6x10
8
true
Show all your work
Be sure to
false
12
Read the scenario....what is the independent variable?
Apple turning brown
Lemon juice
Lunch
Apple slices
13
Science Skills involve all of the following except
scientific method
using scientific tools
being biased
critical thinking
14
Proper format for scientific notation is
M x 10n
1.33 x 10 -5.6
M x n10
.99 x 102
15
Convert 135 degrees F into degrees C
57.22 degrees C
57 degrees C
57
57.23 degrees C
16
(8.1x10
4
)÷(9.0x10
-3
)
9x10-6
9x106
1.7 x 10-3
8x105
17
If I have 1,456 m. I have _ km.
1.456 km
1,456,000
1.456
1,456,000 km
18
Scientists use _ to perceive a problem.
education
opinions
knowledge
observations
19
If 55% of people interview liked jazz, what angle would you draw in a pie graph
19800 degrees
15.2 degrees
6.54 degrees
198 degrees
20
What type of graph is the image below?
Line
Circle
Bar
Pie
21
The following is a picture of a _.
bar
line graph
bar graph
line
22
Hypothesis must be...
Repeatable
Right
measurable
if-then
23
_ is the measurement of the force of gravity pulling downward on an object.
Matter
Mass
Weight
24
The main branches of science are life, physical, and Earth Sciences.
True
False
25
_ is the amount of matter in an object.
mass
weight
26
The image is of a _.
graph
circle graph
bar graph
line graph
27
A scientist does which of the following except?
Explains
checks and rechecks results
includes opinions in the findings
performs experiments
28
What is the independent variable on this line graph?
10
softball
sport
number of students
29
(1.76x10
5
)-(5.8x10
2
)
8.1x105
1.8x106
1.8x105
5x108
30
Which hypothesis is written properly?
If vinegar is added then it will disinfect because that's what it does.
If the water is stirred then the ice will melt faster b/c of friction.
If I add 2 tbsp of vinegar to water then it will be water b/x it's mixed.
If the water is stirred it will melt faster because of friction.
31
Convert 89.89 F to K
189 K
-200 K
305 K
205 K
32
Law and theories are constantly being tested.
False
True
33
The mass of an object can change depending upon where you are in the universe.
False
True
34
A(n) _ is a visual representation of the data collected during an experiment.
information
line graph
graph
model
35
_ is the application of science for practical reasons.
Experiments
Physical science
Knowledge
Technology
36
Graphed on the Y-axis.
control
dependent
independent
constant
37
0.000000000000236 in scientific notation
2.36x1013
2.36x10-13
2.36x10-12
3.26x1012
38
Using the information below, what would the percent of people that enjoyed comedies be?
130%
13%
23%
36%
39
The _ variable remains unchanged.
constant
control
independent
dependent
40
Rule known throught the universe.
Do unto others as other do unto you
scientific law
problem
scientific theory
41
-8.653x10
-17
correct answer
-8.653x10^-17
valid
invalid
42
A factor in an experiment that changes the dependent variable
gold
charlie
independent
constant
43
Using the information below what would the angle be on a circle graph for Pepperoni.
130 degrees
120 degrees
33 degrees
47 degrees
44
If I have 54.3 cm. I have _ m.
.543 m
54,300 m
.543
54,300
