Science t2 Flashcards
Static electricity
An imbalance of electric charges within or on the materials surface
Current electricity
Flow of electric charge or flow of charge carriers
Electric charge
A basic property of matter
Charge carriers
Charged particles that move through a conductor or an electrolyte
Negative charge
The type of electric charge electrons have
Positive charge
The type of electrical charge protons have
Voltage
Potential difference
Volt
Unit of voltage
Voltmeter
Used to measure the potential difference
Electron drift
Anti clockwise
Conventional current
Clockwise
What are the types of magnets
Permanent magnets and temporary magnets
Digestion
Breaking down of food to make nutrient molecules in the body
Where do the magnetic field lines go
North circles round into south, north has lines going out, south has lines going in.
Enzyme
A protein that acts as a biological catalyst that speeds up chemical reaction