This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

The objective of this science project is to determine the length of time for different seeds to germinate.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This project will explore whether music influences physical endurance.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.