Exploring Magnetism Concepts for 5th Grade Science

What type of materials do magnets attract?

• Plastic

• Glass

• Wood

• Iron

Why do magnets not stick to wood?

• Wood repels magnetic fields

• Wood neutralizes magnetism

• Wood absorbs magnetic fields

• Wood is not a ferrous material

What is the main function of a magnetic field?

• To repel protons

• To isolate electrons

• To attract neutrons

• To attract positive charges

What are permanent magnets?

• Magnets that change polarity

• Electromagnets

• Magnets that maintain consistent magnetism

• Magnets that lose magnetism over time

How can you create a permanent magnet using steel?

• Pass electricity through the steel

• Rub the steel with a magnet

• Heat the steel

• Cool the steel rapidly

What is an electromagnet?

• A magnet that can be turned on and off

• A magnet that only attracts

• A natural magnet

• A permanent magnet

How do you make an electromagnet with an iron nail?

• Submerge it in saltwater

• Wrap it in aluminum foil

• Paint it with magnetic paint

• Wrap it in copper wire and connect to a battery

What allows electromagnets to be controlled?

• Changing the metal core

• Varying the temperature

• Applying a coating

• Using a switch

What is a common use of electromagnets in hospitals?

• Thermometers

• Blood pressure monitors

• MRI machines

• Stethoscopes

Which device uses electromagnets to function?

• Batteries

• Solar panels

• LED lights

• Electric motors