2nd - 4th Grade Science Activities : Page 13

In this science fair project, students create their own miniature salt flats at home.

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.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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!

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

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!

This science fair project idea provides evidence that air is everywhere and takes up space.

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.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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.