Ground-truthing ... is it even a word? The last installment of a five-part series analyzes how scientists collect sea surface temperature data. Scholars use government websites to compare temperature data collected directly from buoys...

Teach basic logic using Boolean operators. Young computer scientists learn about the operators NOT, AND, and OR, and how they can be expressed using Boolean notation, logic gates, or truth tables. Along the way, they learn about half...

Students investigate examples of hate crimes and their causes by participating in a round-table discussion. They also write a personal essay describing their personal views on the subject and describing a plan for putting their views...

The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...

Young scholars solve problems of inequalities and equations. In this algebra instructional activity, students add, subtract, multiply and divide to solve inequalities. They graph their solutions on a number line.

Get things moving with this extensive collection of physical science resources. Covering the fundamentals of measurement, graphing, lab safety, and experimental design as well as the specific scientific concepts...

Students explore crystals through the story Snowflake Bentley and then create crystal pictures of their own. In this interdisciplinary lesson, they create a crystal web chart on chart paper, design artificial snowflakes, and write poems...

Students assess how to construct all possible circuits out of Nand gates. They divide into groups and are given a set of manipulatives to organize and explain the operation of a Nand gate. Each group recognizes the need to construct...

Students simulate some of the Pathfinder experiments by devising methods of collecting and measuring magnetic substances in pseudo-Martian soil. The efficiency of each of the methods used to collect materials is evaluated in this...