4th - 6th Grade Science Activities : Page 16

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project idea produces varying pitches of sound.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Discover whether a metal will expand under hot water.

This science fair project idea explores which fruit molds the fastest.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

This science project allows students to study the psychology of happiness.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

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.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this science fair project you will make a model of a cell membrane using very simple material.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea compares biodiversity between drops of water.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This science fair project idea examines which type of insulation holds in the most heat.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.