Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

Science fair project that cultivates slime mold and monitors the stages of its development.

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

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.