| Hint | Answer |
| Heinrich Hertz was honoured by his surname becoming the SI unit for what? | |
| What sparks produce can produce radio waves? | |
| How can radio waves be detected? | |
| The apparatus used to produce the radio waves is known as a what? | |
| What phenomenon occurs when the waves pass through the detector? | |
| What happens when a metal sheet is placed between the transmitter and the detector? | |
| A metal sheet does what to radio waves? | |
| What materials do not stop radio waves? | |
| Hertz's radio waves were what? | |
| Hertz's discovery confirmed which Physicist's theory? | |