Science Fair Projects for 8th Grade

Science Fair Made Fun With These Epic 8th Grade Project Ideas

The best science fair projects are comprehensive, understandable, and less time-consuming. A list of easy-to-demonstrate science fair projects for the 8th grade are highlighted in this article. Have a look...
Students in the 8th grade are well-acquainted with science fair projects and the competition behind them. Participating in the project is fun and interesting for every student. It is a good chance to experiment, by applying your understanding of the various topics of a subject. Nevertheless, the most crucial step is coming up with an idea that is catchy as well as significant. Given below is a list of such suitable project ideas. Take your pick.

List of Science Fair Projects for the 8th Grade

We come across science in nearly all spheres of life. So, you can expect the probable number of project topics. But, selecting a particular subject that is catchy, unique, and interesting to conduct, is easier said than done. Following is a list of biology experiments and science fair projects for the 8th grade, from which you can choose your project title according to your personal interest:
  • What is the effect of temperature on the growth of a caterpillar?
  • What size of windmill blades gives maximum wind energy, and at what angle?
  • Can dogs and cats identify all visible colors? Or are they colorblind to specific colors?
  • Studying the stages of a star, including formation, intermediate phases, and death of the star?
  • What are the advantages of using fruits flies in genetic studies and research?
  • Does exposure to caffeine affect the survival rate of fruit flies?
  • What is the concentration of carbon dioxide in a soda bottle?
  • Which objects rust the most, and why?
  • What are the advantages of cryopreservation in scientific applications?
  • Explain the effects of gravity on the direction of growth of plants?
  • Studying the effects of water pH on the shape and size of algal cells?
  • Is it true that cruciferous vegetables aid in combating cancer? If yes, in what way?
  • In what way do food preservatives help in fighting against microbes?
  • What concentration of bleach is required to kill molds and other fungus species?
  • Can you detect electric charge in fruits and vegetables? If yes, which vegetable or fruit has the highest charge?
  • What is glass recycling? What are the benefits?
  • Why does a nocturnal insect get attracted to candles and lamps? Is it the heat or the light?
  • What is the controversy behind genetically modified (GM) foods? What are the pros and cons of GM foods?
  • Does light affect the food spoilage time? Under which light intensity, do foods spoil the most?
  • Are there any materials that glow in the dark? What is the phenomenon behind it?
  • What ratio of baking soda to vinegar, in volcano projects, produces the best eruption effect?
  • Is repeated use of the same water bottles safe for us? Or is there negative effects of reusing water bottles?
  • What are the factors (e.g. water, light intensity, temperature, soil, etc.) that contribute to quick germination of seeds?
  • Do different cations (calcium ion, sodium ion, potassium ion) affect the growth rate of plants?
  • Does soapy water promote the growth and development of plants? What is the concentration of soap water that is destructive for plants?
  • Is there any effect of magnetism on plant growth?
  • What are the factors that determine the fertility of soil other than nutrients levels?
  • How do beneficial soil microbes help in providing nutrients to plants?
  • Can plants grow without soil? If yes, under what conditions?
  • Is grafting tomato plants over potato plants possible?
  • Why does planting the same crop, repeatedly for many years, in the same area, affects the crop yield?
  • How do certain plants affect the growth of other plants growing in the same area?
  • What can you do to control the ripening of fruits?
At the time of finalizing the science fair project, pick a topic that you are comfortable and confident with, and not because it sounds interesting. After all, you are expected to practically demonstrate the chosen project, and reply to the questions that are put forth by other students.