Instructional Video
Khan Academy

Khan Academy: Waves and Optics: Refraction in Water

9th - 10th
Discover waves and optics by learning about refraction in water. [4:25]
Instructional Video
Khan Academy

Khan Academy: Biology Foundations: Water as a Solvent

9th - 10th
Water as a solvent. Polar solutes. Hydrophilic and hydrophobic substances. [8:11]
Instructional Video
Khan Academy

Khan Academy: Evaporative Cooling

9th - 10th
Why does sweating cools you down? This video addresses evaporative cooling. [5:13]
Instructional Video
Next Vista for Learning

Next Vista for Learning: Cohesion

9th - 10th
A video investigating how water sticks together to form droplets, lakes, bays, and pool. Understand the property of cohesion which allows water to stick to each other by hydrogen bonds.[1:22]