1.
The emission on alpha, beta or gamma?
2.
The only particle in an atom that can move?
3.
The name given to the Sun and the planets?
4.
A body that orbits a star and has cleared its neighbourhood?
5.
Quantity that is often simplified to speed?
6.
The rate of change of velocity?
7.
This can never be created or destroyed, only changed?
8.
The force due to the gravitational field strength on a planet?
9.
Force that explains why the Moon orbits the Earth?
10.
Astronomical body that orbits a planet, e.g. Europa?
11.
The distance from a point on one wave to the same point on the next wave?
12.
A way of constructing a battery and various components, this needs to be complete?
13.
A component which is added to a circuit to reduce current?
14.
The type of circuit or gate used in digtial electronics?
15.
A type of circuit with only one complete path?
16.
A type of circuit with a junction and choice of path?
17.
Another term for Potential Difference?
18.
The rate of flow of charge in a circuit?
19.
Component used to measure the temperature?
20.
The number of waves per second?
