Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Make a mood meter with your child to help them recognize and share their feelings.

This science fair project idea explores how length affects the weight a bridge can hold.

Make a "feeling meter" that helps your first grader read key feeling words and communicate his emotions accurately to you.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This Fourth of July, play a fun history-inspired math and logic puzzle game for your kids to play!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Get your child excited about measuring with this fun and easy household measurements activity.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Why wait for the Easter bunny to arrive when your child can become a bunny herself? Creating a bunny mask is the perfect way to celebrate Easter.

Act out the Three Billy Goats Gruff with this adorable paper plate mask.

Here's a silly game that uses nursery rhymes to introduce a big concept in first grade reading and writing: learning about nouns and verbs.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Here's a fun car game for you: Blind Distance. Blind Distance is a great way to bond with your child and teacher her about depth perception at the same time.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.