5th - 7th Grade Science Activities : Page 7

This science fair project idea investigates the difference in reaction times between boys and girls.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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?

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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 teaches students about wilting and browning of salad greens.

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 science fair project, students create their own miniature salt flats at home.

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

This science fair project idea determines the most effective method of preserving food.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this 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 determines what household items are good conductors of electricity.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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 we will be determining whether birds prefer certain colors of seed.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This project explores ways to prevent static electrical shocks.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.