Unit 3 Review: Understanding Electricity

Historically, Saskatchewan used natural energy to get jobs done

• True
• False

Which is an example of a NON-RENEWABLE resource?

• solar energy
• hydroelectrcitity
• fossil fuels
• wind energy

The Ancient Greeks discovered which of the following?

• current electricity
• batteries
• static electricitiy
• all of the above

Luigi Galvani discovered what?

• how to create artificial limbs
• the first battery
• renewable resources
• electricity in a frog's leg

Saskatchewan received electricity in

• 1950
• 1890
• 1780
• 1920

First Nations refer to thunder and lightning when it comes to spirituality as...

• the Medicine Wheel
• Thunderbird
• Circle of Courage
• all of the above

Choose the example of renewable energy

• biomass
• geothermal
• coal
• hydro

Static electricity will _______ charges that are the same and _______ charges that are opposite

• attract ; repel
• repel ; attract
• attract ; attract
• repel ; repel

Lightning is created when __________ bump together and build up a charge

• charges
• precipitation
• clouds
• winds

An example of an electrical device that uses the effects of lighting(as seen in the Tesla coil)

• wireless radios
• x-rays
• television
• all of the above