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- Other surfaces, like Teflon or plant leaves, exhibit the opposite behavior and are water-fearing or hydrophobic, and water will form a round droplet on their surfaces. The shapes of a droplet on a specific surface can actually tell you a lot about the characteristics of the material.Learn more:Other surfaces, like Teflon or plant leaves, exhibit the opposite behavior and are water-fearing or hydrophobic, and water will form a round droplet on their surfaces. The shapes of a droplet on a specific surface can actually tell you a lot about the characteristics of the material.www.sciencebuddies.org/stem-activities/dancing-w…
Drop water on the different materials and observe how the water looks and behaves. What do you notice? How do the water droplets behave? How is the reaction different with the different materials? One of these materials will allow you to separate a single drop into several drops and then reunite them by dragging the dropper.
teachingscience.us/water-droplets-on-different-surf…Gradually drip water on different surfaces and observe the shape of the drops. The surfaces can be divided according to whether or not the water wets them or sorted according to the estimated size of the contact angle, etc. Examples of droplets on some surfaces are shown in Figure 2.
physicsexperiments.eu/4302/water-droplets-on-vari…Water droplets placed on the four different quadrants of a hydrophobic surface. (a) Baseline surface (smooth Cu + HDFT), (b) Cu surface with micro-scale roughness + HDFT, (c) Cu surface with nano-scale roughness + HDFT, and (d) Cu surface with both micro-scale and nano-scale roughness + HDFT.
iopscience.iop.org/article/10.1088/1361-6404/aa9cbaYou can also try to put the droplets on a different spot of the heated glass surface, as some areas might work better than others. After rinsing your medicine dropper, take another droplet of concentrated food coloring (pick any color) and place it on the warm glass surface.
www.sciencebuddies.org/stem-activities/dancing-w… Water Droplets on Different Surfaces …
Drop water on the different materials and observe how the water looks and behaves. What do you notice? How do the water droplets behave? How is the reaction different with the …
Water droplets on various surfaces — Collection of …
Gradually drip water on different surfaces and observe the shape of the drops. The surfaces can be divided according to whether or not the water wets them or sorted according to the estimated size of the contact angle, etc. Examples of …
The physics of water droplets on surfaces: exploring the effects of ...
Feb 9, 2018 · Water droplets placed on the four different quadrants of a hydrophobic surface. (a) Baseline surface (smooth Cu + HDFT), (b) Cu surface with micro-scale roughness + HDFT, (c) …
- Author: K F Eid, M Panth, A D Sommers
- Estimated Reading Time: 11 mins
- Publish Year: 2018
Dancing Water Droplets | STEM Activity - Science Buddies
See more on sciencebuddies.orgDo you like watching raindrops on your window as they move and run down the glass? It is fascinating to observe how some of them just sit there by themselves, whereas others combine to build a larger drop. Have you ever wondered what makes them move and behave in different ways? Controlling and influencing wett…Effect of wettability on droplet impact: Spreading and splashing
Jun 1, 2021 · This study experimentally investigates the dynamic behaviors of water droplets over wide ranges of diameters and velocities (200 μm < D0 < 2600 μm, 50 < We < 3000) impacting …
- Author: Haixiang Zhang, Xiwen Zhang, Xian Yi, Feng He, Fenglei Niu, Pengfei Hao
- Publish Year: 2021
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The Characterization of Sliding/Pinning …
Nov 24, 2024 · The developed strategy makes it possible to distinguish sliding/pinning behaviors of water droplets along different surfaces as well as different adhesions between …
Spreading characteristics of water droplets impacting onto a …
In this study, an experimental setup was built to investigate the influences of surface movement on the asymmetric spreading behaviors of water droplets impacting onto a moving hydrophilic …
in this experiment, then, are (1) preparing and studying surfaces with different surface wettability and roughness; (2) determining the shape and contact angles of water droplets on these …
That’s the way the droplets adhere - MIT News
Feb 19, 2013 · Understanding exactly how droplets and bubbles stick to surfaces — everything from dew on blades of grass to the water droplets that form on condensing coils after steam drives a turbine in a power plant — is a “100-year …
Experimental and CFD simulation of interactions between water …
Aug 4, 2022 · For this reason, we studied the interactions between water droplets and different surface features to understand WDE. These surface features included flat smooth surfaces …
Dancing Droplets - Scientific American
Nov 5, 2015 · The answer seems easy: it depends on the liquid and surface. Different surfaces have different molecular structures, which result in different affinities for water or other liquids.
The physics of water drops and lift-off - Ars Technica
Apr 13, 2014 · Viscosity helps create a shape that lets liquid pop off the surface it strikes. The flow of fluids is one of the most complex, beautiful, and amazing things in physics. Slow motion …
Scientists Can Finally Explain Why Some Water Droplets Bounce …
Feb 26, 2020 · Drops can behave differently after the point of collision, some make a splash, some coat the surface cleanly, and some can even bounce like a beach ball. In the article, …
Water movement on surfaces makes more electric charge than …
Mar. 25, 2021 — Researchers have discovered that a novel surface they developed to harvest water from the air encourages tiny water droplets to move spontaneously into larger droplets. …
Different states of water droplets on two types of surfaces.
As shown in Figures 4 (a) and (b), water droplets of 10 mg on the same surface are in Cassie-Baxter state and mixed state (the middle contact area is in Wenzel state and the other part is in...
Evaporation characteristics of water droplets on heated surfaces …
Jan 1, 2025 · In this paper, an experimental test site was built to study the evaporation characteristics of water droplets on heating surfaces with various coatings and under different …
Why tiny water droplets zoom weirdly on some surfaces
Jul 1, 2019 · New research investigates why droplets there act strangely. When a thin layer of oil covers a special type of surface, condensed water droplets seemed to be randomly flying …
Water droplet physics: The drop that's good to the very end
Oct 18, 2017 · Two researchers, using laser-flash photography of microscopic droplet-particle collisions, have discovered that water droplets still have liquid tricks to reveal.
Motion and evaporation characteristics of water droplets on …
Oct 16, 2024 · The movement of water droplets on protective surfaces and evaporation are common phenomena during flight. Understanding water droplets' movement and evaporation …
The unfamiliar face of a most familiar substance: Extraordinary ...
Mar 19, 2025 · Get Instant Summarized Text (Gist) Interfacial water on oil droplets exhibits extraordinary activity, challenging the notion of hydrophobic surfaces as inert.
Dynamic Wetting Behaviors of Water Droplets on Surfaces with …
Aug 1, 2020 · Molecular dynamics simulations were carried out to investigate the static and dynamic wetting behaviors of water droplets on surfaces with single and dual structures for …
Water structure and electric fields at the interface of oil droplets
Mar 19, 2025 · The overall surface area of oil droplets is less than that of small solutes, despite being much larger than planar interfaces. Therefore, it requires an exceptionally high signal-to …
Dynamic behaviors of water droplet moving on surfaces with …
Sep 1, 2022 · Droplets continuously moving on hydrophilic surfaces exhibited different phenomena including the compact shape, the tail formation, the rivulet formation, and a tiny …
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