Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This activity with add some fun and education to long car trips. Perfect for family vacations!

Improve your child's memory, focus, and concentration with this outdoor group memory game. For 4th grade, 5th grade, and middle school age children.

Work on division with remainders in this fun fourth grade math board game.

Work on finding means and medians in this fifth grade math card game.

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Introduce decimals and place value with this fun math card game for fourth grade students.

This game turns prediction, a major component of third grade reading, into a fun game.

Analyze this simple betting game with your fourth grade student in order to discuss probability.

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

Here's an innovative math puzzle that you can create with your fourth grade math student.

Use this interactive activity to help your third-grade child develop vocabulary skills and make a flipbook.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

Explore the world from your own home by conducting research about other cultures with your 4th grade child.

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

How many ways can Christmas fun "add up"? Download this fourth grade math worksheet and find out!

Practice third and fourth grade measurement skills and make a practical holiday gift in the process!

Master addition, subtraction, multiplication, and division through practice in this fun math game designed for fourth grade!

A twist on the gingerbread house, this train is made with graham crackers, icing, and candy decorations. A great 2nd-3rd grade holiday arts and crafts activity.