4th and 5th Grade Science Projects Resources : Page 5

This science fair project idea determines what household items are good conductors of electricity.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this project students experiment with making music using only glasses of water.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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 fun experiment provides a concrete and visually striking illustration of photosynthesis.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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?

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.