The main idea behind engineering.
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 device can be used to control a computer using alligator clips.
Makey-Makey
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)
Which or the following are true about circuits?
a. Wood is a good conductor
b. Copper (metal) is a good conductor
c. A circuit must include a power source.
d. Electricity flows only if the circuit is closed
b, c, and d are true.
This invention is a small microcontroller (computer) that can control different types of sensors, LEDs, or displays.
Hint: we used it to make a thermostat and a parking gate.
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
________ is causing unusual patterns of climate globally.
Climate Change
Insulators ____ electrons from moving around.
prevent/stop
This invention absorbs light 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
What does areospace engineering mean?
The science of 1-part space navigation, 1-part areo (flight) navigation. Engineering involving things that fly both on earth and space.
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