Easy High School Science Fair Topics

At high school you are definitely expected to come up with innovative ideas for making your science fair project a splendid one. Science is a vast discipline and you have to be very selective while choosing a good and easy topic for your high school science fair project. Schools conducting science fairs offer immense opportunity and scope to students to prove their scientific knowledge. Thus, if you are passionate about experimenting with new ideas, then these topics would definitely help you out.

Some of the best high school science fair topics have been sorted out from the core subjects of science, viz, physics, chemistry and biology. However, you can always choose topics from the newer disciplines like biochemistry, microbiology, molecular chemistry, forensic science, earth science, biophysics, environmental science, etc. Here are some easy high school science fair topics to choose from.

Chemistry

• Use dry ice to carbonate fruit.
• Make a charcoal crystal garden.
• Determine whether pH in the intestine affects absorption of calcium in body.
• The effects of cooking methods on depletion of vitamin C.
• Comparison of bacterial levels in organic and pasteurized milk.
• A comparison of thermal transport properties of ethylene glycol and water.
• What are the substances that when applied to airplane wings aid in the rapid removal of ice.
• Levels of carbohydrates in different varieties of milk.
• How evaporation affects heating and cooling.
• Show electrolysis of water with the help of a Daniell cell.
• What factors affect the yield and composition of meat after cooking?
• Are carbon filters less effective when water contains more chlorine?
• The effect of salt and sugar on freezing point of water.
• Use of chromatography to separate the pigments in food colorings or inks.
• Use pennies to test how pH affects copper corrosion.

Physics

• Observe the relationship between soil type and soil conductivity.
• The effect of different electrodes and electrolytes on voltage.
• Prism experiment to show refraction and splitting of light.
• Conduct an experiment to know and measure the potential difference between two points.
• Explain the relationship between magnetism and electricity with an experiment.
• Perform the liquid bottle rocket with relevant equipment.
• Show an experiment to demonstrate the effect of static friction vs kinetic friction.
• Measure the density of two liquids and compare how their molecules affect their weight and viscosity.
• Investigate whether the material used to make a drumstick affects its rebound height.
• Comparing the effectiveness of a light sensor and a touch sensor.
• Make a model of a steam powered rocket boat.
• Build a homemade magnetometer to study how the earth's magnetic fields are affected by solar storms.
• How different angles of incidence of solar rays impact the performance of a solar cell.
• Effects of electric fields on the growth of ice crystals.

Biology

• The effects of oxygen concentration on the germination rate of plant seeds.
• Comparison of bacterial levels in organic and pasteurized milk.
• The effect of algae on non pathogenic bacteria.
• Environmental effects of biodegradable detergents.
• The effect of ultraviolet radiation on the growth of bacteria on meat.
• The effect of the temperature of water on the hatch rate of mosquitoes.
• Demonstrating the symbiotic relationship between plants and bacteria.
• What is vermiculture? How does it enhance growth of plants and fertility of soil?
• The relationship between the size of a bird and its perching behavior .
• What is allelopathy? How do some plants manage to inhibit the growth of neighboring plants?
• Present a comparative study between safe and eco friendly antifreeze elements.
• The effects of preservatives and sweeteners on nutritional value of foods.
• Experiments to show effectiveness of organic fertilizers in improving plant growth.
• Effect of caffeine on rate of plant growth.
• Effect of carbonated drinks on the erosion of tooth enamel.

You must take help from your teachers and seniors if you have doubts regarding setting up the experiments. Along with a good practical approach, you need to give a wonderful demonstration or presentation so that every one is able to understand your work and the motive behind it. Understand the experiment, study the scientific theories and then present a logically correct experiment on your science fair day. I hope you have found the information useful. All the best!