Energy
What type of energy is symbolised by Ep?
gravitational potential energy
What quantity is measured in units of coulombs?
charge
What term is used for substances whose particles can flow (i.e. liquids and gases)?
fluids
Which type of nuclear decay causes an element's mass number to decrease?
alpha decay
Who discovered the neutron?
What word describes energy that is wasted by spreading out to the surroundings?
dissipated
A step-up transformer increases what?
voltage / potential difference
What quantity is calculated as the force exerted by a gas over a surface area?
pressure
What units are used to measure a dose of radiation?
sieverts (millisieverts)
What colour is the live wire in a UK plug?
brown
In the formula for elastic potential energy, what does the lower-case e stand for?
extension
50 Hz
deposition (or desublimation)
Which ancient Greek philosopher coined the term "atomos"?
Democritus
What units do we use to measure specific latent heat?
joules per kilogram
What unit is equivalent to joules per second?
watts
What do we call the very thin wire that glows in an old-fashioned lightbulb?
filament
What is the other name for the piece of lab equipment sometimes called a "displacement can"?
eureka can
Cadmium and boron are typical materials for the rods that are inserted into a nuclear reactor core to slow the chain reaction. What do we call these rods?
control rods
What quantity is measured in units of becquerels?
activity (radioactivity)
What quantity is a measure of how well a material conducts energy when heated?
thermal conductivity
What domed piece of lab equipment, originally designed as a particle accelerator, is now commonly used in demonstrations of static electricity?
Van de Graaff generator
What is the specific heat capacity of water?
4 200 joules per kilogram per degree celsius
In 2011, a tsunami caused a nuclear disaster in which Japanese power plant?
Fukushima
Metals are good conductors because their electrons are... what?
free (delocalised)