Magnetism
This happens when a magnet touches a steel nail, and then the nail is used to pick up a steel paper clip. The nail has become a temporary magnet. This is called what type of magnetism?
What is induced magnetism?
A metal that contains iron.
What is steel?
The influence of a magnetic field on a piece of iron, which makes the iron a temporary magnet.
What is induced magnetism?
The end of a magnet that orients towards Earth's magnetic north pole.
What is north pole?
What is iron?
Two plastic cups were washed and then put together. The cups stuck together. Someone said, "They're magnetic!" Is the person correct? True or false?
What is false?
An instrument that uses a free-rotating magnetic needle to indicate direction.
What is a compass?
The end of a magnet that orients towards Earth's south pole.
What is the south pole?
These are the names of the two poles all magents have.
What are north and south poles?
The process of creating magnets can also be created by using electricity. By wrapping a wire around an iron bar and running current through the wire, very strong magnets can be created.
What is electromagnetism?
Students in a 4th grade class stuck a magnet to a chair leg. They taped a paper clip on a string to the floor. They stuck the paper clip to the magnet and then pulled the chair away until the paperclip appeared to be floating in thin air. This is the reason this happened.
What is:
1. magnetism works through air?
2. the magnetic force between the magnet and the paper clip is stronger than the force of gravity?
A piece of iron that behaves like a magnet only when it is under the influence of a magnetic field.
What is a temporary magnet?
An object that sticks to iron all the time.
What is a permanent magnet?
When magnetic poles that are similar come in contact with one another we say that they do this.
What is repel?
This person invented the game of basketball.
Who is James Naismith?
A child took a magnet that was stuck to a refrigerator door and found that it stuck to a wall in the kitchen. This could be a reason why.
What is there is something made of iron hidden in the wall by paint?
The area of magnetic influence around a magnet.
What is the magnetic field?
The end of a magnet that orients toward Earth's magnetic north pole.
What is the north pole?
When magentic poles that are opposite one another come in contact, we say that they do this.
What is attract?
This famous inventor from New Jersey had over 1000 patents in his name.
Who is Thomas Alva Edison?
This type of material sticks to magnets.
What is iron?
The end of a magnet.
What is a pole?
True or false. Aluminum is a metal that is magnetic.
What is false?
Two students tied a piece of string exactly in the center of a magnet so that it would hang evenly. When the magnet stopped spinning on the string, this is where the poles were pointing.
What is the north pole of the magnet pointed in the direction "north" because the earth is a magnet with poles?
This person discovered that the Earth rotates around the Sun.
Who is Nicholas Copernicus?