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This science fair project idea determines which flower lasts the longest.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This science fair project idea investigates the hardness property of minerals.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here's a science activity to help your child investigate how seeds are designed to travel.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Science fair project that explains and demonstrates the parallax principle.