Calculating the total charge on a group of electrons using the elementary charge (-1.6 x 10^{-19}).

^{-19} x (e^{-})

Calculating the total charge on a group of protons using the elementary charge (+1.6 x 10^{-19}).

^{-19} x (p^{+})

Questions based on converting speeds in **km h ^{-1}** into speeds in

^{-1}) = v (km h^{-1})/3.6

Questions based on converting speeds in **m s ^{-1}** into speeds in

^{-1}) = v (m s^{-1}) x 3.6

Questions based on converting temperatures in degrees **Celsius** into temperatures in **Kelvin**.

^{o}C) + 273

Questions based on converting temperatures in **Kelvin** into temperatures in degrees **Celsius**.

^{o}C) = T(K) - 273

Calculating the current in a wire for a given charge passing in a given amount of time.

Calculating amount of energy supplied to water from a known current, time, and potential difference.

Calculating the amount of electrical energy for a battery from a given voltage and charge.

Calculating the number of extra electrons on an object from the given charge of the object.

_{e} = Q/-1.6x10^{-19}

Calculating the number of electrons passing a point in a circuit in one second from a given current.

^{e}=Q/q^{e}

Calculating the activity of a sample from the starting activity and half-life after a period of time has passed.

_{1/2}, A=A_{0}(1/2)^{n}

Calculating the number of remaining nuclei for an element over a given time period and half-life.

_{1/2}, N=N_{0}(1/2)^{n}

Calculating the recessional velocity of a galaxy using a given distance from Earth and the Hubble constant.

_{0}d

Questions based on calculating the kinetic energy of different objects based on their mass and velocity.

_{k} = ½mv^{2}

Calculating the amount of energy needed to be added or removed to go from a solid to liquid or vice versa.

_{fusion}

Calculating the amount of energy needed to be added or removed to go from a liquid to gas or vice versa.

_{vaporisation}

Calculating the momentum of an object from a given mass (kg) and a given velocity (ms^{-1}) with compass points orientation.

Using Newton's Second Law to calculate the net force acting on an object from a given mass and acceleration.

_{net} = ma

Calculating the power (in W) of an object from a given potential difference (V) and current (A).

Questions based on calculating the amount of energy required to increase the temperature of a mass of water.

Questions for calculating the potential difference from a given current and resistance.