5th - 7th Grade Science Activities : Page 9

Do different types of oil mix or stack? Find out in this science fair 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.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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

This simple experiment serves as an introduction to the greenhouse effect.

This project investigates the affect of storage temperature on microwave popcorn.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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

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.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project idea examines whether boys and girls differ in reflexes.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!