Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this science fair project, young children notice and track changes in trees throughout the year.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Make an edible play dough with your child to help her develop her sensory and motor skills.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Transform your uncomfortable wooden shoes into charming mini planters!

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.