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Science

Radiation for life

Electrostatics - sparks - higher tier - Test

1.

When a piece of plastic becomes positively charged it has:

2.

When a piece of plastic becomes negatively charged it has:

3.

If two objects attract each other, which of these is not a possible explanation?

4.

When refuelling an aeroplane, to avoid a spark caused by a build-up of static charge:

5.

When two charged balloons are brought near each other they repel because they have: