Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

How powerful is the reaction between baking soda and vinegar? Find out here!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Cleaning can be a chore, but not with this sudsy experiment!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.