Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?