4th Grade Activities

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

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.

Invite your child to craft dream cloud magnets to display their hopes and visions for the future!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Create your own version of an Aboriginal Australian dot painting in this fun activity!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

Learn all about balance and motion as your child designs a corn maze!

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Your child will learn a whole alphabet of different jobs while they complete this brain-teaser chart just in time to celebrate Labor Day!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Help your kids map the "global footprint" of your family's grocery cart by investigating how far your food travels before landing on your dinner table.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Discover whether cold or hot water from the faucet will boil faster on the stove.