Electric current is the circulation of electrons v a completecircuit of conductors. It is offered to power whatever from our lamp to our trains.

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In this activities, students will explore various kinds that circuits and also investigate what is compelled to make a complete circuit.


Electrons on the GoBuild a CircuitConducting CurrentsLemon BatteryLighting light BulbsConductivity TesterBurglar AlarmSteady Hand Game

Playful Circuits: put the art in STEAM

Learn an initial how to wire a straightforward circuit, then steam ahead to combine art products with the circuit and create an electric birthday card, party hat, or various other seasonally-themed item.

Paper Circuits: Copper ice circuits and also electric cardsSquishy Circuits: Conductive Playdough connectionsSewn Circuits: Conductive thread and light-up bracelets


describe the materials required to complete an electrical circuit.

Demonstrate the different ways to complete a circuit (parallel or series).

Identify how power is supplied in family members appliances.

Describe the relationship in between an electron and current electricity.


view individual activities for materials.


Electricity is supplied to run your cabinet phone, power trains and also ships, operation your refrigerator, and power electric motors in equipments like food processors. Electrical energy need to be readjusted to other creates of power such as heat, irradiate or mechanical in bespeak to be useful.

Everything we see is comprised of tiny little parts referred to as atoms. The atoms space made of also smaller components called protons, electrons and also neutrons. An atom usually has actually the same variety of protons (which have a hopeful charge) and electrons (which have actually a negative charge). Sometimes electrons can be relocated away from your atoms.

Electric current is the motion of electrons through a wire. Electric present is measured in amperes (amps) and also refers to the number of charges that move through the wire per second.

In order because that a present to flow, the circuit have to be closed; in various other words, there have to be an uninterrupted path from the strength source, v the circuit, then earlier to the strength source.

Parallel Circuit (top)


Series Circuit (bottom)

Voltage is sometimes referred to as electric potential and also is measure in volts. The voltage between two points in a circuit is the full energy compelled to move a small electric charge from one suggest to the other, divided by the size of the charge.

Resistance is measured in ohms and also refers to the pressures that protest the circulation of electron present in a wire. We deserve to use resistance to our benefit by transforming the electric energy shed in a resistor right into heat power (like in an electrical stove), light energy (a light bulb), sound energy (radio), mechanical power (electric fan), or magnetic energy (an electromagnet). If us want existing to flow directly from one point to another, we need to use a wire that has actually as little resistance as possible.

A neat analogy to aid understand these terms: a system of pipes pipes.

Voltage is indistinguishable to the water pressure that pushes water out into the pipeCurrent is identical to the rate of the water flowResistance is kind of prefer the pipe width – the diluent the pipe, the higher the resistance, and also the harder that is because that the water the circulation through.

In this collection of activities, students will certainly experiment through wires, batteries, and also switches to develop their own electric circuits, if learning around voltage, current, and also resistance in ~ the exact same time.

Fun fact!

You may notification that the signs for number of of the SI devices (International device of Units) in this lesson plan are capitalized, such together the volt (V) and also the ampere (A), together opposed to the ones you’re offered to utilizing (m, kg). That is legacy to usage a resources letter when the unit is named after a person. In these cases, the devices were named after Alessandro Volta and André-Marie Ampère. The unit because that resistance was also named after a human being (Georg Simon Ohm), but uses the symbol Ω which represents the Greek letter omega. This rules are vital to follow due to the fact that the lower- and also uppercase letters might represent various units, such together the tonne (t) and the tesla (T). The one exemption is that it is agree to use L because that litres because the letter ‘l’ is often perplexed for the number ‘1’!


ammeter: one instrument supplied to measure up the electric present in a circuit; the unit of measurement is amperes or amps (A).circuit: A path because that electric current come flow.conductor: A substance consisted of of atom which host electrons loosely, enabling them to relocate through it much more easily.electric current: A continuous flow of electric charge moving from one ar to another along a pathway; compelled to do all electrical tools work; measured in amperes or amps (A).electrochemical reaction: A reaction that many often requires the transport of electrons between 2 substances, either caused by or attach by an electric current.electrode: A conductor through which a existing enters or leaves an object or substance.electron: A subatomic fragment that has a an adverse electrical charge.insulator: A substance consisted of of atom that host onto electrons really tightly, for this reason not enabling electrons to move through very easily.parallel circuit: A type of circuit that allows current to circulation through parallel paths. Electric present is split in between the different paths. If light bulbs are linked in a parallel circuit, and one the the bulbs is removed, the existing will quiet be able to flow to light the other bulbs in the circuit.semiconductor: A substance made up of atom that hold top top electrons with a strength in between that the a conductor and that of an insulator.series circuit: A circuit in which every one of the components are connected along a solitary path, so the the same existing flows through all of the components. If one of the irradiate bulbs is removed, the circuit is broken and also none of the other lights will work.voltage: The potential difference in between two clues in a circuit, such together the positive and an adverse ends of a battery. The is often defined as the “push” or “force” that the electricity. That is feasible to have voltage without existing (if the circuit is incomplete, for example, and also the electrons can not flow), however not feasible to have a existing without voltage. That is measure up in volts (V).

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voltmeter: an instrument supplied to measure up the potential electric difference between two points in a circuit.

Other Resources

BC Hydro | power Smart because that Schools

BC Hydro | Exploring straightforward Circuits

BC Hydro | Exploring collection and Parallel Circuits

BC Hydro | electric Safety

How Stuff works | exactly how Light emitting Diodes Work

To purchase Christmas tree mini-light bulbs: house Depot, Canadian Tire

To purchase little teaching irradiate bulbs (with a rating the no an ext than 2 volts each): Boreal Science