Glossary - D

Taken from the new Key Stage 3 Exploring Science textbook

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


Daughter cells
The new cells formed in cell division
Day 24 hours, the time it takes the Earth to spin once on its axis
Degree Celsius sell-see-us Units for temperature (°C)
Density The amount of mass that 1 cm3 of a substance has.Measured in g/ cm3
Desalination dee-sall-in-ay-shun Removing salt from sea water.
Diffusion When particles mix with each other without anything moving them.
Digestive system die-jest-iv Set of organs used to break down food in our bodies.
Dilute We dilute a solution by adding more of the solvent to it.
Dissolving dizz-olv-ing When a solid splits up and mixes with a liquid to make a solution.
Distillation The process of separating a liquid from a solution by evaporating the liquid and then condensing it.
Double-glazing A way of insulating windows by trapping air between two layers of glass.
Drag Air resistance and water resistance are both sometimes called drag.