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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Determine if gender affects the ability to identify different smells.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair project idea discovers the principle of conservation of mass.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This project explores ways to prevent static electrical shocks.

Make an edible play dough with your child to help her develop her sensory and motor skills.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.