Inv 1: Water Observations | ScienceScience.com

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Water and Climate: Inv 1: Water Observations

Part 1: Drops of Water

Colorful Liquid in Space

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Colorful Liquid in Space (1:13 min)

Relaxing Video of astronauts on the International Space Station dissolving an effervescent tablet in a floating ball of water

Moving Water in Space

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Moving Water in Space (1:29 min)

Water in space behaves… differently. Surface tension and capillary flow can be harnessed to move fluids in more efficient ways.

Water and Air in Space

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Science off the Sphere: Astro Puffs (5:19 min)

NASA Astronaut Don Pettit experiments with the physics of water in the weightless environment aboard the International Space Station.

Part 2: Water on a Slope

Water Striders Make Terrible Lifeguards

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Terrible Lifeguards (3:33 min)

Don't be fooled by water striders. They're actually searching for prey for whom a babbling brook quickly becomes an inescapable death trap.

What is Surface Tension?

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What is Surface Tension? (3:33 min)

How do water striders walk on water? It has to do with the elastic property of the water surface, a phenomenon called surface tension.

BBC Earth Science

Surface Tension Explained

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Surface Tension Explained (4:35 min)

What is surface tension? How are some insects able to walk on water? Why do droplets take on a spherical shape?

AK Water Features

Jesus Christ Lizard

Jesus Christ Lizard (1:25 min)

Meet a lizard that can walk, er, run on water. Basilisk Lizard

National Geographic

Wringing out Water in Space

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Wringing out Water on the ISS (3:17 min)

Astronaut Chris Hadfield performed a simple science experiment designed by grade 10 High School students.
Canadian Space Agency

Part 3: Soaking Sponges

Why do sponges absorb water so quickly?

How sponges absorb water (5:36 min)

Uncover the hidden science behind sponge absorbency: how something so soft and simple performs such a precise scientific function.

Simple History of Things

Part 4: Water in Nature

What are waterproof materials?

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What are waterproof materials? (2:05 min)

Observe whether water beads up and rolls off or soaks into the material when a few drops are sprinkled on the surface.

Learn with Skillsets Connect

Runoff and Collection

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Water Runoff and Collection (2:58 min)

Explores how water moves down hill due to gravity, as well as explains how runoff and collection is the final stage of the water cycle.

LaFountaine of Knowledge

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