Download Ideas for investigation topics

Some great topics students have investigated and presented
Man made waste Vs organic waste: environmental audit.
Environment and Agriculture
A comparison of the live birth rates of Artificial Insemination verses
Natural Insemination in lambs.
Which natural gluten-free flour has the best rising properties?
The effect of water on the growth rate of oats and red clover.
What is the optimum length to leave grass after grazing?
What a crowd! Effect of crowding on the rate of growth of sunflowers.
Which mulch retains the most moisture?
What is the relationship between pH & glucose in fruits?
Which types of fertiliser are most effective?
What additive added to water will allow cut flowers to last the best?
The formation of bacteria in milk, how can we speed or slow the process?
Chlorophyll chromatography; investigating different plants to investigate
the images provided.
Which fertiliser concentration has the best effect on plant growth?
Colourful crops: do different coloured lights affect the growth of dwarf
bean seeds?
Fresh, Frozen or Refrigerated - does storage method affect the amount of
vitamin C in oranges?
What brand of white bread goes mouldy the quickest?
Glyceamic Index in cereals, what cereal has the highest GI?
To live or die? The effect of soil pH on corn growth.
Elements, Compounds and Mixtures
How does Acid Rain affect plant growth?
Stain Removal from cotton; what is the best technique?
What growth medium is best for plant germination?
Salinity & buoyancy is there a relationship?
How do different water additives affect seed germination?
Investigating waxes & emulsions in beauty products.
High fibre is a better survivor, looking at the time required for different
foods to decompose.
Mpemba effect; can warmer water freeze faster than cold water?
Are certain insects attracted to specific colours?
Coke volcano; which size Coke Zero bottle will create the most violent
reaction to Mentos?
Some great topics students have investigated and presented
Energy, Force and Motion
Human Anatomy, Physiology, Genetics and Behaviour
Testing underfloor insulation; what is the best material for insulation?
Coffee, kids and concentration, how does coffee affect concentration?
Battery efficiency; what brand of battery lasts the longest?
Quick change of feet, how does shoe size affect dancing ability?
Whacky Wood - Testing different types of local wood to identify which
burns the best. (i.e. burns slowest and produces the most heat)
Do teens lose sleep because of technology?
Testing Electromagnetic Radiation from Mobile Phones.
Static Electricity, how can we enhance the spark?
The effect of chewing gum on the pH of human saliva.
Music and how it affects the heart rate.
The effect of aging on memory.
Acceleration and friction in my billy cart, how to maximise the distance I
travel?
Shoe size and height, is there a relationship?
Coloured Ice, what colour melts the fastest?
The effect of music on blood pressure, what type of music has the most
effect on blood pressure? Jazz, pop, classical or rock?
Building Bridges - Suspension vs. Beam.
Bike tyre pressure, what is the best for the fastest speed?
Sound Insulation, comparing different materials to investigate the most
effective sound absorber.
The power of polishing: finding the best polishing product for aluminium.
Citrus fruit batteries. Which fruit produces the most voltage?
Does car tyre pressure affect fuel economy?
Effect of parachute shape on parachute falling speed.
The ability to multi task, is there a difference in gender and age?
Does altitude affect blood oxygen levels in people?
Exercising and Carbon dioxide is there a relationship between the amount
of exercise completed and the amount of CO2 released?
Identification Fixation: Are fingerprints genetically inherited?
Exercise and face recognition. Does exercise affect memory?
Does the amount of sugar affect the perception people have of which
chocolate tastes the best?