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Science 8

Energy Questions

What is energy? The ability to do work.
What does it mean to "do work?" It means to cause a change in something.
A baseball flies through the air and hits a window and breaks the glass into small pieces. The moving baseball has what in it?? Energy
What is energy from the transport of electrons? Electrical Energy
What is energy released from chemical bonds? Chemical Energy
What do we call the type of energy when light is released? Radiant Energy
What do we call the type of energy when heat is released? Thermal Energy
Sunlight is an example of what type of energy? Radiant Energy
Lava is an example of what type of energy? Thermal Energy
When we digest our breakfast - what type of energy is used? Chemical Energy
A light bulb is an example of what type of energy? Electrical Energy
The energy of motion is called ______________ Kinetic Energy
Kinetic energy depends on mass and __________________ velocity
Stored energy is called ___________________ potential energy.
A roller coaster car sitting on top of the track has what type of energy? Potential Energy
A roller coaster car moving up and down the track has what type of energy? Kinetic Energy
What type of potential energy is stored in an object based on its height and mass? Gravitational Potential Energy
What is the formula for GPE (gravitational potential energy) GPE = mgh
What is the law that states energy cannot be created or destroyed - only transformed and transferred. Law of Conservation of Energy
KE = 1/2mv2 What is this formula for? Kinetic Energy
What is the unit for energy? Joules (J)
What is the total amount of kinetic and potential energy in a system? Mechanical Energy
Created by: lmso103