What's an Engineer?
The main goal of engineering is:
a. to fix things
b. to problem solve
b
this energy comes from fast-moving air and turns turbines
what is wind energy
A very strong shape in which engineers commonly use in designs.
triangle
this type of vehicle doesn't use gas and is better for the planet
what is an electric car
this "R" means making less garbage in the first place
This type of engineer designs buildings and bridges
what is a civil Engineer
this power comes from water moving in rivers or dams
what is hydroelectric power or water power
A pulley, lever, and screw are examples of this.
Simple machines
this person invented the light bulb
Thomas Edison
Three examples of renewable energy sources
Wind, Solar, and Hydro
Engineers often follow this 5-step process to solve problems (ask, imagine, plan, create, improve
what is the engineering design process
The greenhouse gas produced in the largest quantity by human activities is ___
carbon dioxide (CO2)
True or false. Electricity can only flow if electrons are motionless.
False
Velcro and wind turbines were designed based on burs and whale fins. This is called ___
biomimicry
Another name for landfill runoff
Leachate
Engineers build a smaller version of something to test their ideas
prototype
this type of energy comes from plants or food waste
what is biomass or bioenergy
The ___ brings nutrients and water from the ground up the plant.
Xylem
This invention absorbs photons which excites electrons to produce electricity
Solar panels (AKA photovoltaic panels)
Three ways we can reduce green house gas emissions
using renewable energy sources, reducing deforestation, take public transportation, ect.
this engineer might work on machines, engines, or cars
what is a mechanical engineer
This type of energy comes from deep inside the Earth, where it’s hot enough to make steam and electricity.
geothermal energy
Name the three variables in any good experiment
Manipulated, responding, control
Wind turbines convert wind energy into ___ energy and finally into ___ energy
mechanical, electrical
This term means the variety of all life—plants, animals, and ecosystems—on Earth.
Biodiversity