Energy Investigation 1.1

What is energy?

• the ability to do work

• a pathway for the flow of electric current

• a push or pull

• the material in a lightbulb that makes light when heated by an electric current

What is needed to light a light bulb?

• D-cell battery

• wire(s)

• light bulb

• all of the above

Which of the following is a source of energy?

• a wire

• a lightbulb

• a D-cell battery

• filament

What is the material in a lightbulb that makes light when heated be an electric current?

• glass

• filament

• metal casing

• bulb

The pathway through which an electric current flows is called a...

• lightbulb

• circuit

• wire

• D-cell battery

Which of the following is not a contact point on a lightbulb?

• the glass

• the bulb base

• the bulb casing

Which of the following is NOT a contact point on a battery.

• the side

• the postive end

• the negative end

When creating our closed circuits during this investigation, what was the evidence that energy transferred in the system?

• the wire bending

• the lightbulb not lighting up

• the battery

• the lightbulb lighting up

If a circuit is not closed, energy will not transfer through the system.

• True

• False

What did we make in Investigation 1.1?

• an invention

• a robot

• closed circuit system

• a battery