WorksheetsInvestigating Carbon Chemistry
Total questions: 13
Worksheet time: 7mins
Carbon atoms can combine to form many different compounds.
TRUE
FALSE
Which of the following processes contributes to the carbon cycle?
combustion
respiration
photosynthesis
all of the above
Respiration is the process by which ____________ is consumed and _______________ is produced.
carbon dioxide, oxygen
carbon dioxide, energy
energy, carbon dioxide
oxygen, carbon dioxide
What is the control group in an experiment?
a variable that changes due to the independent variable
a variable that does not change during an experiment
a single variable that is changed
the result of the experiment
On the pH scale higher numbers indicate
acids
bases
neither acids or bases
Both acids and bases
What is an independant variable?
a variable that stays the same in an experiment
the result of an experiment
a variable that is changed by the scientist
a variable that changes because of the experiment
Which of the following is the correct word equation for PHOTOSYNTHESIS?
Carbon dioxide + Water --> Glucose + Oxygen
Carbon dioxide + Glucose + Water --> Oxygen
Oxygen + Water --> Carbon Dioxide + Glucose
Carbon dioxide +Oxygen + Water --> Glucose
What is the dependent variable?
a variable that the scientist changes
a variable that does not change during an experiment
the result of the experiment
a variable that never changes
Why are control groups important in an experiment? Check ALL that apply.
allow for VALID results
allow for FAIR results
allow for CORRECT results
allow for COMPARISON
