High School Science Fair Ideas

Science fair ideas for high school need not be very tough or expensive, just to draw attention of others. The logic is to choose a relevant topic and select groundbreaking ideas, which sound something new and knowledgeable to the onlookers. While deciding your project topic, make a point to research on high school science fair projects and experiments. And I am sure you will get a hint about high school science fair ideas and how to go about your project.

High School Science Fair Project Ideas

For high schoolers, it is always fun to attend science fair projects. Applying scientific knowledge to some coolest ideas and preparing models sound very interesting. Or else, you can come up with an assumption or hypothesis and prove it with scientific applications. Another type of project is to repeat existing hypothesis and demonstrate the results. In any of the cases, think different and select innovative topic ideas for high school science projects. Here is a list of high school science fair ideas for your reference:

1. How can you neutralize oils in a saltwater sample? Is there any solution for neutralizing oil spills in oceans?
2. Is the pH of a solution affects the corrosion rate of metals? Perform this chemistry project and find solutions to reduce corrosion.
3. Study the ways to recycle non-biodegradable goods? Which processing or recycling method works the best?
4. Is there any difference in the nutrition facts of genetically modified foods with regular foods of the same type? You can take tomatoes as samples.
5. What is so special about the Drosophila fly that it is frequently used in biology experiments?
6. What are the effective methods for water purification? Is boiling water changes its chemical properties?
7. How does a television work? How can you see pictures in a TV?
8. Study the differences between normal lights and LED (light-emitting diode) lights? How does LED lights work in saving energy?
9. Is there any connection between the blade size of a wind turbine and the amount of power generated? Study the same for number of blades.
10. Do different diaper brands absorb the same amount of moisture? Which brand is the best in absorbing moisture?
11. Why do agriculturists say that monoculture reduces crops yield? What are natural tips to increase crop productivity?
12. What factors affect the ripening of fruits? Is artificial ripening reduce the nutritional value of fruits?
13. In what alum concentration and in which temperature range do largest crystals are formed? Is the rate of cooling down affects crystal growth?
14. How can you treat water by phytoremediation? Mention some phytoremediation plants and their potential in treating polluted water?
15. Explain the process of bioaccumulation? You can consider citing the example of mercury poisoning in a water ecosystem.
16. What is the phenomenon behind plant autotoxicity? Take alfalfa plant as an example for the topic.
17. What is allelopathy? How do some plants manage to inhibit the growth of neighboring plants?
18. Is there any difference in the olfactory responses with respect to age? See the response in different age groups.
19. Does the vitamin C content of lemon differs with variety? Which cultivar contains the highest vitamin C?
20. Do natural mosquito repellents (e.g. plants) really help in driving away mosquitoes?
21. Do all fertilizer brands work in the same manner to promote plant growth and development? Take plants of same species as sample and monitor growth with varied fertilizers?
22. Find out the long-term effects of pesticides and insecticides in the environment?
23. What are the factors that play a major role in seed germination? Explain the steps to do to quicken germination of seeds?
24. Why does a pole half immersed in water looks like it is bent at the insertion point?
25. Do you know current can be started in a metal conductor just by focusing light on it? Test your physics by taking up this photoelectric project.
26. What does a night insect gets attracted to? Is it the light or the heat?
27. What are the effects of air pollutants in the roadside plants? Consider measuring the leaf size and examining the number of stomata?
28. Can chemicals alter the plant growth rate, leaf development, flowering and food production? Examine the individual factors to demonstrate the results?
29. How do natural food preservatives help in preventing food deterioration? Name the safe and effective natural preservatives.
30. What is the phenomenon behind canning? Is the nutritional value of food reduce after being canned?
31. Do all soil types have the same erosion rate, provided that the environmental conditions are same? Which soil type is resistant to erosion?
32. Examine how bacteria develop resistance towards certain antibiotics? What should be done to minimize bacterial resistance?
33. Do bathing soaps and dishwashing soaps promote growth of algae? If yes, why is it so?
34. Are organic fertilizers and chemical fertilizers have the same effects in plants?
35. Can you make cottage cheese at home? Find out the role of yeast in production of cheese?
36. What are the approaches for containment and management of floods? Explain their pros and cons.
37. Collect rainwater sample and study the chemical and physical properties? Predict the hazardous effects (if any) of rainwater.
38. Study the phenomenon of phototropism and geotropism in plants? Show with home potted plants?
39. Compare the water samples from nearby ponds and rivers regarding presence of pathogenic microbes?
40. Why is it so that stagnant water bodies are prone to get polluted very soon, as compared to running water bodies?
41. What are the steps that can be taken up to prevent earthquakes? Study with reference to previous earthquake calamities?
42. How does a calculator work? Is it true that it has a limited preciseness?

These were some of the high school science fair ideas that you can consider for your upcoming project. Remember to research about the selected science fair ideas for high school thoroughly and be prepared with the prospective results. That will help you boost your confidence for the big day. After all, you want the judges to notice your science venture and get good grades, isn't it!