These secret code activities are fun, and also provide fourth graders with great opportunities to practice language development and logical reasoning.

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

Enhance fourth-grade measurement making skills and social studies learning with this stitching project.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.