Magnetism

A magnet will pick up a nail, but not a penny because the nail

• has rust on it.
• is lighter than the penny.
• has a sharp point.
• contains iron.

Where is the strongest attraction force of the magnet?

• at the poles
• in the middle
• above the magnet
• below the magnet

Every magnet has a _____ pole.

• North

• South

• North and South

The lines on this image are called...

• magnetic field lines
• iron fillings
• graphite lines
• none of these

Most magnets are made of

• paper or iron

• iron or steel

• paper or steel

• steel or rock

When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

A natural magnet, such as a lodestone or magnetite, is

• Found in nature

• Man made

• Extinct

• Comes from the sky

If you drop a magnet and it breaks, what will happen?

• It’s useless, throw it away.

• You now have 2 new, smaller magnets, each with their own north and south poles.

• Glue it back together, it will still work.

• Plant it and grow new magnets.

What makes the needle in a compass point north?

• Evaporation

• Magnetism

• Rainfall

• Wind