Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This simple experiment serves as an introduction to the greenhouse effect.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Help your child learn about animal classification with this fun and delicious activity.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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.

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

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