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This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This science fair project idea examines which type of insulation holds in the most heat.

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 project explores ways to prevent static electrical shocks.

Plant a mini herb garden and teach your child about science and nature.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

The goal of this project is to create an exciting topographical map out of dough.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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.

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

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.