Browse the glossary using this index

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C

Capillaries

small blood vessels with thin walls, which carry blood between the arteries and veins

carbohydrate

group of energy-producing substances, for example starch and sugars.

Carnivore

animals that eat only other animals

Cathode ray oscilloscope

device that shows a graph of a sound

Cement

the material that ‘glues’ rock grains together

Cementation

the process of ‘gluing’ rock grains together

Cemented

stuck, or glued, together

Change of state

material changing state between solid, liquid or gas

Characteristics

distinctive features

Chemical change

a change that involves the formation of a new substance

chemical digestion

digestion of food which involves chemicals called enzymes.

Chemical properties

concerning changes that do involve the formation of a new substance

Chemical reaction

the process of change from reactants to products

Chlorine

a green non-metallic element that is a poisonous gas

Cochlea

coiled structure in the ear where hairs detect vibrations in fluid

Community

all the different species of living things in a habitat

Compacted

squashed by forces underground caused by rock movements

Compaction

the process of squashing rocks

Compound

a pure substance made of two or more kinds of atom that are chemically joined

Condenses

changes from gas to liquid state

Conduction

movement of energy through a solid

Conductor

material that is good at letting heat energy pass through it

Consumers

animals, which must eat other living things for food

Contracts

material getting shorter and thinner as it cools

Convection

liquids or gases moving due to differences in temperature and density

Convection current

flow of liquids or gases due to convection

Cornea

outer transparent surface of the eye

cystic fibrosis

inherited disease which affects breathing


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