Earth's Magnetic Field

Universe

the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.

Earth

the planet third in order from the sun, having an equatorial diameter of 7,926 miles (12,755 km) and a polar diameter of 7,900 miles (12,714 km), a mean distance from the sun of 92.9 million miles (149.6 million km), and a period of revolution of 365.26 days, and having one satellite.

Sun

the giant star that gets orbited by planets in our solar system

Milky Way Galaxy

the galaxy in which our solar system is in

Solar System

the sun together with all the planets and other bodies that revolve around it.

Solar Neighborhood

a group of solar systems

Magnetosphere

he outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts.

Non Contact Force

when force is made with no contact

Magnet

a body, as a piece of iron or steel, that possesses the property of attracting certain substances, as iron.

Dipolar

a pair of equal and oppositely charged or magnetized poles separated by a distance.

Magnetism

the properties of attraction possessed by magnets; the molecular properties common to magnets.

Magnetic Field Lines

the lines that define a magnetic field

Iron Fillings

shaves of iron (little pieces)

Electromagnet

a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it.

Electric Current

the flow of electricity in an electronic circuit, and to the amount of electricity flowing through a circuit.

Electromagnetic

of or relating to electromagnetism or electromagnetic fields.