Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project idea identifies clouds as a means of predicting the weather.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

The project determines which laundry detergent is best for cleaning clothes.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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.

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Cleaning can be a chore, but not with this sudsy experiment!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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