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Fourth Grade Science Activities and Experiments

Our 4th grade science activities and experiments include enlightening physics demonstrations, cool electricity projects, fun food experiments, and more. For more in depth science projects, take a look at the Science Fair Project Ideas section of the site.

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Fourth Grade

Science

Float My Clay Boat

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.

Explore Surface Tension

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Make a Hovercraft!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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.

A Glow in the Dark Bonanza!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

The Gas Guzzler Challenge

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Tracking Temperatures

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Electric Science: Make a Battery!

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

Recycled Wire Hanger Bird Feeder

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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

Skewered Balloons!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Hammered Flower Prints

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

How to Pan for Gold

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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.

Candy Science Experiments: Toffee!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Taste Test Science: Fool Your Tongue!

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

Delicious Classification: Vertebrates and Invertebrates

Help your child learn about animal classification with this fun and delicious activity.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Halloween Decorations: Make Ghouly Hands!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

What is Induction?

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Volcano Project

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

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