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Science 8 Chapter 1 Flashcards | StudBud
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Science 8 Chapter 1
Science 8 Chapter 1
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Answers
1
The three values 10.714 m, 12.821 m, and 13.646 m have the same number of __________.
Rounding
SIgnificant Figures
SI units
Ones
2
Which of the following is NOT a branch of natural science?
Earth science
social science
life science
physical science
3
What is a system of knowledge and the methods used to find that knowledge?
Science
Measurement
Technology
Methodology
4
In which step of the scientific method is information obtained through the senses?
Drawing conclusions
Revising a hypothesis
Making observations
Analyzing data
5
What is the solution to 450.1 + 50.20?
(
in correct sig figs
)
500
500.12
500.3
500.30
6
How many significant figures are in 2,000,000?
2,000,000
1
0
7
7
How are science and technology related?
Advances in science may lead to advances in technology and vice versa
Science is a branch of technology
Technology is a branch of natural science
Science and technology are not related
8
_________ is the closeness of a measurement to the actual value being measured
Distance
Space
Accuracy
Correctness
9
Write the following in non-scientific notation:
3.57 x 10
-4
1,000,000
357
0.000357
3.57
10
What is the ratio between the vertical change and horizontal change?
Density
Slope
Mass
None of the above
11
How do scientists who speak different languages make their data understandable to one another?
They communicate through a universal translator
They all use different systems of measurement
All scientists must speak Portugese
They all use SI units
12
What kind of zeros are in 0.00508?
Leading and Captive
Trailing
Leading
Captive and Trailing
13
Is this picture representing precision, accuracy or both?
Both
Precision
Accuracy
Neither
14
What kind of zeros are NEVER counted?
Lost
Trailing
Leading
Captive
15
What are the building blocks of all matter?
Forces
Magnetic Fields
Atoms
Legos
16
The measurement 0.059 seconds equals _______ milliseconds.
.00059 ms
5.9 ms
59 ms
59,000 ms
17
What is the most important safety rule?
Don't break glass
Always listen to and follow your teacher’s instructions
Don't listen to Daniel
Wear Goggles
18
The two main areas of physical science are physics and _________.
Chemistry
Psychology
Mathematics
Biology
19
What is Coach Smith's biggest pet peeve?
Ella
Alita
Packing up while he's talking
Beckham
20
What happens when the data in an investigation does not support the hypothesis?
The hypothesis is revised
The data must be incorrect and thrown out
The scientist gives up and starts a new investigation
The data is altered so that it supports the original hypothesis
21
If doubling the independent variable doubles of the dependent variable, the relationship between the variables is a(n)..
x and y axis
Indirect proportion
Direct proportion
problem
22
Which of the following is always true about scientific theories?
Scientific theories become hypotheses
Scientific theories are never proven
Scientific theories summarize patterns found in nature
Scientific theories become scientific laws
23
An experiment in which only one variable is changed at a time is called a(n) __________.
Uncontrolled Experiment
Physics Experiment
Perpindicular Experiment
Controlled Experiment
24
A measurement must include both a number and a(n) ______________.
Flavor
Unit
Name
Location
25
An organized plan for gathering, organizing, and communicating information is called a(n) __________.
Investigation
Technology
Campaigning
Scientific Method
26
Natural science is divided into life science, Earth science, and _________.
Physical Science
BIology
Geology
Evolution
