WorksheetsChapter 1 Introduction to Chemistry
Total questions: 35
Worksheet time: 17mins
What is the study of the composition, structure, and properties of matter?
Chemistry
Biology
Geology
Physics
The branch of chemistry which deals with the study of carbon compounds is ?
Biochemistry
Organic Chemistry
Inorganic Chemistry
Polymer Chemistry
Physical Chemistry
Study of all the elements & their compounds except carbon is ?
Organic Chemistry
Physical Chemistry
Analytical Chemistry
Inorganic Chemistry
If you're determining the energy transfer when water boils what branch of chemistry are you working in?
Analytical chemistry
Physical chemistry
Organic chemistry
Biochemistry
________ chemistry is directed to a practical goal or application.
Pure
Analytical
Physical
Applied
In the ________ world, objects are large enough to see with the unaided eyes and in the _______ world, magnification is required to see objects.
microscopic; macroscopic
macroscopic; microscopic
macroscopic; large
small; microscopic
Chemists play an essential role in finding ways to conserve, produce, and store what?
Matter
Energy
Plants
Fossil fuel
Chemists have impacts on what aspects of modern life?
Mark all that apply
Materials
Medicine
Agriculture
Energy
Environment
This was around long before chemistry and what is characterized as the forerunner of chemistry.
Alchemy
Chemistry
Technology
Biology
Who is known as the "Father of Modern Day Chemistry"?
King Charles II
George de Mestral
Robert Hooke
Antoine-Laurent Lavoisier
The _____ _____ is a logical systematic approach to the solution of a scientific problem.
applied chemistry
pure chemistry
scientific method
scientific law
Which of these are steps in the scientific method?
Mark all that apply
Experiment
Observation
Hypothesis
Variable
Which variable is the variable that you change during the experiment
Experimental variable
Independent variable
Control
Dependent variable
A well-tested explanation for a broad set of observations
scientific law
theory
observation
hypothesis
A concise statement that summarizes the results of many observations and experiments
theory
scientific law
hypothesis
variable
Which of the following is qualitative data?
Color
Pressure
Temperature
Volume
Earth attracts all objects to its surface. This statement is a(n) ____.
hypothesis
scientific law
theory
observation
Which of the following would a chemist be most likely to study?
a leaf floating on water
a leaf changing color in autumn
a leaf being blown by the wind
a leaf being eaten by insects
Which of the following statements is false?
Knowledge of chemistry allows the public to make informed decisions.
Studying chemistry ensures that officials make correct choices in funding technology.
Knowledge of chemistry helps prepare people for careers in soil science.
Chemistry explains many aspects of nature.
Which of the following is NOT an example of chemistry research in the main area of energy?
insulation to help with heating
water purification to use for crops
developing rechargeable batteries
further development on transportation
What kind of questions cannot be answered by chemistry?
how to produce materials more quickly and cheaply
what a certain substance is made of
why matter exists
whether a certain substance will be harmmful or helpful to humans
One characteristic of a theory is that ____.
it can never be proved
it can be proved
it cannot be modified
it summarizes a set of observations
A theory is a ____.
proposed explanation for an observation.
well-tested explanation for a broad set of observations.
summary of the results of many observations.
procedure used to test a proposed explanation.
Which step in the scientific method requires you to use your senses to obtain information?
revising a hypothesis
making an observation
designing an experiment
stating a theory
The variable that is observed during an experiment is called what type of variable?
independent
control
manipulated
dependent
What is the term for a falsifiable statement that can be tested by an experiment or research?
idea
theory
hypothesis
observation
A(n) states what will be observed and always true, but does not offer an explanation to why.
observation
hypothesis
law
theory
When the pressure of a confined gas is doubled at constant temperature, the volume of the gas is reduced by half. This statement describes a .
generalization
theory
sentence
law
Which of the following are arranged in correct order?
Experiment - Observation - Hypothesis - Results
Observation - Experiment - Results - Hypothesis
Observation - Hypothesis - Experiment - Results
Observation - Experiment - Hypothesis - Results
Chemical reactions
always absorb energy
can either absorb or release energy
do not have energy changes
always release energy
Which of the following was not a goal of the alchemists?
elixir of life
changing lead into rubies
philosopher’s stone
changing base metals into gold
The field of technology that applies science to the production of biological products or processes is called ______________.
chemistry
biology
physics
biotechnology
Once you have drawn conclusions on an experiment what comes next?
Make corrections
Share your work
Create a new hypothesis
State a scientific law
Stan is developing new insecticides to help combat the fly population at his parent's farm. What type of research is this?
Pure chemistry
Applied chemistry
