Energy Forms
A Frog is eaten by a bird. What kind of energy exchange has happened?
Transfer of chemical energy
What is energy?
The ability to do work
A solar panel being used to power a house is a transformation of what forms of energy?
Light (sun) into electrical (home power)
A ball that has been kicked and is rolling down a hill is in what state of energy?
Kinetic
Why did we need to feed our cyclist in the Phet Lab?
She needed an input of Chemical energy to continue to do work, exerting Mechanical energy
You are using your toaster to heat up a Poptart. What form of energy does the toaster use, and then transform it into
Electrical, Heat
The law of conservation states (both parts of the definition)
Energy cannot be created or destroyed, only transferred or transformed
A Musician plays guitar and uses __________ energy to create ___________ energy.
Mechanical, Sound
What are the two forms of energy that are typically found in the potential state?
Chemical and Nuclear
Turning on the water faucet released _________ energy into the wheel, which then ____________ into ______ energy
Mechanical, transformed, electrical
A log is on fire. What is the energy transformation taking place?
Chemical (log), to thermal (fire)
Energy passing from one object to another object without changing form is called
Choose an example of how Chemical---> Electrical
*answers may vary*
Example: Battery chemical energy release electricity
Sound waves are in what energy state?
Kinetic
The sun released ____________ energy, which was ____________ into ____________ energy by the solar panel which was then ______________ into ________________ for a lightbulb.
Light, transformed, Electrical, Transferred Electrical
Nuclear
A push or a pull
Force
A plug-in kettle takes in _________ energy and _____________ it into ___________ energy.
Electrical, Transform, Thermal
What state is being described: Stored energy that depends on the position of an object
Potential
Write a three-step system of energy showing what was happening at the Battery Motor Lab Station.
Chemical (internal battery) ----> electrical (released from better with wires) -----> Mechanical (motor turning)
A Human riding a bike is a transformation from what energy to what energy?
Chemical (human) to Mechanical (bike movement)
What is a result of a force causing an object to move over a distance?
Work
Lucy the Goosey eats a worm then spends her afternoon chasing butterflies. Write a three-step energy transfer/ transformation that is taking place
Example: Chemical (worm)-----> Chemical (lucy)----> Running (mechanical)
What is the difference between Fusion and Fission in Nuclear energy?
Fusion: 1. combining of halves of atoms 2. what happens on the sun
Fission: 1. Splitting of atoms 2. what humans do to make energy in a controlled environment
Write a four-step system of energy transfer/transformation for the magnesium demonstration
Chemical (gas) -----> thermal (fire) -----> light (Magnesium) -----> Thermal (heat from burst)