2nd and 3rd Grade Science Activities : Page 9

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Learn about nature by making your own mini moss garden.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

This project determines what category of person is most likely to be ticklish.

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

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Using a toy race car kids create a visual model of the Doppler Effect.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

This project compares the strength of one, two, and three-ply toilet paper.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This surprisingly good glue recipe comes from common kitchen items.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.