## Guide to the Gas Laws

A common topic in Chemistry classes is the behavior of gases under different conditions. Use this Guide to the Gas Laws to help you understand the differences between: Boyle's Law Gay-Lussec's Law Charless' Law Combined [...]

## Make Sense of Significant Figures

Many math and science teachers require students to use the correct significant figures when making calculations, taking measurements, and reporting data. In order to have accurate results, the significant figures must be correct. Remember, your [...]

## Cellular Respiration

Advanced biology and chemistry students must understand the intricate processes that underlie cellular respiration. Use this diagram to help you understand Glycolysis, Krebs Cycle (Citric Acid Cycle), and the Electron Transport Chain. The tables include [...]

## Heating and Cooling Curves

Chemistry and Physics classes often require students to understand the step-by-step processes that occur when a substance is heated or cooled. Use this summary on heating and cooling curves to learn when: melting, boiling/evaporation, sublimation, [...]

## Graphing Trig Functions

A required task in many Algebra II and Trig courses is to graph trig functions. Use this guide to help graph essential components of trig functions, such as amplitude, period, and shifts. Use this guide to help you graph [...]

## Graphing Polynomials

Algebra II and Calculus students are often asked to graph complex polynomials. In doing so, they are required to solve for the domain, range, vertical and horizontal asymptotes, the x- and y-intercepts, and holes. This pdf [...]

## HSPT: Overview and Free Dowloadable Printable PDF Practice Tests

Most high-performing, selective high schools require candidates to complete the ISEE, SSAT, HSPT, or a Selective Enrollment Exam. To understand the difference between these assessments consult "The Real Deal with High School Placement Exams." Basic [...]