| Energy in a balloon |
Drag on small boats in a piece of water filled guttering |
| Energy emitted by a light bulb - LDR |
Most efficient immersion heater |
| Cars and carpet - friction and braking |
Defects of lenses - astigmatism |
| Volume change after mixing water and methanol |
Heat effects in stretching a rubber band |
| Expansion of a heated rubber band |
The propellor and drag |
| Strength of plants - bending in the wind |
Resonance in buildings - earthquake simulations |
| Mechanical resonance |
Bilfilar suspension |
| Absorption of light by glass |
Waves on a stretched spring |
| Paper levitation by a Van der Graaff generator |
Difraction and resolution |
| Oscillation of tapes in an airflow |
Falling magnet in a copper tube |
| Singing tube |
Attractive forces in electromagnets |
| Fatigue in aluminium strips |
Bilfilar suspension |
| Craters |
Bouncing balls |
| Friction in curtain rails |
How bubbles arise in liquids |
| Effect of polish on friction |
The strength of adhesives |
| Vibrations in a soap film |
Viscosity of liquids |
| Optical properties of syrup |
Objects in an air stream |
| Standing waves on a vibrating wire hoop |
Bouncing balls |
| The jumping ring |
Penetration of nails into wood |
| Photochromic sunglasses |
Bending of a wooden beam |
| Electromagnetic clutch |
Continuously variable transmission |
| Strength of wet and dry tissues |
Capillarity in sugar cubes |
| Thrust of model aircraft propellors |
Bouncing balls |
| Transformer efficiency |
Transmission of light through glass and water |
| Conductivity of salt solution |
The silt meter - light transmission |
| The properties of a small water pump |
Strength of a polythene bag |
| Photoelasticity |
Forces in athletics |
| The physics of musical instruments |
Damping and resonance |
| Reflection of microwaves from different sized mesh |
The efficiency of a small solar cell |
| Electromagnetic induction - separated coils |
Air damping with a propellor |
