Page 144 - Viva ICSE Science 5 : E-book

Sound energy: A form of energy which is Ventilation: The process of continuous
produced as a result of vibration of objects replacement of the foul air with the fresh air
inside a room
Tendon: The special tissue by which skeletal
Ventricles: The two lower chambers of the
muscles remain attached to the bones
human heart
Translucent objects: Objects that allow only
partial light to pass through them
Warning sounds: Loud sounds made to alert
Transparent objects: Objects that allow light to
people about certain situations
pass through them completely
Wedge: A triangular-shaped simple machine
Unpleasant sounds: Sounds which are not which has slanting edges that meet to form a
good to hear and create disturbance sharp edge at one end

Wheel and axle: A simple machine in which a
Vegetative propagation: The development of large wheel rotates around the centre called
a new plant from the vegetative part like root,
axle
stem or leaf of a plant
Veins: The blood vessels that carry oxygen-
defi cit blood from diff erent parts of the body Zygote: A single cell produced as a result of
to the heart fertilisation

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