Glossary - B

Taken from the new Key Stage 3 Exploring Science textbook

by Mark Levesley, Sandra Baggley, Julian Clarke,
Steve Gray, Marc Pimbert

Bacteria bac-teer-ry-ah Tiny living things that can cause disease.
Balanced forces   When two forces are the same strength, but working in opposite directions.
Biomass bi-O-mass Any fuel that comes from plants, animals, or their wastes (e.g. wood, methane from rotting plants, etc.)
Bird Vertebrate with feathers (e.g. eagle)
Boiling point   When a liquid is at its boiling point it is as hot as it can get. It is evaporating as fast as it can.
Bonds   Forces holding particles together
Brain   Organ that controls what the body does.
Breathing bree-thing Taking in air and blowing out air.
Breathing system bree-thing Set of organs that allow breathing to happen.
Brine   A solution of common salt and water.