Science Max Experiments Quiz

What happens when the resonant frequency of a wine glass is played back to it at a high volume?

• The glass vibrates and may break.

• The glass changes color.

• The glass produces a different sound.

• The glass becomes stronger.

What is the main purpose of using a powerful audio van in the sound experiment?

• To demonstrate the physical effects of sound waves.

• To test the durability of the van.

• To measure the speed of sound.

• To play music at a concert.

How does using gears help in generating electricity with human power?

• Gears reduce the effort needed.

• Gears increase the speed of rotation.

• Gears make the generator smaller.

• Gears change the type of electricity produced.

Which natural force is used to generate electricity by moving a paddle wheel?

• Tides

• Geothermal

• Solar

• Wind

What is the main advantage of using hydroelectric power?

• It is the cheapest form of energy.

• It is a clean and renewable energy source.

• It requires no water.

• It is non-renewable.

What is the role of a ferromagnetic material in an electromagnet?

• It reduces the weight of the magnet.

• It insulates the wire.

• It enhances the magnetic field.

• It conducts electricity.

How can the strength of an electromagnet be increased?

• By using a plastic core.

• By decreasing the current.

• By using a shorter wire.

• By wrapping more wire and increasing the current.

What was the result of using pre-built electromagnets from old appliances?

• They were weaker than expected.

• They were too heavy to use.

• They did not work at all.

• They worked much better than the homemade version.

What safety equipment was used during the electromagnet beam crossing experiment?

• Life jacket

• Helmet and goggles

• Fire extinguisher

• Parachute

What was the final test to measure the strength of the electromagnet?

• Lifting a car

• Lifting weights with a scale

• Breaking a metal beam

• Pulling a train