Information from the
Science Fairs Council
1. Fire and Burning- what factors affect
2. Fuels and their efficiency in producing
3. Musical instruments- the scientific
principles behind them
4. Music vs Noise- difference
5. Pendulums- how can a period of a
pendulum be increased?
6. Air Pressure- Water Pressure
7. Gears- compare efficiencies, effect of
8. Solar Furnace
9.Lenses- effects of curvature, materials
on light beams
10.Can eggs withstand a greater force from
one direction than from others?
11.How strong are nylon fishing lines?
12.How strong are plastic wraps?
13.Which homemade airplane design flies
14.What factors affect the bounce of a
15.How do compression and tension make
16.How strong is a toothpick?
17.Which type of lawn sprinkler works
18.Which type\size of light bulb produces
the most light?
19.How can the strength of light be
measured?- the effect on degradable materials
20.Which materials can be charged with
21.Which battery lasts the longest?- How
can power be increased?
22.What affects light reflection?-
refraction and diffraction of light?
23.Spectrum and colour production- prisms
24.How is sound produced? What affects the
pitch of sound?- What affects the volume of sound? - How would
you measure the velocity of sound?
25.Electric Motors- principles and factors
effecting their efficiency
26.Electric Circuits- factors affecting voltage,amperage, resistance
27.Magnets and electromagnets- What
affects the strength of and electromagnet?
28.Buzzers and bells and alarms.
30.Internal Combustion engines
31.Heat convection- Radiation of heat
32.Insulation-best materials, thickness
33.How is paint affected by temperature
changes?- Elasticity of rubber; effect of glue.
1. Use of solar energy- design and
construct solar cookers, solar panels, etc.
2. Designing a strong bridge, an energy
3. Efficient use of renewable energy
resources- E.G. Wood, Wind
4. Determine the accuracy of various
5. How much heat is required to raise the
temperature of various substances by an equal amount?
6. Principle of energy conservation
7. Comparing active & passive solar energy
systems in cost and efficiency.
1.Snow- what happens when it melts; what
does it contain; structure of snow flakes; life in a snowbank
2.Sky Colour- account for differences in
colour at different times
3.Wind and Clouds- what are the common
wind patterns in your area and why? Is cloud formation related
to height, weather systems and temperature? Study and record how
clouds relate to weather patterns.
4.Water levels- study and record varying
levels over the year in a body of water; account for differences
and the results on the surrounding environment.
5.Dew formation- how much is formed on a
square meter for a period of time; account for variations
6.Wind-does wind travel at same speeds and
in same directions at different heights?
7.Frost formation- what must the
temperature be to form first; what are the effects of humidity?
What is the make-up of frost and dew?
8.Evaporation- which effects the rate of
evaporation most- temperature, humidity, wind speed or other
9.Rain- can you measure the speed and
force of raindrops?-What is the effect on soil, with and without
ground cover? Could you simulate the effect of rain?
10. Heat Retention- does fresh water hold
heat longer than salt water? How does water compare to land and
what effect does this have on the weather? What factors affect
the cooling of land?
11.Sunlight- how do different surfaces
affect the amount of sunlight reflected and absorbed? Design a
method of measuring how much sunshine is available each day.
12. Humidity- can you collect the amounts
of water in the air at different temperatures?
13.Temperature- what is the difference
between direct sun and in the shade? Is the difference
14.Weather records- Design and build an
automatic recording weather device. Test it over a period of
15.Effects of Humidity- what happens to
hair during periods of changing humidity? How does human hair
compare to that of other animals? How do other materials compare
in expansion and contraction.
1. Effects of temperature on viscosity of
oil, chemical reactions, Brownian movement, burning of different
2. Everyday activities that illustrate
3. Chemical reactions that produce energy
or that require energy
4. Testing of consumer products- glues,
stain removers, antiseptics, mouthwash, detergents, paper
towels, making salt water potable, removal of pollutants
5. Effects of sunlight on rubber, ink,
6. Effects of increased concentrations on
the rate of chemical reactions
7. Compare the pH levels in mouths of
various animals and humans at different times in the day
8. Compare the surface tension of various
9. Dealing with chemical spills from
10.Analyzing snow and rain for pollutants;
samples from different locations
11.Effects of temperature on density of
12.Effects of salt and other contaminants
on rate of rusting
13.Growing crystals- factors that affect
the rate and the size
14.Can you obtain water from ink, vinegar,
15.What effects do different amounts of
exercise have on the production of carbon dioxide in humans?
16.Analyze soil samples for their
components, ability to hold moisture, fertility and pH
17.Does the amount of particle pollution
vary with distance from a road, with location, with height.
Determine types of particles found in pollution fallout
18.Catalysts- how they work and why;
commercial applicants and problems
19.Fire extinguishers-principles of
operation and factors affecting their efficient use
20.How do acids react with different
metals under varying conditions
21.Identify different metals by the colour
of flame when they burn
22.Can you devise and experiment that will
list metals in order of their activity, from the most potassium
to the least active ore gold
23.Electroplating- the principles, how
different metals can be used and the practical applications
1.Germination - how monocots and dicots differ - the effects of
heat, light, carbon dioxide, pH level, etc. on germination rate
2.Photosynthesis - factors affecting the rate of photosynthesis
temperature, light intensity, water, carbondioxide - part of light
spectrum used in photosynthesis
3.Leaf - do the numbers and sizes of stomata vary with different
plants - what happens if stomata are covered and why
4.Roots - how much water is used by different plants - what is
the effect of temperature, sunlight, etc., on the use of water
(transpiration) - how do different types of soils affect the ability
of roots to anchor plants - what factors encourage root growth and
what is the effect of water, oxygen, soil type, minerals on root
5.Plant growth - determine the effects of various nutrients,
amounts of water, hours of sunlight, strength of weed killer,
temperature, pollutants, pH levels on plant growth and crop yields -
can plants live without oxygen, carbon dioxide - what percentages of
various plants is water
6.Genetic Studies - connections between hair and eye colour, sex
and left handedness, hair colour and strength - family studies on
7.What conditions are favourable for: -fungus growth- E.G. yeast,
mold, mildew diseases -mushroom production -growing brine shrimp
-algae growth -bacteria growth or control- mutations -rooting
cuttings -the survival of Planaria -the growth of nitrogen fixing
bacteria -lichen growth
8.Field Studies -effects of herbicide spraying, acid rain in a
lake, auto exhausts on a roadside, SO2 emissions on plants, under
hydro lines -types of bacteria found around the home, on the body,
in soil of different types
9.Reactions of protozoa to changes in the environment
10.The preferred pH level
in the soil for various plants