WorksheetsMrs. Carpenter's Chemistry Chapter 1 Review
Total questions: 36
Worksheet time: 36mins
The study of matter and the changes it undergoes is called ____.
chemistry
science
substance
technology
Where is ozone located in Earth's atmosphere?
troposphere
stratosphere
exosphere
mesosphere
What elements are found in chlorofluorocarbons?
carbon
cesium
magnesium
fluorine
chlorine
Which of the following is something you should NOT do in a lab?
read the label of chemical bottles before using it
pour unused chemicals back into their original bottles
use lots of water to wash skin that has been splashed with chemicals
take only as much as you need of shared chemicals
An observation made with your senses
Qualitative observation
Quantitative observation
temperature
conclusion
An observation made with your senses
Qualitative observation
Quantitative observation
temperature
conclusion
What is an hypothesis?
a guess
a testable, tentative explanation
a theory
data
What is a manipulated variable (independent variable)?
the variable that changes as a result of the experiment
the variable that the scientist changes
the evidence
the quantitative observation
Based on the graph, what happens to the solubility of CO2 as the temperature increases?
it increases
it stays the same
it decreases
what is a graph?
What is an example of pure research?
creating synthetic elements to study their properities
producing heat-resistant plastics for use in household ovens
finding ways to slow down the rusting of iron ships
searching for fuel other than gasoline to power cars
What is a control?
a variable that is unchanged to compare results to
a changed variable
a hypothesis
a conclusion
Which of the following is an example of quantitative data?
grey
oily
44.2oC
Copper
What is chemistry?
the study of matter
the study of the universe
the study of science
the study of numbers
Anything that has mass and takes up space is called
matter
element
electron
nucleus
Describe following statements as qualitative or quantitative. The temperature is now 345 Kelvin.
qualitative
quantitative
Describe each of the following statements as qualitative or quantitative. The substance is red.
qualitative
quantitative
The following are scientific methods of experiments, except:
Making observations
Making survey
Formulating hypothesis
Performing experiments
Why is air matter?
Because it moves
Because you breathe it in
Because it has mass and volume
Because it is called air
When working in the lab which of the following is allowed?
Drinking
Wafting
Eating
Wearing sunglasses
which apparatus is this
Test Tube
Beaker
Graduated Cylinder
Flask
What is the scientific method?
Steps taken to run an experiment
A way of coming up with ideas
How to become a scientist
The study of science
Why would a scientist retest their experiment?
To confirm their results
Because its fun to explode stuff
To try and get a different outcome
To try and prove their original hypothesis
Why is ozone important?
it absorbs harmful UV radiation
it keeps the sky blue
it prevents acid rain
it decreases pollution
Which measurement depends on gravitational force?
mass
weight
volume
density
What is the measurement?
20.4 mL
28 mL
24 mL
25 mL
What is the measurement of AB?
4 cm
4.0 cm
4.1 cm
40 mm
Which branch of chemistry has an emphasis on carbon-containing compounds?
organic chemistry
biochemistry
inorganic chemistry
physical chemistry
How would your mass and weight differ on the moon?
both mass and weight would be decreased
both mass and weight would be increased
mass would increase and weight would stay the same
mass would stay the same and weight would decrease
You are studying the effect of temperature on the volume of a balloon. The balloon's size increases as it is warmed. What is the independent variable?
size of balloon
amount of air in balloon
temperature
type of balloon
You are studying the effect of temperature on the volume of a balloon. The balloon's size increases as it is warmed. What is the dependent variable?
size of the balloon
temperature
amount of air in the balloon
type of balloon
The thinning of the ozone layer is also known as the
ozone hole
ozone gap
ozone space
ozone void
How many oxygen atoms does a molecule of ozone contain?
1
2
3
4
The depletion in the Ozone layer is caused by:
Carbon dioxide
Nitrous oxide
Methane
Chlorofluorocarbons
Where is the largest 'hole' in the ozone layer located?
Over the United States
Over Europe
Over Antarctica
Around the equator
What happens to form ozone gas?
Oxygen molecules interact with the UV rays from the Sun.
Chlorine molecules interact with the UV rays from the Sun.
Oxygen and chlorine molecules produce a gas.
