WorksheetsEnergy Transformations
Total questions: 15
Worksheet time: 12mins
Which description of the energy conversions in this process is correct?
The chemical energy in the fuel-air mixture is converted to thermal energy, which is then converted to mechanical energy
The mechanical energy in the fuel-air mixture is converted to electrical energy, which is then converted to thermal energy
The electrical energy in the fuel-air mixture is converted to mechanical energy, which is then converted to thermal energy
The thermal energy in the fuel-air mixture is converted to electrical energy, which is then converted to mechanical energy
Students build a circuit that has wires that connects a battery to a switch and a fan.
Which energy transformations happen when the students close the circuit and the blades of the fan begin to spin?
Chemical to mechanical to electrical
Electrical to chemical to mechanical
Chemical to electrical to mechanical
Mechanical to electrical to chemical
Which energy transformation happens when the blades are spinning as shown?
Electrical to mechanical
Chemical to electrical
Mechanical to electrical
Chemical to mechanical
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?
Chemical energy to thermal energy to sound energy
Thermal energy to sound energy to light energy
Electrical energy to thermal energy to sound energy to light energy
Light energy to chemical energy to kinetic energy to sound energy
A cook heats a meal in a microwave oven. What energy transformations occur between the microwave oven and the meal?
Electrical energy to light energy to chemical energy
Chemical energy to thermal energy to light energy
Electrical energy to electromagnetic energy to thermal energy
Chemical energy to electromagnetic energy to chemical energy
A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?
The chemical energy stored in the match changed to thermal energy and light energy
The thermal energy stored in the match changed to light energy and chemical energy
The light energy and thermal energy stored in the match changed to mechanical energy
The light energy and thermal energy stored in the match changed to chemical energy
This appliance dries clothes primarily by converting -
electrical energy to heat and mechanical energy
mechanical energy to heat and electrical energy
electrical energy to heat and light
mechanical energy to heat and vaporization
When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts =-
chemical energy to mechanical energy
electrical energy to chemical energy
chemical energy to light energy
mechanical energy to chemical energy
What energy transformations occur when propane gas is used to lift the balloon?
Mechanical -> light -> chemical
Chemical -> mechanical -> thermal
Thermal -> chemical -> light
Chemical -> thermal -> mechanical
Electrical Energy
Electrical Outlet
Chemical Energy
Battery
Mechanical Energy
Movement
Thermal Energy
Heat
Chemical Energy
Thermal Energy
Light Energy
Mechanical Energy
What energy transformations occur when a solar panel is used to power a fan?
Light energy to electrical energy to mechanical energy
Electrical energy to light energy to mechanical energy
Mechanical energy to electrical energy to light energy
Light energy to mechanical energy to electrical energy
What energy transformations occur when a flashlight is turned on?
Chemical energy to electrical energy to light energy
Electrical energy to chemical energy to light energy
Light energy to electrical energy to chemical energy
Electrical energy to light energy to chemical energy
What energy transformations occur when a wind turbine is spinning?
Mechanical energy to electrical energy
Electrical energy to mechanical energy
Thermal energy to mechanical energy
Chemical energy to mechanical energy
Battery
Gasoline
Driving a car
Riding a bicycle
Sharpening a pencil
Stretched Rubber Band
Turning on a lightbulb
The Sun
