Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Help your child make a beautiful homemade sandcastle that will last!

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?

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Plant a mini herb garden and teach your child about science and nature.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Transform your uncomfortable wooden shoes into charming mini planters!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

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

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.