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GLOSSARY
GLOSSARY
Adaptation: Changes brought about in Decantation: Drawing out the clear portion
structure, function or behaviour of a living from top of the solution after sedimentation in
being in order to improve chances of its survival order to separate two substances
in a specifi c environment Deciduous trees: Trees that shed their leaves
Aerial animals: Animals that fl y once in a year
Aestivation: A sleeping pattern of some animals Defl ate: Reduce in size
in which they sleep during summers Dentine: Hard yellow substance under the
enamel
Amphibians: Animals living both on land and in
water Desert: Dry and sandy area, with little rainfall
and very less plants
Aquatic animals: Animals living in water
Digestion: The process by which food is broken
Aquatic plants: Plants growing in water
down into simpler forms so that it can be easily
Arboreal animals: Land animals living on trees absorbed by the body
Balanced diet: Diet that contains all the Enamel: White and shiny outermost layer,
nutrients in balanced amounts, together with which covers the crown
roughage and water
Evaporation: Process of heating a liquid which
turns it into vapour or gas
Canines: Placed next to incisors, they are sharp Evergreen trees: Trees that appear green
and pointed teeth throughout the year
Capacity: Amount of liquid a container can hold Excretion: The process of removal of wastes
from the body
Carbohydrates: Nutrients that give us energy to
do work Exhalation: Process of breathing out air
Carnivores: Flesh-eating animals
Faeces: Wastes which are expelled from the
Chlorophyll: Green colour substance in plants,
body
especially in leaves
Fats: Nutrients that act as fuels to give us more
CNG: Compressed Natural Gas
energy and keep our body warm
Coastal area: The area near the sea
Filtration: Process of separation of two
Condensation: Changing from water vapour to substances by letting a solution pass through
liquid state as a result of cooling a fi lter paper
Crown: Visible part of a tooth Force: A push or a pull that acts on an object
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