Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

The project researches how lubricants affect the mechanical advantage of a pulley.

Determine how we can separate the components of a solution

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

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.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.