3rd and 4th Grade Science Activities : Page 19

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Create a bee garden to help shelter bees in your area.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.