Everything in the universe is made up of what?
Atoms
Dry wood blocks the flow of electrons, and is called this kind of material
What is an insulator?
The flow of current electricity requires this, like a battery or fuel
What is an energy source?
Coal and oil are examples of these kind of energy resources.
What are non-renewable (or fossil fuels)
The symbol for current is:
What is an I?
This kind of material allows the flow of electrons, like copper
What is a conductor?
An electric circuit is made up of: energy source, wires, switch, and a _________?
What is a load?
Corn is an example of this kind of renewable resource.
What is biomass?
True or False: The voltage in a circuit is equal to the current divided by the resistance?
What is false?
The process of connecting a charged object to the Earth is called:
Grounding
An incomplete circuit in which no energy flows is called:
What is an open circuit?
This is the source of the most renewable electrical energy in Saskatchewan.
Voltage is measured in this unit:
What are volts?
Protons and neutrons are found in this place in the atom:
What is the nucleus?
Materials that allow some movement of electrons are known as:
What are semi-conductors?
When all components are connected in a line, this is known as a:
What is a series circuit?
Uranium is a source of this kind of renewable energy.
What is nuclear energy?
What is the current of a coffee maker plugged into a 110 V circuit if it has a resistance of 10 ohms?
What is 11 amps?
Objects can be charged by this action
What is friction?
This is nature's way of a powerful electrical discharge
What is lightning?
All houses are wired in this type of circuit.
What is parallel?
One of the major drawbacks of solar energy:
- expensive
- hard to construct
What is the voltage of an outlet that has 16 A of current passing through 4 Ohms of resistance?
What is 64 V?