Nonrenewable Resources
What is a nonrenewable resource?
A resource that cannot be used again. It will run out.
What is a renewable resource?
A resource that is able to be used again. It will not run out.
What kind of energy can be harnessed using solar panels?
solar energy from the sun
How does coal use impact the environment?
It causes pollution.
An engineer always starts off with a _.
problem
What is a fossil fuel?
An nonrenewable energy source formed from dead plants and animals from millions of years ago
Where does wind energy come from?
The Wind
What kind of energy can be harnessed using a turbine?
wind energy
How can hydroelectric dams affect the environment?
They block rivers and streams. They flood the land around the reservoir.
What are materials?
The items an engineer can use to solve their problem
Which common fossil fuel is a solid?
coal
Where does Solar Energy come from?
The Sun
What kind of energy can be harnessed using the running water that goes through a dam?
hydroelectricity
A wind turbine converts wind energy to electricity through a generator. How is a turbine used in a hydroelectric power plant?
The turbine moves when the water flows. As it turns, the generator converts the motion into electricity.
How are prototypes used?
They show what the final design will look like.
Which fossil fuel is a liquid?
oil
Where does hydroelectricity come from?
Water
What kind of energy can be harnessed by the heat deep underground?
geothermal energy
How can you conserve energy in your home?
Turn off lights. Unplug things. Don't let the water run. etc.
What does an engineer do when they come across an error?
They define the new problem
Which fossil fuel is a gas?
natural gas
Where does geothermal energy come from?
Heat underground
What converts mechanical energy into electrical energy?
a generator
What is conservation?
The act of saving, protecting, or using resources wisely.
What are constraints?
guidelines the engineer must follow