4th - 8th Grade Science Projects Activities : Page 7

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea investigates whether plants can survive being frozen.

Examine the effect of pressure on carbonation in soda.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science research project challenges students to think of more effective lobster farming methods.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

The purpose of this science fair project is to build a basic radio.

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea explores substances that cause a bubble to last longer.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project teaches students about wilting and browning of salad greens.