3rd and 4th Grade Science Resources : Page 21

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea produces sounds by creating vibrations using different objects.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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!

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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."

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.