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Chemistry Critical Thinking 1 Flashcards | StudBud
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Chemistry Critical Thinking 1
Chemistry Critical Thinking 1
28 terms
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#chemistry #scientific method #volumemeasurement #lab #safety
Flashcards
28 cards
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Questions
28
Answers
1
A measurement is a quantity that has a number but NOT a unit
False
True
2
What is the study of chemistry?
energy and motion
matter and mass
living things
cause and effect
3
Instagram's new security program is
qualitative data
the independent variable
the dependent variable
the controlled variable
4
Instagram launching a new security program for testing after a cyber attack is an example
conclusion
experiment
observation
collecting and analyzing data
5
Which of the following are examples of matter?
liquids and solids
light and sound
speed of a car in motion
differential equations
6
Biochemistry is the study of?
developing new biodiesel fuels
effects of temperature on the rates of a reaction
function and structure of proteins
developing ways to detect toxic industrial compounds in air
7
Snapchat collecting information about users after releasing a new filter are an example of
hypothesis
analyzing data
research question
observation
8
An experiment can be ended as complete after proven successful once
true
false
9
The SI unit is designed to measure quantity and quality of matter
True
False
10
Lab safety includes
texting while handling chemicals
wearing designer clothes
eating while conducting experiments
handling flasks with care
11
Volume is measured in
meters
Liters
micrometers
centimeters
12
Erlenmeyer flasks are used to store chemical reactions
True
False
13
It isn't necessary to be accurate when it comes to chemical reactions as it either work or not
False
depending on the glasswares
Depends on the chemical reaction
True
14
Which of these is qualitative data of a plant?
the size of the leaves
the height of plant
the amount of water and sun it receives
the type of plant
15
An independent variable is ?
a variable that is being stubborn
the effect of change
A variable that depends on noone
the cause for a change
16
Which of these is an observation?
running as fast as you can to beat the speed of light
a candle is decreasing in mass after burning
stating that 1 hour is just not enough time to learn
measuring and running an experiment
17
The branch of chemistry that studies chemicals containing carbon is ?
organic
analytical
inorganic
physical
18
Mass is measured in ?
kilometers
kilograms
Kelvin
Celsius
19
A hypothesis may be rejected after an experiment
true
false
20
A dependent variable is?
A variable that is being added or removed
The cause of change
A variable that is being observed
A variable that cannot be adjusted
21
Instagram's mainframe system is a
quantitative data
the dependent variable
experimental data
qualitative data
22
A beaker can be use to test and experiment with chemical reactions
False
True
23
Which is a quantitative data of an experiment?
The smell of the reactants
The amount of chemicals measured
The color of the reactants produced
The texture of the products
24
There is no difference between measuring with an Erlenmeyer flask or a graduate cylinder
False
True
25
2 kilograms of sodium chloride ( salt) is an example of
not consider data but a property of salt
both qualitative and quantitative
quantitative data
qualitative data
26
Antoine-Laurent Lavoisier made which of the following contribution to Chemistry?
Designing a balance for measuring
Demonstrated oxygen is required to burn
Introducing alchemy to France, Spain but not England
Turning lead into gold
27
Who contributed in development of chemistry?
19th century German mathematicians
alchemists
The royal society of science London
Japanese samurais in search of iron cores
28
The conclusion is not important once the experiment is done
false
true
