||10 How is paint affected by temperature changes?
36 Use of solar energy- design and construct solar cookers, solar panels, etc.
06 Air Pressure- Water Pressure
00 Compare copper wires to optical fibers for transmitting sound, image or data.
10 Lenses- effects of curvature, materials on light beams
20 How can the strength of light be measured?- the effect on degradable materials
26 Electric Motors- principles and factors effecting their efficiency
39 Determine the accuracy of various thermometers
04 Music Versus Noise- difference
02 Fuels and their efficiency in producing energy.
22 Which battery lasts the longest?- How can power be increased?
19 Which type\size of light bulb produces the most light?
24 Spectrum and color production- prisms 27.
11 Can eggs withstand a greater force from one direction than from others?
17 How strong is a toothpick?
29 Buzzers and bells and alarms.
51 Water Pressure
21 Which materials can be charged with static electricity?
35 How is paint affected by temperature changes?- Elasticity of rubber; effect of glue.
37 Designing a strong bridge
01 Fire and Burning- what factors affect burning?
25 How is sound produced? What affects the pitch of sound?- What affects the volume of sound? - How would you measure the velocity of sound?
28 Magnets and electromagnets- What affects the strength of an electromagnet?
08 Gears- compare efficiencies, effect of different lubricants
46 What is light?
14 Which homemade airplane design flies best?
03 Musical instruments- the scientific principles behind them
12 How strong are nylon fishing lines?
30 Magnet Levitation- Experiment gravity defying effects of magnetism and build a Magnetic Levitating Train
09 Solar Furnace
05 Pendulums- how can a period of a pendulum be increased?
15 What factors affect the bounce of a dropped ball?
07 How do you establish elevation from sea level
42 Comparing active & passive solar energy systems in cost and efficiency.
43 Designing an energy efficient home
12 How does temperature affect the strength or adherence of glue?
27 Electric Circuits- factors affecting voltage,amperage, resistance
11 How does temperature affect the elasticity of rubber?
34 Insulation-best materials, thickness
18 Which type of lawn sprinkler works best?
13 How strong are plastic wraps?
50 Air Pressure; Can air pressure be used to push, break or bend objects?
16 How do compression and tension make things strong?
40 How much heat is required to raise the temperature of various substances by an equal amount?
44 Can water be magnetized?
23 What affects light reflection?- refraction and diffraction of light?
32 Internal Combustion engines