4th - 7th Grade Science Activities : Page 11

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

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.

This science fair project idea explores the different properties of matter.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Test whether plants can grow without sunlight and water.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Examine the effect of pressure on carbonation in soda.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Find out whether matte or shiny nail polish lasts longer.

Find out whether putting something on top of a plant will inhibit its growth.

Do different types of oil mix or stack? Find out in this science fair project idea!