Energy terms

Joules (J)

• The unit of power
• The unit of current
• The unit of energy.
• The unit of mass

Metres Per Second (m/s)

• The unit of speed and velocity.
• The unit of acceleration
• The unit of energy.
• The unit of distance

Mass

• How much something weighs
• How much matter ('stuff') there is in an object
• How heavy something is
• How big something is

Kilograms (kg)

• The unit of mass.
• The unit of weight
• The unit of force
• The unit of energy

Gravitational Field Strength

• How much gravity an object produces
• How heavy an object is
• The weight of an object
• The force of gravity upon an object per unit mass

The unit of temperature and temperature change.

• Degrees Farenheit (°F)
• Degrees Celsius (°C)
• Volts
• Joules

Specific Heat Capacity

• The energy needed to melt 1kg of a substance
• The energy needed by 1 kg of a substance to increase its temperature by 1 ˚C.
• The energy needed by 1kg of a substance to increase its temperature by 10 ˚C
• The energy needed to evaporate 1kg of a substance

Power

• The rate of movement
• The rate of energy disipation
• The rate of energy transfer.
• The rate of heating

Watt (W)

• Unit of power.
• Unit of energy
• Unit of potential difference
• Unit of wattage

Kilowatt (kW)

• Another unit of power. 1000 kW = 1 W.
• Another unit of power. 1 kW = 1000 W.
• Another unit of power. 1 kW = 0.0001 W.