Download the lesson materials here. Is the continent of Africa really splitting apart? Students learn how to check the credibility of a source by finding experts to verify or debunk […] ...

Marisa Noel is facing 25 sex crime charges involving two students ...

A former fifth-grade teacher in Louisiana is facing multiple charges for allegedly sexually assaulting two students.

The animation below is for the case of c = 0 (undamped). The derivation of the dynamical equation of motion (EOM) for a system is a straight-forward application of what we have learned from Chapter 5 ...

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We’ve all been there. It’s 1:30 PM, the sun is hitting the classroom windows just right, and half of your middle schoolers ...

When you are adding larger numbers, it’s often better to use a written method. Column addition is a good written method to add one number to another. It involves putting the digits of each number into ...

Mathematica needs you! Add, subtract, divide and multiply your way to victory. Meet the Karate Cats and practice spelling, grammar and punctuation as you chop, kick and smash the challenges. Join ...

A NASA mission is taking four astronauts around the moon and back for the first time in 50 years. Will it make a difference in the world? By Natalie Proulx Through Times articles, photos, videos, ...

In 1970, the first Earth Day sparked a massive public protest, with 20 million Americans taking to streets and college campuses to speak out against air and water pollution, wilderness loss, and ...