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 ...

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 ...

New research shows that when water comes into contact with an electrode surface all its molecules do not respond in the same way. This can dramatically affect how well various substances can dissolve ...

Introduction Have you ever added a spoon of sugar to your tea and wondered why it disappeared? Where did it go? The sugar did not actually disappear—it changed from its solid form into a dissolved ...

Dead fish are a source of food for bacteria, which then extract oxygen from the river. AAP A million fish have died in the Murray Darling basin, as oxygen levels plummet due to major algal blooms.