What is CABS?

This site will help high school students and teachers find original, independent science research topics and questions that can be done without a professional lab...these can be done in a school lab or even in one's basement! The project ideas and research questions being developed and presented here have been vetted and could lead to true discoveries, and not just finding already known results. See our Welcome message. These are the types of projects that could be done and submitted to high school contests such as the Regeneron Science Talent Search, Junior Science and Humanities Symposium, or the Regeneron International Science and Engineering Fair, and be competitive. If you have an idea to share, or a question about one of the project ideas, contact us at vondracekm@eths202.org.

Pages (on the right side of the screen) have lists of ideas for different types of science research projects, and clicking on one of those ideas will take you to posts with details and all sorts of information about that type of project. Get more information about why there is a need for CABS!

Sunday, February 23, 2020

Two hydraulic jumps on an incline

One way professors run their research programs, and as they go from year to year and have new graduate students joining their team while older ones graduate and leave the team, is to have extension on earlier projects and studies. Good research projects are those that have interesting questions studied, but when answers are found there are even more new questions developed because of the study.

Hence, something like hydraulic jump continuously provides new, original research options. For example, one option is to have multiple streams of water forming multiple jumps, that can interfere with each other. Another option is to study jumps on inclined surfaces. But what about combining those studies into one? This is an option a student recently has done, as a preliminary project. Check out the video for some pointers about how ANYONE can do this at a school or at home, and how there are so many more questions that can come from this preliminary one: from the fits of these data, can someone take existing theoretical math models for single jumps and modify it, at least as an empirical formula, to make a math model for interfering jumps? For jumps on an angle, where a component of gravity enters the model? And then for the combination of the two? What about interference patterns one can see in the video for this project? All of those flow details are not yet studied and documented! Numerous more projects can be developed just from this one study. Be creative, explore, ask questions, and the build an experiment to look into your questions - this is science research at its finest!

Check out Ulo Freitas's video for how he did a preliminary study of interfering hydraulic jumps on an incline.

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