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.

This science fair project idea determines if the color of light affects the growth of plants.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This science fair project idea investigates how images are influenced by changes in light.

This experiment will explore the best way to create a perfect soft-boiled egg.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Determine whether the relationship between a personâs armspan and height are genetic.

This project explores whether music affects the growth and health of plants.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This science fair project idea explores how length affects the weight a bridge can hold.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.