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SIS Second Nine Weeks 6th

Chapter 16
by

Pam Waters Carson

on 7 April 2016

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Transcript of SIS Second Nine Weeks 6th

Springing To Action
by Celia Berrell
What Is Energy?
Energy is the ability to do work.
Work is done when a force moves an object through a distance.
Power is the rate at which energy is transferred, or the amount of energy transferred in a unit of time.
Power = Energy transferred
Time
Kinetic Energy
There are two basic kinds of energy -
kinetic energy and potential energy.

Kinetic energy is the energy of motion.

Kinetic energy = ½ X Mass X Velocity²
Potential Energy
Potential Energy is stored energy that results from the position or condition of an object.

Gravitational potential energy is potential energy related to an object’s height.

Gravitational potential energy = Weight X Height

Elastic potential energy is potential energy that results when objects are stretched or compressed.
6th Grade
Chapter 16
Mrs. Carson

Energy Transformations and Conservation
Sprrr-ing is such an active word.
You can hear it gathering up its force.
Ready to burst out a kind of ping.
Releasing its energy on a course.

It’s the name we give to the season when
all living things gear up to abound.
We use it to label a water source
that’s pushing its way through the spongy ground.

It’s also the name we give a device
that bends and moves but will not crack.
It’s often metallic and flexible.
If it’s pushed or pulled, it does the same back.

A spring isn’t always a coiled-up wire.
It could be a curve or a V-shaped bend.
Like a bow that shoots arrows through the air
or a pair of tweezers with open ends.

A spring can be made from a plastic mould.
a blister or mound or a curvy dome.
They’re hidden in keyboards for typing things
or used on the pad of a mobile phone.

A pen you can click, an old paper-clip.
A clock that goes tick, a peg you can grip.
A doorknob that twists.  A bike bell that rings.
It’s likely they’ve all got some kind of Sprrr-ing!
What I Know
What I Want To Know
What I Learned!
Energy
Forms of Energy
Mechanical Energy is energy associated with the position and motion of an object.
Mechanical Energy = Potential Energy + Kinetic Energy
Thermal Energy is the total potential and kinetic energy of the particles in an object.
Electrical Energy is the energy of electric charges.
Chemical Energy is potential energy stored in the chemical bonds that hold chemical compounds together.
Nuclear Energy is energy stored in the nucleus of an atom.
Electromagnetic energy travels in waves, some have electrical properties and some have magnetic properties.
Forms of Energy
What is a transformation?
When you transform something what happens to it?
Energy
Energy Transformations
A change from one form of energy to another is called an energy transformation.

Single transformations occur when one form of energy is transformed into another form of energy.
Multiple Transformations
Multiple transformations occur when a series of energy transformations are needed to do work.
The Law of Conservation of Energy
Energy cannot be created or destroyed!
Energy and Fossil Fuels
1. There is potential energy.
2. There is kinetic energy.
3. Energy is everywhere.
4. The sun produces energy.
5. Energy can be good or bad.
6. Lightening produces energy.
7. Anything moving creates kinetic energy.
8. Anything that stands still creates potential energy.

1. How is energy good or bad for us?
2. How fast does energy travel?
3. Where did the first speck of energy come from?
4. Who discovered energy?
5. How does the sun produce energy?
6. Who was the first person to put energy to use?
7. How does friction create heat energy?
8. Can you contain energy?
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