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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

Help your child "step up" to second grade math fact challenges with a fun addition and subtraction game in your very own kitchen.

This fun shape game is like Twister...with a twist!

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.