3. Fill in the blanks in these sentences with either up or down.
1. As the car slows__________, kinetic energy is converted to heat.
2.An installation technician connects ____________cables and switchgear.
3.A plastic pellet in a washing machine door heats ________and pushes the lock into position.
4.Car wheels are ventilated to cool ____________ the brake discs.
5.Transformers are used on construction sites to step ___________the mains voltage to avoid accidents with hand tools.
6.Students in David's maths class were split _____________into three groups.
7.One of Lucy's friends came ______________with the name Swing ex-L.
8.Students should keep ______________with subjects lie maths and physics.

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