3rd and 4th Grade Science Activities : Page 19

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.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

An home science experiment for older students that teaches about the science behind heat.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

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