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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 cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Can cells be frozen? This science fair project provides information to answer this question.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

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

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This science fair project teaches students about wilting and browning of salad greens.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project that tests whether cats have a preference for organic food.