This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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.

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

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

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.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea produces varying pitches of sound.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Determine which metal has the highest rate of conductivity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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 explores the fastest average speed a human can talk.

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