Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea produces varying pitches of sound.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Learn about this simple machine and make a pulley of your own to use for fun science trials.