4th - 7th Grade Activities

Will the shape of an ice cube impact how fast the ice melts?

Help your child plant a "tea garden": a garden made of herbs for making teas.

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

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

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

Greek mythology offers up some of the most epic tales ever. This Greek mythology tree activity introduces him to some of the main characters in Greek mythology.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

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 determines what household items are good conductors of electricity.

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

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

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

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

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

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

In this fun experiment, we'll find out how color affects heat absorption!

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Looking for a simple, yet unique writing activity for your child on Valentine's Day? Try a hand at haiku!