At most schools, 8th grade is the last year that students participate in the Science Fair. Help your 8th grader make the most of his or her last Science Fair!
In this post, we’ve assembled 20 great science fair project ideas for 8th grade. We link each project description to its original source, where you can get more information and step-by-step instructions.
Do Baseball Stadium Dimensions Affect Batting Statistics?
By reviewing hundreds of stats, you can predict if your hypothesis is true or false.
Recommended for Grade 8+.
Source: www.sciencebuddies.org
How Does Fabric Softener Affect the Flammability of Different Fabrics?
Testing fabrics with and without added fabric softener show the scientist about fire retardant fabrics.
Recommended for Grades 8+.
Source: www.projects.juliantrubin.com
Why does the bank teller hold the bill under a purple light? Why does the cashier put a check mark on the bill using a special marker? Test these and find out how to identify counterfeit currency.
Recommended for Grades 8+.
Source: http://www.ScienceProject.com
3 Great Science Fair Projects for 8th Graders
Interesting ideas and instructions for 3 different projects, including the best way to soundproof a garage.
Recommended for grades 8+.
Source: MakeScienceFun
Science Fair Projects on Earthquakes
This site offers several different project ideas related to earthquakes. There are links available for additional information.
Recommended for Grades 7-8.
Source: www.earthquake.usgs.gov
The Science of Fingerprints by Leonard Bloch
Fingerprints offer a fun way to explore the science of forensics. This site offers some basic experiments and then takes the student on a “Crime scene” investigation using their fingerprint knowledge.
Recommended for Grades 7-8.
Gender Difference in Resting Pulse Rate of 7th Graders
This experiment tested to see if gender made a difference in resting heart rates. Follow the scientist’s experiments to see what you conclude.
Recommended for Grades 7-8.
Source: www.sciencefair-projects.org
This experiment will test if humans have a blind spot in their vision and how to find it.
Recommended for Grades 7-8.
Source: www.exploratorium.edu
This experiment tests the relationship between taste and smell. The site offers great guidelines, links for research and much more.
Recommended for Grades 6-8.
Source: www.sciencefair.math.iit.edu
Does Chewing Gum Make You Smarter?
This will test the theory that chewing gum will help you perform better on tests and other mental challenges.
Recommended for grades 6-8.
Source: www.education.com
Which Gear Gives the Best Performance in a Kart Race?
These two scientists give you all of their tips to reproduce this experiment on your own to determine who will win your race.
Recommended for grades 6-8.
Source: www.pbskids.org
How to Power a Radio with Solar Power
Learn how to power up a radio using the power of the sun!
Recommended for grades 6-8.
Source: www.makeitsolar.com
Find out what effect the water depth has on a wave’s velocity.
Recommended for Grade 6-8.
Source: www.sciencebuddies.co
This project explores the effectiveness of various cleaning solutions in cleaning tarnished and oxidized coins.
Recommended for Grades 6-8.
Source: www.education.com
Is There Chemical Contamination in Your Stream or Creek?
Using lettuce as a bioassay, students can test the quality of water. Check out these experiments for your science fair project.
Recommended for Grades 7-8.
Source: www.ars.usda.gov
Solar Cell Power Output vs Temperature
In this project you will build a simple circuit and experimental setup to investigate whether the power output of a solar cell changes with ambient temperature.
Recommended for Grades 7-8.
Source: www.sciencebuddies.org
Does Music have an Effect on Biological Systems?
This experiment will help to determine if music has an effect on the growth rate of vegetation.
Recommended for grades 7-8.
Source: www.cool-science-projects.com
Exploring Skyscraper Design with Legos
Can you determine the best design for a skyscraper? Test out your hypotheses using Legos.
Recommended for Grades 7-8.
Source: www.mpmideas.com