What is Energy?

What is Energy?

How do we rely on energy and its use?

Energy

Just what kinds of energies are there, and where is it found?

Poll

From the video, do you think you could do the swing like he did?

• Yes

• No

• I'd have to check it out first

• NO, NO, NO!

• OH YEAH, I would love too!

Energy is the ability to do work.

• There are two main types of Energy

• Potential

• Kinetic

Multiple Select

What are the two key types of energy?

• Kinetic

• Potential

• Mass

• Liquid

Potential Energy

• The energy that is stored and being held, waiting to be used

• A spring

• Car parked

• Child at the top of a slide

Kinetic Energy

• The energy of motion

• Rolling a ball down a hill

• Riding a bicycle

Other Types of Energy

• Mechanical

• Electromagnetic

• Electrical

• Chemical

• Thermal

• Sound

Multiple Select

What are the four main forms of energy?

• Electrical

• Mechanical

• Chemical

• Space

• Thermal

Mechanical Energy

• Energy due to an object's motion or position

• The gears in a watch have mechanical energy

Electrical Energy

• The energy caused by the movement of electrons

• Lamps, computers, cell phones

Multiple Choice

Are you currently using electrical energy?

• False

• True

Chemical Energy

• Energy that is available for release from a chemical reaction

Other forms of chemical energy

• Photosynthesis

• Food is processed in living organisms

Thermal Energy

• Heat energy

• The heat energy of an object determines how active its atoms are

What is Sound Energy?

Sound is the movement of energy through the substances in waves.

Examples - Headphones, car horns, music

What is Electromagnetic Energy?

• Xrays

• Microwaves

• Radio waves

Poll

Which form of energy do you think you use the most?

• Mechanical

• Chemical

• Thermal

• Electrical

Next, we will dance our way into Renewable and Nonrenewable Energies

(Ah yes, the Friday jokes!)