Watch an exciting chemical reaction between an acid and a base create a volcanic eruption! This classic experiment teaches about chemical reactions, gases, and pressure while creating an impressive ...

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

This lab includes a theoretical explanation of how buffers work and how they are made, including a derivation of the Henderson-Hasselbalch equation. Students will use what they have learned to ...

Before smartphones, tablets, and digital labs, science class for Baby Boomers meant getting hands-on with experiments that ...

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 ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

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 ...

BLOOMINGTON, Ind. — A classic experiment proving amino acids are created when inorganic molecules are exposed to electricity isn’t the whole story, it turns out. The 1953 Miller-Urey Synthesis had two ...

In the 1950s, biochemist Stanley Miller performed a series of experiments to demonstrate that organic compounds could be created under conditions mimicking the primordial Earth. Some unused samples ...

Acids are part of lots of chemical reactions. All chemicals have different properties, one of them is whether it is acidic or basic. Acids are part of lots of important chemical reactions, everything ...