Understanding Electricity: A Journey Through Circuits and Power

What is electricity primarily composed of?

• Atoms

• Electrons

• Neutrons

• Protons

What does an electrical circuit resemble?

• A straight line

• A closed loop

• An open pathway

• A zigzag pattern

What analogy is used to explain the flow of electricity?

• Flow of water

• Flow of air

• Running of animals

• Movement of cars

Who were the two scientists credited with discovering how to generate electricity?

• Michael Faraday and Joseph Henry

• Nikola Tesla and Thomas Edison

• Marie Curie and Niels Bohr

• Isaac Newton and Albert Einstein

What did Michael Faraday use in his experiment to generate electricity?

• A chemical reaction

• A solar panel

• A coil of wire and a magnet

• A battery and a bulb

What powers Viking 21?

• Wind energy

• Solar power and compressed natural gas

• Nuclear energy

• Hydroelectric power

What materials are good conductors of electricity?

• Paper and cloth

• Metal and water

• Wood and glass

• Rubber and plastic

What is the role of a resistor in an electrical circuit?

• To convert electricity into light

• To allow some, but not all, electrons to pass through

• To increase the flow of electricity

• To stop the flow of electricity

What is the unit of electrical power?

• Joule

• Watt

• Newton

• Ampere

What measures the pressure in an electrical circuit?

• Volts

• Amps

• Watts

• Ohms