¿Qué son los imanes?: imanes trabajando

The video tutorial explains how magnets attract metal objects containing iron due to a force called magnetism. It describes the concept of magnetic fields, which are areas of magnetic force around magnets. The video also demonstrates how magnetic fields can affect materials like glass and liquids and highlights the Earth's magnetic field extending into space.

What is the force called that causes magnets to attract metal objects containing iron?

• Electricity

• Magnetism

• Friction

• Gravity

What is the area around a magnet where its force is effective called?

• Magnetic field

• Thermal field

• Gravitational field

• Electric field

How can the extent of a magnetic field be visualized?

• With a thermometer

• By measuring temperature

• By observing iron filings

• Using a compass

Through which materials can magnetic fields work?

• Only through air

• Only through metals

• Through solids and liquids

• Only through water

What natural entity has a magnetic field that extends into space?

• The Moon

• The Sun

• The Earth

• Mars