Why do some objects sink while others float? That’s the question young engineers tackle in a unit module of two lessons and three activities. With some help from Archimedes (and his principle) and the principle of buoyancy, scholars...

Oh, no! An asteroid is on a collision course with Earth!. The challenge, should your students choose to accept it, is to design underground survival caverns to shelter people for one year. Over the course of eight lessons, engineering...

Prepare eighth-graders for the Smarter Balanced Assessment with a small but powerful collection of three resources comprised of teacher and student-friendly slides that review key concepts in the eighth grade standards. Claim 2 focuses...

Ten resources make up a collection of student and teacher-friendly slides that prepare eighth graders for the Smarter Balance assessment. Learners review rational and irrational numbers, convert repeating decimals to fractions, as well...