Learn how friction causes a material to heat up and melt. Rub two objects together and they heat up. When one reaches the melting temperature, particles break free as the material melts away. Primary aims of the labDescribe a model for friction a molecular level.
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Please note that the Go-Lab Authoring Platform Graasp is no longer maintained. This means that it is not possible to create and publish new Go-Lab Inquiry Learning Spaces using the labs listed on this page. However, you can still access the labs and use them directly on the providers' websites with help of the preview links, which you will find on the dedicated lab pages. If you are interested in creating and using Inquiry Learning Spaces in your classroom, please visit the new Authoring Platform Graasp.org
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Structure Of Matter
Solids, Liquids And G...
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This is a simulation of Brownian motion (named for Robert Brown, but explained in some detail by Albert Einstein). Brownian motion is the apparently random motion of something like a dust particle in the air, driven by collisions with air molecules.
Heat, cool and compress atoms and molecules and watch as they change between solid, liquid and gas phases.Sample learning goals:
This lab allows students to watch different types of molecules form a solid, liquid, or gas.
This lab helps to better understand the following phenomena:Interaction PotentialAtomic BondingVan der Waals Force
In this simulation, you can look at the difference between a constant temperature (isothermal) process and an adiabatic process. The paths look somewhat similar on the P-V diagram, but you should notice clear differences.
This simulation shows a bucket full of water. The bucket has a hole in its right side - you can use the slider to change the location of the hole. Where do you think the hole should be placed so that the water shoots out farthest horizontally from the base of the bucket?
Why does compressing a gas often increase the temperature, while allowing the volume to expand often leads to cooling? This simulation demonstrates the process, looking at a single atom in a cylinder.
In this lab, you can observe Diffusion-limited aggregation. DLA is a process in which particles of matter come together (aggregate) while they randomly move (diffuse) through a medium that provides some sort of resistive (limiting) force.