Magnetism and Animal Navigation

The video explores the fascinating world of magnets, explaining their properties and how they work. It includes experiments to demonstrate magnetic attraction and repulsion, and discusses how animals use Earth's magnetic field for navigation. The video also provides a DIY guide to making a compass using a magnet and a needle.

What is a magnet?

• A device that uses electricity

• A material that can attract certain metals

• A type of glue

• A kind of plastic

What is the invisible area around a magnet called?

• Gravitational field

• Force field

• Electric field

• Magnetic field

Which of the following materials is NOT attracted to a magnet?

• Plastic

• Iron

• Steel

• Nickel

Why does a magnet stick to a refrigerator?

• Because the refrigerator is made of plastic

• Because the refrigerator is cold

• Because there is iron inside the door

• Because the refrigerator is heavy

What happens when you put two North Poles of magnets together?

• They lose their magnetism

• They attract each other

• They repel each other

• They stick together

What is it called when magnets push each other away?

• Attraction

• Magnetization

• Repulsion

• Polarization

How do sea turtles navigate across the ocean?

• Using ocean currents

• Using the sun

• Using the stars

• Using the Earth's magnetic field

What is the special sense called that allows animals to detect the Earth's magnetic field?

• Geoception

• Thermoception

• Electroception

• Magnetoception

What tool can help you find your way by pointing north?

• A ruler

• A compass

• A barometer

• A thermometer

What happens to a sewing needle when you rub it with a magnet?

• It changes color

• It loses its sharpness

• It becomes a magnet

• It bends