Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Test whether plants can grow without sunlight and water.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.