Students will be able to plan and carry out an investigation to compare the solubility of different substances, and develop and explain a particle-level model to describe the process of dissolving.

View the video below to see what you and your students will do in this lesson. Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as ...

PA Groundhogs and the Center for Forensic Science Research & Education monitor for novel and emerging substances by testing mail-in street drug samples.

A new lab opened up on Wednesday to expand Raleigh's ability to test its water. It marks a change decades in the making.

New research revealed the remarkable chemical diversity of substances exuded by coral reefs and demonstrated that thousands of different chemicals derived from tropical corals and seaweeds are ...

Here's how lava reacts to four different environmental factors. More from Science Adding relatively minor factors like crystals, water, ice, and metal can drastically affect how lava moves ...