Definitions
Any harmful substance that affects Earth's land, air or water.
Pollution
Water Pollution can be caused by?
Oil spills
The act of saving protecting or using resources wisely
Conservation
What is the first step in the design process?
Identifying a problem
To use a resource again and again
Reuse
A series of steps that engineers follow to come up with a solution to a problem
Design process
What causes air pollution?
Burning fossil fuels
Why do we need to conserve resources?
So they can last longer and not run out.
What is generating ideas called?
Brainstorming
Which two resources have the least impact on the environment?
Solar and Wind
An original or first model of something from which other forms are copied or developed.
Prototype
What kind of pollution/ accident can affect both land and air?
Nuclear accident
To use less of a resource
Reduce
What happens after you make a model?
Test the model
What three resources can be used to power vehicles to will help reduce air pollution?
Solar, Biofuel, Electricity
Something that limits or restricts someone or something
Constraints
What kind of process leads to habitat loss and removing top soil, plants and trees.
Strip mining
To change one resource to a completely new resource.
Recycle
Why do materials engineers use the design process?
To make sure the new material/ product meets the criteria.
How can you increase the brightness of a lightbulb connected to a solar cell?
By putting the solar panel in the sunlight or under bright light.
Standards on which a judgement or decisions maybe based.
Criteria
What percentage of energy resources used by American from fossil fuels?
86%
What three things can be done to conserve gasoline?
Car pooling, using public transportation, driving less.
What knowledge do scientists and engineers need to design vacuum insulated mugs?
Energy transfer and insulation.
What can help improve the design of a model?
Information from failed solutions