Magnets Basic
What materials are magnetic
Iron, Steel, Nickel
True or False: When you cut a magnet into 2 pieces, there is now only a north magnet and a south magnet
FALSE, each magnet will have their own North and South
Which type of field exerts force on all objects?
Gravitational
What makes 2 magnets repel
Have the same poles
Why does Earth have a magnetic field?
Liquid iron core
Name one way you can increase the power of an electromagnet
By increasing the number of loops of wire, increasing the battery
True or False: The closer two objects, the greater the amount of force/gravity
TRUE
What makes 2 magnets attract
Opposite poles
Why does a compass needle point north?
Because the magnetic in the compass is bouncing off Earth's magnetic field to always point north.
An electromagnet is made up of what three items?
An iron bar (nail), battery, and a wire
If a ball is dropped on Earth it takes 0.6 seconds to reach the ground, will it take longer, shorter or the same amount of time on the Moon
Longer amount of time
Give an example of animals using Earth's Magnetic field
Birds migrating, bees and bats knowing how to get back to their hives
Socks taken from a clothes dryer that stick together or a lightning bolt in the sky are examples of ____________.
Static Electricity
Where on a magnet is the strongest point?
The poles (the ends)
If you rub your hair on a balloon and the balloon becomes negatively charged, what charge will your hair have?
A positive charge