Take a dive into the candy jar with this yummy science experiment.

Think about the adaptive utility of an important aspect of our physiology.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science project researches the correlation between barometric pressure and wind velocity.

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

Determine how good we are at direct and indirect observation.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

This science fair project idea tests the efficiency of short term memory.

Word color association is just a fancy way to talk about the way we connect colors with words.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea enhances awareness of local food production and food sourcing.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Explore the neural and mental mechanisms at play in mental imagery.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

The objective of this science project is to investigate patterns in fingerprints among family members.