4th - 8th Grade Science Resources : Page 20

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.