Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea determines if the color of light affects the growth of plants.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

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

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

This project investigates the affect of storage temperature on microwave popcorn.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Determine whether the relationship between a personâs armspan and height are genetic.

This science fair project idea explores the egg's thin membrane.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Determine which material produces the strongest static charge.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Examine the effect of pressure on carbonation in soda.