BSL Glossary of curriculum terms R index
- radiation
- radio wave
- raised to the power of
- rate
- rate of absorption
- rate of production
- ratio
- rational number
- ray of light
- rays converge
- reactant
- reaction
- reactive
- reactivity series
- real number
- recessive
- red blood cell
- redox reaction
- reduction reaction
- refining
- reflecting telescope
- reflection
- refracting telexcope
- refraction
- relationship
- relative atomic mass
- reliable result
- remainder
- rennet
- renewable
- repel
- reproduction
- resistance
- resistor
- respiration
- resting pulse
- resultant force
- reversibility, Principle of
- reversible
- root cell division
- root nodule (chemistry)
- rooting
- rooting compound
- roots
- rounding off
- runner
- rust indicator
- rusting