EXAM REVISION- DKY

population

all of the individuals of one species that live in the one habitat.

community

all of the living organisms in an ecosystem

atomic number and mass number

The atomic number is the number of protons in an atom's nucleus, which determines the element, while the mass number is the total count of protons and neutrons in the nucleus

Voltage

Voltage is the electrical pressure that pushes charged particles, like electrons, through a circuit, enabling them to do work
measured in volts by a voltmeter

What is current?

Current electricity is the steady, continuous flow electrons, moving through a conductor in a circuit, much like water flows through a pipe.
Measured in amperes by an ammeter