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Considering Media Affordances When Designing STEM Hands-on Activities

by 198usanews_v1nkmf
July 15, 2021
in USA UNIVERSITIES
6 min read
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Considering Media Affordances When Designing STEM Hands-on Activities
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It’s well-known that hands-on actions are an inseparable a part of the character of science. Experiments enable learners to know and interact in a strategy of developing information by doing science.  Ideally, college students work with actual gear, and there’s little doubt that experiments in an actual, moist laboratory are the most effective.  However there could also be some doubts. These days, digital science labs and on-line simulations have turn out to be an more and more viable a part of educating and studying science. These media can present distinctive energetic studying alternatives for college kids, visualization of scientific ideas, and growth of fundamental scientific literacy.

I consider we are able to create significant actions with know-how that provides worth to face-to-face educating, on-line studying, or any mixture of those two. Tony Bates argues that know-how is just one factor of media, and it’s actually necessary to consider affordances of the media for instructional functions when designing actions. The next offers concepts on how one can design hands-on actions for profitable science exploration, preserving these three traits of media in thoughts (Bates, 20xx):

  • Broadcast (one-way) or communicative (two-way) media
  • Synchronous or asynchronous applied sciences, together with reside or recorded media
  • Single or wealthy media

Implementation

When designing a hands-on science lab, we are able to consider it in three components: pre-lab exercise, experiment, and post-lab exercise. I want to illustrate this by sharing an exercise I designed for an introductory physics course known as, “Ice Musical Devices.”

Throughout the pre-lab section, learners are launched to the lab and ideas that can be used or discovered throughout the hands-on exercise. For engagement functions a video is nice. It’s a wealthy medium that mixes visible and audio messages. I exploit this inspirational and academic video about Tim Linhart and his dream come true—Ice Music. In simply 4 minutes, Nationwide Geographic tells a narrative in regards to the Arctic spirit, discoveries and challenges, and physics and design the place we are able to expertise magical ice music, too. This pre-lab stage could also be finished synchronously or asynchronously. Moreover, reside discussions are a good way to encourage college students, help a neighborhood of learners, and supply a chance to level out the principle concepts associated to the exercise forward. A recording of the reside occasion might be a good suggestion, too. This fashion college students who missed class, or any college students for that matter, can watch it once more if needed. If there is no such thing as a time throughout synchronous classes, do that pre-lab section asynchronously. This may be finished utilizing a collaborative medium comparable to dialogue boards or utilizing a broadcast medium comparable to your Studying Administration System to put up the fabric and directions.  

I like to make use of broadcasting to be sure that all college students obtain the identical directions and prerequisite information. For this function, making a lab report template works properly. That is text-medium, not so wealthy, however acceptable on this case as a result of it focuses college students’ consideration on the directions. When you’d like so as to add richness, photographs comparable to diagrams of processes or idea maps are a good suggestion. When introducing theoretical ideas for the issue at hand, instructors might strategically use textual content. Once more, this might not be as wealthy of medium in comparison with video, however it works properly for offering college students with fundamental data, definitions, and spelling of scientific phrases.  

For the experiment half, chances are you’ll select to make use of an actual experiment, or a mix of a moist lab and on-line simulation. On-line simulations are a great way to do hands-on actions when there is no such thing as a gear out there. I like PhET interactive simulations. PhET interactive simulations for science and arithmetic is an Open Academic Useful resource that makes use of inclusive design approaches to design accessible STEM training. Learners can change parameters and observe the outcomes. For my specific exercise, I used a simulation on the states of matter and adjustments. This experiment might be designed as a guided experiment with direct directions, or it may be a free exploration the place the simulation information the outcomes—that is an instance of wealthy media.

From a learner’s perspective, wealthy media might be overwhelming as a result of it might present loads of data in a brief time period.  When designing actions, we’d like to consider ideas comparable to cognitive overload and Vygotsky’ Zone of Proximal Growth (ZPD) (Bates, 2019). If college students are offered with data at too advanced of stage or too rapidly for them to correctly perceive, cognitive overload might happen. ZPD is the distinction between what learners can do with out assist and what they will do with assist. So, to design significant actions we have to know our college students and put together them for hands-on actions in any modality. The advantages of utilizing a web based interactive simulation as a wealthy medium can encourage achievable studying targets in science training that might in any other case be tough to realize with a easy medium comparable to a textbook. It could be a good suggestion to make use of on-line simulations as a prelab exercise to cut back cognitive load. This can assist college students prepare for the actual lab and assist them conduct experiments extra thoughtfully. 

Relying in your wants and capacities for the experiment half, chances are you’ll use an actual experiment in face-to-face lessons, do-it-at-home science experiments, or a video of pre-recorded science experiments. An interactive video with pauses, questions, and small duties provides richness to the medium and can assist higher meet studying targets. Interactive movies could also be created with H5P for creating interactive HTML5 content material.  

The post-lab exercise is a extremely necessary a part of your complete course of. This is a chance for learners to share their inquiries with their friends and the trainer. Additionally it is a chance to make clear what was unclear and apply information to the actual world. This half might be finished synchronously as an entire class dialogue or asynchronously by means of on-line dialogue boards. I wish to ask college students to narrate what they discovered from doing this exercise to actual life. What media can we use for this process? We might ask college students to jot down their solutions within the lab report or to discover a video or an article on the web. You possibly can add as a lot richness as is suitable in your context.

Constructing connections with different matters within the course is efficacious, too. I ask my college students to establish different science ideas associated to this exercise. Though the exercise is principally about states of matter, we are able to additionally discuss additionally about music, creativity, or we are able to relate the exercise to concepts an architect would think about when designing a live performance corridor appropriate for ice music. I ask college students to discover on-line and discover out what different supplies are used for the creation of musical devices—college students are amazed by the range! This exploration might be finished synchronously or asynchronously. One good thing about doing this asynchronously is that each scholar has a chance to contribute, and learners can see what their friends have discovered and focus on their findings. I wish to help peer-to-peer interactions as a lot as doable.

Expertise-enabled educating and studying, when applied successfully, has the ability to have a optimistic affect on educating and studying however can have a unfavorable affect when not applied appropriately.


Elena Chudaeva has been with George Brown Faculty, Toronto, for greater than 10 years. Chudaeva has been creating and educating know-how enhanced face-to-face, blended, and on-line programs. Her space of experience is math, statistics and physics. For previous 5 years, she has been utilizing each science simulations out there as Open Academic Sources (PhET, for instance) and science digital labs from paid distributors (Past Labz) in educating normal training science programs. Chudaeva is serious about learning how science labs and simulations affect scholar studying, methods to design science labs actions successfully for on-line and distant programs, and methods to help college students in utilizing science hands-on actions. She has been actively concerned in Common Design for Studying initiative at her faculty, sharing finest practices and supporting different college of their journey by means of UDL.

References:

Bates, A.W. (2019). Understanding know-how in training. In Educating in a digital age. 2nd version. (chapter 6) https://opentextbc.ca/teachinginadigitalage/

PhET Interactive Simulations: https://phet.colorado.edu/

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