The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

In this science fair project, students make their own rain gauge to measure rainfall.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea determines what household items are good conductors of electricity.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Examine the effect of pressure on carbonation in soda.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.