Energy Types
Which type of energy allows us to see?
Light Energy
A lamp is plugged in and lights up. Electrical → ___
Light Energy
Electrical → ___ → Motion. The blades spin and push air.
Fan
A toaster makes bread hot. What output energy is produced?
Thermal Energy
What is energy?
The ability to cause change/make things happen
Which type of energy is associated with heat?
Heat Energy
Electrical → Speaker → ___
Sound Energy
Electrical → ___ → Thermal. It makes bread hot.
Toaster
A television's screen lights up and you hear voices. Name TWO output energies.
Light and sound
What is an energy transformation?
Energy changing from one form to another
A rolling soccer ball has what type of energy?
Mechanical or Motion Energy
Electrical → Fan → ___
Mechanical Energy
Electrical → ___ → Light + Sound. You watch shows on it.
TV
An electric pencil sharpener spins and buzzes. Name TWO output energies
Motion and sound
What is an energy converter?
A device/object that changes energy from one form to another
What type of energy is stored in food and batteries?
Complete: Electrical → Television → ___ + ___
Light + Sound Energy
Electrical → ___ → Thermal + Motion + Sound
Hair Dryer
A microwave uses electricity and makes cold food hot. Identify the input AND main output energy.
Electrical → thermal
A student says, “A toaster creates new energy.” Correct the student.
It transforms electrical energy into thermal energy.
A hair dryer blows warm air and makes noise. Name THREE output energies.
Thermal, motion, and sound
Complete the entire transformation for an electric pencil sharpener.
Electrical → pencil sharpener → motion + sound
Mystery: I use electricity. I have spinning blades. I move air and make sound. What converter am I?
Fan
A device uses electrical energy and produces motion, sound, AND thermal energy. Name a possible device AND explain your evidence.
Hair dryer; it blows/moves air, makes sound, and produces heat.
Find the mistake: Electrical → Light → Lamp.
Electrical → Lamp → Light