Magnetic fields

What naturally occurring mineral is known to have magnetic properties?

• Quartz

• Magnetite

• Calcite

• Pyrite

What ancient civilization is credited with creating the first compass?

• Roman

• Egyptian

• Chinese

• Greek

What does the Earth's magnetic field help with?

• Global communication

• Navigation

• Weather forecasting

• Ocean currents

Who introduced the concept of a magnetic field?

• Isaac Newton

• Nikola Tesla

• Michael Faraday

• Albert Einstein

What happens when a magnet is split into two pieces?

• Each piece loses its magnetic properties

• One piece becomes a north pole, the other a south pole

• The pieces repel each other permanently

• Each piece becomes a weaker magnet with both north and south poles