Forms of Energy
What type of energy is produced by the Sun?
Light Energy
What energy transformation occurs in a light bulb?
Electrical → Light
What will happen to heat when you immerse a warm fruit juice bottle in container of ice water?
Heat will leave the fruit juice bottle and be absorbed by the ice water.
Transmitting heat by transporting groups of molecules from place to place within a substance.
What is convection
What is the main source of energy for life on Earth?
The Sun
What type of energy is stored in food and batteries?
Chemical Energy
What energy transformation occurs when you eat food and then run?
Chemical → Mechanical
A hot copper pan is dropped into a tub of water. If the water’s temperature rises, what happens to the temperature of the pan?
It decreases
Heat energy is transmitted through contact with neighboring molecules.
What is conduction?
What happens to energy when it is used?
It is transformed, not destroyed
What type of energy is produced by moving objects?
Kinetic Energy
What energy transformation occurs in a toaster?
Electrical → Thermal
How would you determine when two objects that are in physical contact have thermal equilibrium?
When they have the same temperature
Transfer of heat energy through particular electromagnetic wavelengths.
What is radiation
What form of energy do we use to see objects?
Light Energy
What type of energy is stored in objects due to their position?
Potential Energy
What energy transformations occur for a battery to power a flashlight?
Chemical → Electrical → Light)
How can the temperature of an object be changed?
By adding or removing heat
What is an example of heat energy movement by conduction?
pan on a stove
touching an ice cube
What type of energy transformation is used by an electric motor?
Electrical → Mechanical
Type of energy that create moving currents?
What is convection?
Explain the energy transformation in a wind turbine.
Wind → Electrical
What is being measured when determining the temperature of an object?
Average kinetic energy of the molecules
What is an example of heat energy movement by convection?
Ocean currents
Magma Currents
Atmospheric currents
What type of energy transformation occurs when fuel is burned in a rocket?
Chemical → Mechanical