Science Vocab 7th grade
Terms
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- Galvanometer
- a devise that measures small currents.
- Solenoid
- a coil of wire with a current
- Electromagnetism
- relationship between electricity and magnetism.
- Electric generator
- a devise that transforms mechanical energy into electrical energy.
- Transformer
- a devise that increases or decreases voltage.
- Energy
- the ability to move an object over a distance.
- Step-up transformer
- a transformer that increases voltage.
- Alternating current
- a current where the direction would reverse repeatedly.
- Mechanical energy
- the energy an object has due to its movement or position.
- Electric motor
- a devise that uses an electric current to turn an axle.
- Electrical energy
- the energy associated with electric current.
- Step-down transformer
- a transformer that decreases voltage.
- Electromagnet
- a solenoid with a ferromagnetic core.
- Electromagnetic induction
- generating an electric current from the motion of a conductor through a magnetic field.
- Direct current
- a current consisting of charges that flow in one direction only.