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!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

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

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Use familiar household items and decorations to turn estimation into a fun game!

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

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 science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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