Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force found in a spring. And last are resistive forces: ...

Here you will find links to the BBC's best science, technology, engineering and maths resources for primary and secondary schools - all in one place.

Science is a subject built on doing. Students learn chemistry through titrations, biology through dissections, physics through motion experiments, and earth science through field observations. That ...