Science Quiz

What was Benjamin Franklin’s key discovery about storm clouds and lightning?

• Lightning is a huge electrical spark that releases built-up electrical energy.

• Lightning is caused by friction between clouds.

• Storm clouds contain special lightning particles.

• Lightning is a form of animal electricity.

What types of energy might a household appliance give off when it is in use?

• Light, sound, heat, or motion

• Only light and sound

• Only heat and motion

• Just electricity

What did Franklin invent that helped save houses and barns from lightning strikes?

• The lightning rod

• The Leyden jar

• The voltaic pile

• The galvanometer

Why is discussing ideas with your group important in science?

• Exchanging ideas with others is a very important part of science

• You get to prove who is right or wrong

• It helps you avoid doing any hands-on activities

• It saves time on experiments

What was Luigi Galvani’s main discovery while experimenting with dissected frogs?

• He found that touching frog nerves with metals could make their legs twitch.

• He discovered that frog legs contain animal electricity.

• He found out that frog legs can produce their own electricity.

• He discovered that frog legs are completely inert.

How do electronic devices typically use electricity?

• Electronic devices use electricity to power circuits, generating light, sound, heat, or motion.

• Electronic devices solely use batteries to create electricity.

• Electronic devices do not require electricity to function.

Where does the energy in electronic devices usually come from?

• The energy in electronic devices usually comes from batteries or power outlets.

• The energy in electronic devices is created within the device itself.

• Electronic devices do not need any energy source to work.

What is the purpose of batteries in electronic devices?

• To provide electrical energy

• To make noise

• To change the color of the device

• To increase the size of the device

What happens when you open or close a switch in an electrical circuit?

• It changes the color of the wires.

• It interrupts or completes the circuit.

• It makes the circuit louder.

• It turns the circuit into a magnet.

Which household appliance uses electricity to produce sound?

• A radio.

• A refrigerator.

• A washing machine.

• A microwave.