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Metric Conversions
Dimensional Analysis
Experimental Design
Energy
Misc
100
5.2 kg to mg
5200000 mg
100
What is the goal unit for: An average human heart beats 60 times per minute. If an average person lives to the age of 75, how many times does the average heart beat in a lifetime?
beats per lifetime
100
Why is reproducibility important?
Scientific ideas are not believable unless they can be proven over and over again.
100
Give an example of kinetic energy.
100
What is the biosphere?
the zone of life on earth
200
2.1113 km to ____ cm
211130 cm
200
What is the goal unit for: A child requires a 5 ml dose of medicine each day. How many days would a gallon of this medicine last
days per gallon
200
What is the dependent and independent variable of this experiment: A scientist studies the impact of withholding affection on rats.
The independent variable is the amount of affection. The dependent variable is the reaction of the rats.
200
Give an example of high usable energy.
200
What role to oceans play in the carbon cycle?
Oceans absorb CO2 from the atmosphere
300
900 kL to ___ L
900000 L
300
What are the conversion factors for: How many seconds are in two years?
300
What would the control group be for an experiment that tests the effectiveness of air fresheners?
300
Give an example of low usable energy.
300
Give an example of a commons.
400
102 cg to ___ mg
1020 mg
400
Solve: An average human heart beats 60 times per minute. If an average person lives to the age of 75, how many times does the average heart beat in a lifetime?
2365200000 beats per lifetime
400
What are the steps to the scientific method?
Observation Question Hypothesis Experiment and data collection Analysis Conclusion
400
What is the first Law of Thermodynamics?
Energy can change from one form to another, but we can never create or destroy any of the energy involved
400
What type of feedback loop? The more ice that melts, the more dark-colored ocean is exposed, and the more heat the world absorbs.
Positive feedback loop.
500
16000 L to ___ kL
16 kL
500
Solve: How many square cm is a room that is 3 ft by 6 ft?
18989.1072 cm squared
500
If a scientist conducts an experiment to test the theory that a vitamin could extend a person’s life-expectancy, then: The independent variable is ______________ The dependent variable is ______________
The independent variable is the vitamin exposure The dependent variable is life-expectancy
500
Give an example of loss of usable energy during an energy conversion (2nd Law of Thermo)
500
Give an example of a nitrogen-fixing producer.
Legume, cyanobacteria