1 The plastic football in the picture is filled with air. Write T next to the sentences below that are true. Write F next to the sentences below that are false. Then write corrected versions of the sentences that are false. a In the football, most of the air particles move in one direction. b Air particles inside the football collide with each other. c Air particles inside the football collide only with the plastic of the football. d At higher temperatures, air particles inside the football move more slowly. e The force exerted by air particles colliding with the plastic pulls the plastic inwards. f The force exerted by air particles colliding with the plastic inside the football is called pressure. g At a given temperature, the greater the number of air particles in a football, the greater the pressure on the plastic inside the football. Corrected versions of false sentences:​

Відповідь:

a) F - The correct version: Most of the air particles inside the football move in various directions.

d) F - The corrected version: At higher temperatures, air particles inside the football move more rapidly.

e) F - The corrected version: The force exerted by air particles colliding with the plastic inside the football pushes the plastic outwards.

Here are the corrected versions of the false statements:

a) In the football, air particles move in various directions.

d) At higher temperatures, air particles inside the football move more rapidly.

e) The force exerted by air particles colliding with the plastic inside the football pushes the plastic outwards.

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