32 terms

Forms of Energy

Chapter 13 (p.409-421)
The ability to do work or cause change is _____.
Transfer of energy = _______
The two types of energy are ______ and ______.
kinetic and potential
(mass x velocity squared) / 2
is the equation for _____ ______.
kinetic energy
Energy stored (at rest) is ____ _____.
potential energy
weight x height
is the equation for _____ ______.
potential energy
The 3 types of potential energy are:
____ _____ _____
_____ ______
______ ______ _____
elastic potential energy, gravitational potential,and gravitational potential energy
mass x gravitational x height x acceleration is the equation for _______ _______ _______.
gravitational potential energy
The unit for potential energy: _____.
Mechanical energy is _____ ____ ___ _____ or the position of an object.
associated with the motion
Mechanical energy of moving objects is called _____ ______.
kinetic energy
Mechanical energy of an object due to its position is called ______ _______.
potential energy
1. the school bus you ride in
2. a frog leaping through the air
3. sounds you hear
these are all examples of ____ _____.
Mechanical energy
Nuclear energy is stored in an atom's _____.
The type of nuclear reaction when a nucleus splits is called _____ _____.
nuclear fission
The type of nuclear reaction when atoms fuse is called ____ _____.
nuclear fusion
1. occurs in suns/stars/fission
2. powerplant/fusion
these are example of ______ _____.
nuclear energy
Chemical energy is when energy is stored in the bonds between _____ ______.
chemical compounds
Chemical energy comes from ______ ______ _____ in chemical bonds.
potential energy stored
Electromagnetic energy is energy from the _____ of an _____ that travels in _____.
nucleus, atom, waves
1. visible light
2. ultraviolet radiation
3. microwaves
these are all examples of _____ ______.
electromagnetic energy
Electrical energy is when moving electric charges produce _______.
1. batteries
2. power lines
3. lights, TV, etc.
there are all examples of _____ _____.
electrical energy
Heat (thermal energy) is when energy flows from a ___ substance to a cooler substance.
In heat (thermal) energy, the _____ move faster.
Heat (thermal) energy makes the temperature of the object ____.
The ____________ states that energy cannot be created nor destroyed.
Law of Conservation of Energy
Energy cannot be _____ - it can only be _____ from one form to another.
destroyed, converted
Does a parked car with a tank full of gas have potential or kinetic energy?
Potential energy
Does a rock that is falling have potential or kinetic energy?
Kinetic energy
Does a rock that has hit the bottom of a cliff have potential or kinetic energy?
potential and kinetic energy
Does a bowl of fruit on the edge of a counter have kinetic or potential energy?
Potential energy