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4th Grade Physical Science Learning Resources

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Fourth Grade

Physical Science

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!

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.

Volcano Project

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

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.

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.

Recycling Christmas Lights

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

Electric Science: Make a Battery!

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

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.

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.

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.

Density Demonstration

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

Preserving Foods

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

How to Demagnetize a Magnet

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

Make a Sand Clock

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Simple Machines at Home

Give your budding young observers a chance to discover simple machines at use in their own home.

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.

Taste Test Science: Fool Your Tongue!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Make a Homemade Hand Warmer!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Electricity Word Search

Is your kid studying electricity? Give her a break from the scientific nitty-gritty with this fun word search full of electricity terms!

What's the Matter? #1

Kids flex their physical science knowledge by classifying items as solids or liquids in this 4th grade states of matter worksheet.

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.

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