What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This project examines the concentration of dissolved oxygen in water, with and without oil.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.