Show:
Forces and Work
Energy
Waves
Energy Transformation
Electricity
100
What is a force applied over a distance?
Work
100
What is the energy of light waves?
Light energy
100
What is a periodic vibration of medium as energy travels through it?
Wave
100
What transforms chemical energy into electrical energy?
Battery
100
What is a property of matter that can be positive, negative, or neutral?
Electric charge
200
What is the name of something that changes the strength or direction of an applied force?
Machine, simple machine, compound machine
200
What is the energy of sound waves?
Sound energy
200
What is the name for what a wave travels through?
Medium
200
What transforms electrical energy into kinetic energy?
Electric motor
200
What is flowing electric charge called?
Electric current
300
What is the name for the type of friction that occurs when something moves through a liquid or a gas?
Drag
300
What is the sum of kinetic energy and potential energy?
Total mechanical energy (or TME)
300
In what type of wave does the energy travel perpendicular to the direction of the medium's vibration?
Transverse (or light wave, or EM wave, or electromagnetic wave)
300
What transforms light energy into electrical energy for your brain?
Eye
300
What is a complete loop for current to flow through?
Circuit
400
When the forces on an object are unbalanced, what will happen to the object?
Acceleration OR Its motion will change OR Its speed will change OR Its velocity will change BUT NOT "It will move"
400
What is the energy of temperature?
Thermal energy
400
What is the name for a wave that travels through electric and magnetic fields?
Light wave, or EM wave, or electromagnetic wave
400
What transforms sound energy into electrical energy for your brain?
Ear
400
When current cannot travel through a circuit, the circuit is... what?
Open
500
What two properties affect the strength of gravity?
Mass and distance
500
What happens when heat is transferred by direct contact?
Conduction
500
What type of wave travels slower the less dense the medium is?
Sound wave, or mechanical wave
500
What transforms kinetic energy into electrical energy?
Electric generator
500
When current has more than one path to travel through a circuit, the circuit is... what?
Parallel