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4th Grade Physical Science Learning Resources

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Fourth Grade

Physical Science

How to Make an Anemometer

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

The Best Stain Remover for Clothes: Testing Laundry Stain Removal

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

A Single Movable Pulley and Mechanical Advantage

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Make Your Own Soap

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Preserving Foods

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

Color And Temperature

This science fair project idea investigates how color affects temperature.

Recycling Christmas Lights

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

Make a Pinhole Projector!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

How to Demagnetize a Magnet

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Conductor or Insulator

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

Fastest Way to Cool a Soda

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Volcano Project

Your child will be hooked on chemistry after she builds a model volcano by combining an acid and an alkaline substance.

Does A Longer Paper Airplane Fly Farther than a Wide One?

Find out whether a longer airplane will fly farther or a wider paper airplane.

Density Demonstration

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Defying Gravity

This science fair project idea investigates how magnetism can defy the force of gravity.

Homemade Lava Lamp

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

How to Create a Visual Doppler

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Electric Science: Make a Battery!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Microwave Madness

This science project idea examines the effect of microwaving on various objects.

Graduated Cylinders

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

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