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
Three examples of renewable energy sources
Wind, Solar, and Hydro
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
This source of energy formed millions of years ago and is now a major cause of pollution
Fossil Fuels
Engineers often follow this 5-step process to solve problems (learn, design, build, test, deploy)
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
We can input information into computers to develop algorithms and models that allow these computers to recognize patterns and analyze data. What is this called?
Machine Learning
This type of natural disaster can have both positive and negative effects on the environment and surrounding ecosystems.
Wildfires
Engineers build a smaller version of something to test their ideas
prototype
Polar bears are losing their sea ice due to this problem.
Global warming
Insulators ____ electrons from moving around.
prevent/stop
This invention absorbs photons which excites electrons to produce electricity
Solar panels (AKA photovoltaic panels)
Only __% of the Earth's water is fresh water/drinkable water, so it is important to protect it!
3
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
Clean water shows as the colour ___ on litmus paper, which represents neutral on the __ scale.
green, pH
Wind turbines convert wind energy into ___ energy and finally into ___ energy
mechanical, electrical
An ____ ____ is a measure that indicates how much resources from the environment are required to support a specific way of life
ecological footprint