2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt Forms of Energy Electricity Forces & Engineering States of Matter
What do you call stored energy?
Potential Energy
Kinetic energy is…
…energy due to motion.
Light energy has three optical properties. They are:
Reflection Refraction Absorption wallwisher/ 1.html
What is heat?
A transfer of energy: molecular motion
A sound’s pitch is determined by…
…the number of vibrations per second.
This is a negative (-) charged particle.
An electron
An electric current is…
A flow of electrons
A build up of electrons in one location is called…
Static charge.
When an electric current travels along an unintended path it is called…
A short circuit Ooops!
How can you make an electromagnet stronger?
More coil wraps More voltage
Compression is when…
Forces push towards the center of an object. if
This bridge is kept stable by the cables applying…
Tension tbn3.gstatic.com/images?q=tbn:ANd9GcRNygyVznIhZ_dzAxvXUvZV2hXHN4IXqB2EkO_7upnMqv1C BZf5
Friction is…
A force that pulls or resists the motion of two objects in contact with each other… like this: D’oh!
What is a prototype?
A model that is rebuilt with an improvement.
Using a lever, how could you lift up Erica with one finger? w.gif
Move the fulcrum closer to Erica CJgHV3xQMhkKYSEDy4 Fulcrum
For a solid to become a liquid, it must go through this temperature.
The melting point
This is the reason a bathroom mirror fogs up during a hot shower.
Condensation
Sublimation is when…
A solid changes directly into a gas.
What do you call water that evaporates?
Water vapor
For a gas to become a liquid, it must go through this temperature.
The Dew Point