Page 48 - FOUNDATIONS FOR LIFE; EXPLORING GOD’S UNIVERSE

Science - Y5 – God’s Amazing Matters – week 7 - answers

Sort the letters in italics into words to complete the sentences about tyres.

The side walls are Man-made rubbers from
protected by

(wax) are used to make side
walls strong and flexible.
(petroleum)

Rubber is bound

together like glue by The side walls are made

adding more flexible by adding
(sulphur) (oil)

Rods of Tyres also have

are used to strengthen in the

treads. inner wall.
(steel) (nylon)

Car bon black Butyl rubber is used for

strengthens tubes
so that it lasts longer. because it holds air in.

(rubber) (inner)

Tasks: -
 Take a wax crayon and thin paper and do at least three tyre rubbings
to show different treads.
 Measure and compare the width of a bicycle tyre with a car tyre.
 Find out the legal requirements for the tread on a car tyre.
 Name two manufacturers of tyres.

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