Page 142 - Viva ICSE Science 5 : E-book
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Flood: Overfl ow of large amount of water in an Lever: A simple machine in which a rigid bar or
area
rod rests on a support and is used to lift heavy
Food adulteration: The action of making food or weights with minimum amount of eff ort
drink impure and unsafe by adding unwanted
Lifestyle diseases: Diseases that are associated
substances to it
with the way people live their life
Food pyramid: A pyramid-shaped diagram that
Ligaments: The strong tissues that hold bones
shows the components of food to be eaten
together at the joints
every day in a balanced way
Luminous objects: Objects which emit light of
their own
Gametes: A collective term for male and female
reproductive cells
Germination: The process by which a seed Machine: A device or a tool which helps us to
develops into a seedling or a young plant do a work easily by reducing the time and the
amount of force
Gynoecium: The female reproductive part of a
fl ower Matter: Anything that has mass and occupies
space
Heart: A muscular organ that acts like a pump Mechanical energy: The energy possessed by
to force blood throughout the body an object due to its position or motion
Heat energy: The energy which is responsible
for the sensation of heat Noise: Any loud and unpleasant sound
Herbivores: Consumers who eat only plants Noise pollution: A condition when noises
Hygiene: The good practices which we adopt to become so excessive that they cause
keep clean in order to remain disease free and disturbance to the health of living beings
healthy
Non-biodegradable waste: Waste materials that
cannot be decomposed by microorganisms and
Inclined plane: A sloping or a slanting surface remain on the earth for many years harming
which connects a lower level to a higher level the environment
Non-luminous objects: Objects that do not
Joints: The places where two or more bones have light of their own, but are visible when
meet or join together light falls on them
Junk food: Any food that contains high amount Non-renewable sources: Energy sources that
of sugar, starch and fats with low amount of are present in limited amounts and can be used
other nutrients in it up completely
Nutrients: Components of food that help our
Kinetic energy: The energy possessed by a body to function properly, and grow strong
body due to its motion and healthy
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