Investigation one: Electricity Book one: energy Investigation one: Electricity

Focus questions What is needed to light a light bulb? What is a conductor of electricity? What is the difference between series and parallel circuits?

Get your Plicker’s answer pages ready! Plicker’s intro Get your Plicker’s answer pages ready!

Flashlight activity

1. Energy - The ability to do work

To use force to move an object 2. work - To use force to move an object

Observable evidence of energy 3. Motion - Observable evidence of energy

Observable evidence of energy 4. Light - Observable evidence of energy

A place where energy comes from 5. Energy source - A place where energy comes from

Types of Energy sources

Energy that flows through circuits 6. Electricity - Energy that flows through circuits

What does electricity create?

A pathway for the flow of electricity 7. circuit - A pathway for the flow of electricity

The flow of electricity through a conductor 8. Electric Current - The flow of electricity through a conductor

A complete circuit in which electricity flows 9. Closed circuit - A complete circuit in which electricity flows

An incomplete circuit in which electricity can’t flow 10. Open circuit - An incomplete circuit in which electricity can’t flow

11. Component - One item in a circuit

12. Contact point - A place in a circuit where connections are made to allow electricity to flow through

A source of electricity; A battery 13. d-cell - A source of electricity; A battery

The positive and negative ends of a battery 14. Terminal - The positive and negative ends of a battery

A source of stored chemical energy 15. Battery - A source of stored chemical energy

A metal object which an electric current moves through 16. wire - A metal object which an electric current moves through

17. lightbulb - A filament held by two stiff wires and surrounded by a clear glass globe

A device to open and close circuits 18. switch - A device to open and close circuits

A device that produces motion with electricity 19. motor - A device that produces motion with electricity

Parts of a circuit drawing

Make a lightbulb light up! Experiment! Make a lightbulb light up!

A circuit that has one pathway for a current to flow 20. series circuit - A circuit that has one pathway for a current to flow

A circuit that has two or more pathways for current to flow 21. Parallel circuit - A circuit that has two or more pathways for current to flow

A substance that electricity will flow through 22. Conductor - A substance that electricity will flow through

A substance that electricity will not flow through 23. Insulator - A substance that electricity will not flow through

What is a conductor of electricity? Experiment! What is a conductor of electricity?

Focus questions What is needed to light a light bulb? What is a conductor of electricity? What is the difference between series and parallel circuits?