WorksheetsEnergy Changes & Forms (POST LAB QUIZ)
Total questions: 20
Worksheet time: 10mins
What type of energy was the heating source from Part A of the simulation?
thermal
chemical
mechanical
light/radiant
What is the direction of heat flow if two objects are in contact and start out at different temperatures?
high to low temperatures
low to high temperatures
heat does not flow, it remains within the original sample of matter
heat always flows outward
When you placed the heated piece of iron into the room temperature water, what happened to the temperature of the water AND what happened to the temperature of the sample of iron?
the temperature of the water increased while the temperature of the sample of iron decreased.
the temperature of the water decreased while the temperature of the sample of iron increased.
the temperature of the water increased and the temperature of the sample of iron increased.
the temperature of the water decreased and the temperature of the sample of iron decreased.
In part B, what was the color of the energy symbols for the chemical energy?
green
orange
yellow
blue
grey
In part B, what was the color of the energy symbols for the thermal energy?
green
orange
yellow
blue
grey
In part B, what was the color of the energy symbols for the mechanical energy?
green
orange
yellow
blue
grey
In part B, what was the color of the energy symbols for the light energy?
green
orange
yellow
blue
grey
In part B, what was the color of the energy symbols for the electrical energy?
green
orange
yellow
blue
grey
In part B, what force was acting on the water as it was released from the faucet?
gravity
radioactivity
electricity
magnetism
What specific type of kinetic energy does the water possess as it falls onto the turbine
mechanical
electrical
chemical
thermal
As the water falls from the faucet, the turbine turns and the energy from the water is converted to ________________ energy in the turbine.
mechanical
electrical
chemical
thermal
As the turbine spins, the mechanical energy is converted to _________________ energy and then to ____________ energy as the heat flows through the water and the water starts to vaporize.
mechanical; thermal
electrical; thermal
chemical;thermal
thermal;electrical
Is the final result of the water boiling a chemical change or a physical change?
Physical Change
Chemical Change
Both a CC & PC
In part B, question j, when you changed the water (on the far right) to the fan, what was the order of the energy transformations you observed?
mechanical (water), mechanical (turbine), electrical (wire), mechanical with a small amount of thermal (fan)
mechanical (water), thermal (turbine), electrical (wire), mechanical with a small amount of thermal (fan)
chemical (water), mechanical (turbine), electrical (wire), mechanical with a small amount of thermal (fan)
mechanical (water), mechanical (turbine), electrical (wire), thermal (fan)
What piece of equipment was necessary for the sunlight's energy to be harnessed and put to use?
solar panel
turbine
bicycle
electrical wire
What form of energy was present in the biker initially?
chemical
electrical
mechanical
thermal
What did you have to do, in order to sustain the biker's ability to initiate an energy transformation when she became tired?
feed her
allow her to rest
give her some water to drink
nothing, she was like the energizer bunny...she kept going and going and going...
What is the SI unit of energy?
Joule
calorie
candelas
amperes
What is a common unit of energy that is used on nutrition labels?
Joule
calorie
candelas
amperes
The chemical energy from the cyclist is converted to kinetic energy in the form of _______________& ____________ then the turbine turns and converts the energy to ________________ energy in the wires. Finally the electrical energy is converted to ____________ & _______________ in the bulb.
mechanical & heat; electrical; light & thermal
mechanical & light; electrical; light & chemical
mechanical & chemical; electrical; light & thermal
mechanical & heat; electrical; chemical & thermal
