3. fill in the blanks in these sentences with either up or down. 1. as the car kinetic energy is converted to heat. 2.an installation technician connects and switchgear. 3.a plastic pellet in a washing machine door heats pushes the lock into position. 4.car wheels are ventilated to cool the brake discs. 5.transformers are used on construction sites to step mains voltage to avoid accidents with hand tools. 6.students in david's maths class were split three groups. 7.one of lucy's friends came the name swing ex-l. 8.students should keep subjects lie maths and physics.

1. As the car slows down, kinetic energy is converted to heat.

2.An installation technician connects up cables and switchgear.

3.A plastic pellet in a washing machine door heats up and pushes the lock into position.

4.Car wheels are ventilated to cool down the brake discs.

5.Transformers are used on construction sites to step down the mains voltage to avoid accidents with hand tools.

6.Students in David's math class were split up into three groups.

7.One of Lucy's friends came up with the name Swing ex-L.

8.Students should keep up with subjects like math and physics.