Learners comprehend that hot water rises up through cold water but cold water does not rixe in hot water. They comprehend that water at temperatures above 4oC decreases in density with increases in temperature. Students answer lab...

In this calendar cube problem, students use cubes to spell months and digits of the year.  They use five cubes to display 366 days correctly.  This one-page learning exercise contains 1 problem.  The answer is found at the...

Middle schoolers study advertising techniques and the effects of smoking on health.

In this rocks worksheet, students review how sediments are layered over time and how the relative ages of rocks are determined. This worksheet has 1 matching and 11 multiple choice questions.

For this task, students are presented with a graph and asked to identify the functions that could be represented by it and explain their thinking. The task addresses knowledge related to interpreting forms of functions derived by...

This problem is about the changing height of a diver en route to the water. It gives students experience translating questions about a real-world context into mathematical questions about a quadratic function and then answering those...

In this task, students learn about exponential decay by examining the amount of Carbon-14 left in a preserved plant with the passage of time after the plant has died. This provides a simple introduction to Carbon-14 dating but the actual...