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This activity encourages children to sculpt in free form. The only rule is that they have to build upwards.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Your fifth grade aspiring poet will be delighted to learn how to write limericks, funny poems that correspond to a simple rhyming structure.

Show your child how to write a diamante poem, which makes use of a simple structure and results in a diamond-shaped poem.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Have your child kick off their summer vacation by making a miniature water slide!

If your child's paragraphs need to transition from out-of-order to organized and smooth, try this simple, real-life activity.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Create a haunted house from upcycled materials in this lively craft project!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project idea explores how length affects the weight a bridge can hold.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

Your child can build the home of her dreams by creating a truly imaginative model. She'll get to draft her own blueprints to design her masterpiece!

Make a clay sculpture of a fall tree to celebrate the changing seasons and bring out the artist in your third grader.

Delight your first grader by combining a reading activity with a fun "tea party" as she unscrambles cut-up words in a tea bag to form sentences and stories.

Learn about the architecture of Asia by building your very own model of a pagoda!

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.