Science 1
the ability to do work
EX: The ability of a car to move forward with the use of gas.
Potential Energy
Stored Energy
EX: unstretched elastic piece
Kinetic Energy
Energy in movement
EX: swinging a swing
The conservation of energy principle
Energy is cycled and cannot be destroyed
EX: Turn off the TV when nobody is watching
Photons
light particles from the sun
EX: Particles emitted by the sunlight
Transfer of Energy
Energy must be kinetic form to transfer
EX: Hitting a baseball with a bat
Hydropower
particle collected and charge by an electric generator
EX: A hydroelectric power station in a river or a dam.
Biomass
plant and animal matter
EX: Bio gas (Fossil Fuel) are use as a combustible.
Geothermal power
Heat and particles that are transferred from volcanic rocks, usually to a copper wire.
EX: Volcanic Lava
Key aspects of the engineering design cycle
define the problem, design a solution, review and if needed repeat each step.
EX: Trying to improve and find new energy resources.
Enviormental impact
the effect of a new system in a environment.
EX: Deforestation.
Economic impact
Sources of energy that can be replaced, can have economic impact because of cost.
EX: Solar Panels
Social/Community impact
Everybody struggles when there is not electricity.
EX: Blackouts. Concern about contamination.
Renewable Energy
Wind and solar power
EX: Use of Solar panels.
Non-renewable energy
Sources of energy that cannot be replaced as quick as they are used
EX: Nuclear Energy, Natural Gases, coal
Sustainability
The ability to maintain a process over time.
EX: Save water, Save energy
What do arrows show in an energy transfer system?
The arrows show how the energy enters and travels through a system.
EX:
What is the effect of motion on Kinetic Energy?
If we increase the motion of something we increase its kinetic energy.
Thermal Energy
Created by heat and also referred as heat energy
The iterative scientific solution cycle
When the community is participating by recycling.