Magnetism is a Force
Define repel.
To push away from.
Define a problem.
What vocabulary word means to get past an obstacle?
Overcome
Define attract.
To pull something closer.
Define solution.
A plan or object that solves a problem.
Define the Underground Railroad.
A system of roads and hiding places used by salves to escape to freedom.
What is a material that applies the force of magnetism?
A magnet
Define cost.
How much will it cost to solve the problem.
Industrial Revolution
What are magnetic poles?
The places on a magnet where the magnetic force is strongest.
Define materials.
What materials are needed to solve the problem.
What is a patent?
A government document that gives someone the ownership and rights to an invention.
What is a force that can push or pull on some materials without touching them?
Magnetism
Define limits.
What are some things I can't do or am not allowed to do.
What is a maglev?
Short for magnetic levitation, maglevs are designed with magnets in both the trains and the track. The force of the magnets' same poles pushes the train up off of the track.
Who is the engineer and inventor who lived from 1844 to 1929. His parents had been slaves in Kentucky. They escaped to freedom on the Underground Railroad before their son was born. This inventor's inventions helped shape the Industrial Revolution.
Elijah McCoy