1st - 5th Grade Science Projects Activities : Page 20

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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.

This science fair project idea determines the probability of a coin landing heads or tails.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Demonstrate how to tell the age of an egg without having to crack it open.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?