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In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Check out this cool science fair project on identifying rocks and minerals for kids.

Will the shape of an ice cube impact how fast the ice melts?

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This simple experiment serves as an introduction to the greenhouse effect.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Construct and experiment with a periscope using reflected light rays to gather an image.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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.

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science fair project idea produces sounds by creating vibrations using different objects.

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.