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MERLOT II


        

Material Detail


Interactive Chemical Reactions PowerPoint

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Location:
Material Type: Tutorial
Technical Format: HTML/Text
Date Added to MERLOT: June 15, 2011
Date Modified in MERLOT: October 05, 2011
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Author:
 Send email to hagger27@msu.edu

Submitter : Jessica Haggerty

Description:

This lesson is an interactive PowerPoint that teaches students about synthesis, decomposition, and combustion reactions.  By the end of the PowerPoint, students take a quiz that requires them to be able to recognize the three types of reactions given above and to be able to predict the products of a reaction when only given the... More

Keywords:
decomposition, chemical reactions, combustion, synthesis, chemistry

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Primary Audience: High School
Mobile Compatibility: Not specified at this time
Technical Requirements: Computer must support 2007 PowerPoint
Language: English
Cost Involved: no Source Code Available: unsure
Accessiblity Information Available: unsure Copyright: unsure
Creative Commons: unsure

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Discussion for Interactive Chemical Reactions PowerPoint

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Avatar for Chris Hren
2 years ago

Chris Hren (Teacher (K-12))

First let me say that I think trying to address chemical reactions in this StAIR is a very admirable task due to the complicated nature of them and the difficulty addressing some of the questions students sometimes have. With that said, I think you did a very good job in doing just that. There is so much that goes into reactions and I believe you did a great job of trying to cover all of that information throughout the presentation. I liked that you reviewed formula writing and balancing along with the information presented about reactions. In addition, I think choosing only three types of chemical reactions for the StAIR was a good choice and one that made it something you could realistically do. I know that once you get into single and double displacement reactions the amount of things that must be dealt with increases dramatically and in truth I don’t believe those could be covered in something like this without spending an unbelievable amount of time designing it. So in short, I think this is just right.

However, there are a few things I would have changed to make the presentation flow a bit better. First, I thought there were too many animations throughout the presentation. I realize that this might be my own personal opinion but sometimes I just want to see the text and move on. I feel sometimes that people, myself included, feel the need to animate everything that shows up on a powerpoint slide when in truth sometimes that animation just slows the thing down. Another suggestion I have is the same thing I said for Tammie’s, which is to perhaps include some sort of audio track explaining the written text. I realize this adds an entirely new layer of work to the activity but I believe it might have helped for certain points with students who learn better audibly.

Overall though, I think it is a really great presentation!

Technical Remarks:

I only have two small technical aspects that I might take issue with. The first is that this PowerPoint ran really slowly on my computer throughout. I think that was due to the animations and PowerPoint being what it is. I know it was not my computer as it is quite powerful. I say this because I know most school computers do not have anywhere near the processing power of this thing and they might run the presentation even slower. They might have no problem though, it is just a thought. In addition, perhaps having the presentation begin automatically as soon as you open it would be a good idea. It would prevent the user from accidently clicking or doing something that messes it up before they begin the slideshow.

Time spent reviewing site: 40 Minutes

Avatar for Tammie Mirolli
2 years ago

Tammie Mirolli (Teacher (K-12))

First,  I think the topic is one students often struggle with.  Reactions, whether it's identifying the type of reaction or predicting products is one of the most difficult topics for students.

I like the various examples for students practice, and I think the quiz is an excellent way for students to check their understanding.  Have you thought about expanding this to include all the reaction types that you teach?  This would be a great way to introduce the topic and then another way for students to review with later.

All your fonts and colors are easy to read and very clear.  I didn't hear any sound.  Was this intentional?  I think some sounds, not too many, would help keep students engaged and interested in the tutorial.

I think having the objectives present is great.  This really helps students recognize what they will be learning and expected to know and do once they are finished.

Your visuals are colorful and are excellent ways for students to connect concepts to meaning.  I like how you used the dots to represent reactants and products.  Using colors that when combined create a new color is genius.  Students know when you mix blue and yellow, green is produced.  So that is an alternate way of helping them connect their prior knowledge to new concepts when building understanding.

Technical Remarks:

One remark, not sure if it would be technical or just a regular comment, but I think there maybe too many transiitions on the slides or the transitions may need to be sped up a bit.  I felt I was waiting a while for the information to come on the screen.  This many transitions may be a bit distracting.  But again that might be a personal preference.

Time spent reviewing site: 45 mins

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