Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Make an edible play dough with your child to help her develop her sensory and motor skills.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Science fair project that tests whether cats have a preference for organic food.

Explore the wattage of microwaves in relevance to cooking time.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

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

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.

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.