Electric and Magnetic Forces Vocabulary

Magnetic Shielding

• Blocking magnetic fields using special materials

• Enhancing magnetic fields with conductive materials

• Creating magnetic fields with permanent magnets

• Measuring magnetic fields with sensors

MRI

• Magnetic Resonance Imaging, uses strong magnetic fields for medical imaging

• Magnetic Radiology Imaging, uses X-rays for imaging

• Magnetic Resonance Interference, used for sound imaging

• Medical Resonance Imaging, uses ultrasound for imaging

Electric Force

• A non-contact force between charged particles

• A contact force between neutral objects

• A gravitational force acting on charged particles

• A magnetic force between moving charges

Charge

• An electrical property that can be positive (+) or negative (-)

• A measure of the amount of electricity in a circuit

• A type of energy that can be stored in batteries

• A force that causes objects to attract or repel each other

Tesla (T)

• Unit used to measure magnetic field strength

• Unit used to measure electric current

• Unit used to measure temperature

• Unit used to measure pressure

Conductor

• Material that allows electric charges to move freely through it

• Material that resists the flow of electric charges

• Material that can store electric charges

• Material that converts electrical energy into heat

Paramagnetic

• Materials that are strongly repelled by magnets

• Materials that are weakly attracted to magnets

• Materials that are not affected by magnets

• Materials that are permanently magnetized

Magnetic Interference

• When magnetic fields affect electronic devices

• A method to enhance magnetic fields

• A type of electrical insulation

• A process of magnetizing materials

Compass

• A device that uses Earth's magnetic field for navigation

• A tool for measuring temperature

• A device for calculating time zones

• An instrument for detecting earthquakes

Electromagnet

• A permanent magnet made from iron

• A temporary magnet made by running electricity through a wire coil

• A magnet that can only be used in a vacuum

• A magnet that loses its magnetism when heated