Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how color affects temperature.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

In this activity, your child will be challenged to make a tower using paper cups.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

Is your child a young ornithologist in the making?

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

This science fair project idea investigates how the shape of an object affects drag.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.