Instructional Video3:46
Curated Video

EASILY know if a Molecule is POLAR or NONPOLAR in Chemistry

9th - Higher Ed
Being able to determine if a molecule is polar or nonpolar is very important in chemistry as it allows you to then discuss intermolecular forces present in molecules which helps to predict various physical and chemical properties. In...
Instructional Video11:25
Science Buddies

Paper Chromatography Experiments and Explanations

K - 5th
What food dyes are in your candy? Is black ink really black? What gives fall leaves their color? These are all questions that you can investigate using paper chromatography – a technique that can separate mixtures into their individual...