Identify the independent (manipulated) and dependent (responding) variables in a scientific investigation. Draw conclusions about the relationship between two variables using quantitative data.

A team of chemists, biologists and planetary scientists from MIT, Nanoplanet Consulting, Harvard University and the University of Alberta has found via lab experimentation that conditions in Venus' ...

Some beverage products contain real fruit juice and some are made with artificial food dyes. Let’s do some chemistry experiments with a variety of beverages to see if they contain real fruit juices or ...

This lab includes a demonstration of the proper use of a burette system for titrations; including a detailed description, instructional video, and opportunity for students to collect data to ...

A well-established technique, acid-base titration is an analytical method used to determine the concentration of an unknown acid or base. In practice, it involves adding a solution of known strength ...

Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...