Forms of Energy 1
This type of energy is stored energy.
potential energy
This type of energy is moving energy.
Kinetic
Energy stored in the chemical bonds
chemical
List the energy transfers from an electric stove
electric ‐> thermal
True or false: you can create energy.
false
This form of energy is energy flowing through a circuit.
electrical energy
Kinetic energy is the energy of __________
motion
A rollercoaster at the type of an incline currently not moving has what type of energy
gravitational potential energy
List the energy transfers for a television
electricity -> heat, light, and sound
True or false: you can destroy energy.
false
This form of energy is the found inside a battery and the food we eat.
chemical energy
These forms of energy are present in an electrical circuit with one light bulb.
chemical, electrical, and light
These two forms of energy can come from a fire.
thermal and light
List the energy transfers for turning on a flashlight.
Chemical‐> electrical ‐> light ‐> heat
Newtons laws was named after what famous scientist (full name and country of origin)
Sir Isaac Newton of Great Britain
This form of energy is the energy of motion
mechanical energy
Which kind of energy does a book resting on a table have?
potential
If the mass of the bike is 20kg and its moving at 3m/s, what is the KE?
Remember your units and the equation KE = 1/2mass x velocity squared
90 Joules or Newtons
When you turn on a hair dryer, electrical energy changes to ________, _________, and ________.
mechanical, heat, and sound
Newton's First Law states...
that an object at rest will remain at rest unless an unbalanced force acts on the object. An object in motion will remain in motion unless acted on by an unbalanced force.
Name the energy transformations in a toaster
electric to heat and light
A cell phone demonstrates these 5 energies.
chemical, electrical, light, sound and thermal
The car weighs 120kg and is traveling at 7 meters/sec. What is the KE?
Remember your units and the equation KE = 1/2mass x velocity squared
2940 Joules or Newtons
List the energy transfers for turning on a television.
electrical‐> light ‐> sound‐> thermal
Protons have a ______ charge, while electrons have a _____ charge
positive, negative