Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea compares biodiversity between drops of water.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.