This video reviews how transistors work and introduces Moore’s law, i.e., the number of transistors fitted onto a chip increases exponentially with time. 

This means that the size of the transistor must reduce significantly.  However, as the buffer zone (prevents current flowing) between n-type...

Video animation explaining how cholesterol moves around the body.

This video looks at the reversible change that occurs in the process of chocolate making whilst also introducing the career of a chocolatier. Linking to the topic of states of matter, it introduces a Master Chocolatier who discusses his job and how he creates chocolates. He also talks about what he enjoyed at...

This resource looks at the key features, advantages and disadvantages of tidal power as an energy source. Students identify the features of a landscape which will maximise the effectiveness of tidal power, considering the ideal shape of the location, whether the machinery will interfere with other activities,...

This video introduces prefixes that are used to describe the size of a measurement.  For example, the prefix m is called milli and represents 1/1000 = 0.001 = 10^-3.

The following prefixes are described:

milli (m) - 10^-3

micro (µ) - 10^-6

nano (n) - 10...