As an assessment task, learners must determine the radius of a new tank that has double the capacity of a given tank. Task tests knowledge of determining volumes of cylinders and spheres.

Chemistry and earth science meet in a lesson on carbon dioxide emissions. After reading about atmospheric problems caused by using fossil fuels, science stars balance equations for the burning of different alkanes. They compute the...

Do your fourth graders need extra practice with evaluating fact and opinion? An informative resource provides two reading passages in which learners distinguish sentences as fact or as opinion. Additionally,...

Middle schoolers construct models of alternative fuel molecules and record their molecular formulas. They participate in a lab activity in which they demonstrate the chemical reactions that take place. They balance chemical equations.

Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.