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Copy of open-book-prezi-template

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by

Tiffany Travis

on 13 June 2014

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Transcript of Copy of open-book-prezi-template

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Background Information
Prezi is a cloud-based presentation service that uses zooming to transition between slides and images.

It was founded in 2009 by Péter Árvai, Szabolcs Somlai-Fischer and Péter Halácsy of Hungary as an alternative to PowerPoint and other slide-based presentation software.

The name Prezi comes from the Hungarian short form for presentation.

Prezi is available in a free version that runs online as well as a software version that has a subscription fee.
Pros
The most basic version of Prezi is free to use, required that you make all of your presentations public on the Prezi site.

Transitions between slides are fluid and dynamic.

The path through your presentation can be non-linear.

Presentations can include multimedia (videos, sound, images, voiceover, and pdfs).

You can import slides from PowerPoint.

You can print Prezi slideshows (each slide gets its own page).

The interface is easy and intuitive.

Since the free version is entirely online, there is no need to download and install software.

Cons
You must have an internet connection to edit or show your presentation (for offline editing you need to download the software).

Some users claim that the zooming interface causes nausea or dizziness.

The interface is different enough from PowerPoint that it may take time to learn.

Design options (such as font and color) are limited.
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Many teachers prefer Prezi to other presentation devices because it is a more engaging, interactive, creative, and visual way of presenting material to students.

Students who use Prezi for their assignments exercise a variety of 21st century skills such as problem-solving, decision-making, creativity, collaboration, and technological literacy.
What can Prezi do for your classroom?
Tiffany Travis
Dan Jacobson
Paula Grillo
Andre Derrien
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Prezi in the science classroom
More interactive
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Will bring science
to life
Think science
can't be
fun...
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You can plan individual units...
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How
about
acids & bases?
Even in your home?
Did you know that acids and bases are all around us?
They're in your kitchen and bathroom...
What is an acid?


Bronsted-Lowry acid: proton donor
Arrhenius acid: increases the concentration of H+ atoms or H3O+ ions in water
HA H+ + A-

What is a base?
Bronsted-Lowry base: proton acceptor
Arrhenius base: increases the concentration of OH- ions in water
MOH  M+ + OH-

How Do We
Measure
Acidity?
pH = -log[H+]

pH >7: Basic
pH = 7: Neutral
pH <7: Acidic

Acid-Base Indicators
• Substances that produce different colors in acidic and basic solutions
• Common examples: Plant pigments like anthocyanin, litmus paper, phelophthalein
We're going to look at a very common
acid base indicator that you can create at home:
Cabbage Juice
How does cabbage juice work as an acid base indicator?
Let's find out how it works...
Inquiry
What questions do you have about acid base indicators and the video you just saw?
What else would you like to test or investigate?
On the front bench are a bunch of materials to get your mind thinking (beets, blueberries, household chemicals, etc.). Design your own beginning question and experiment. Have it approved by me. Tomorrow we will run the experiment and discuss your results.
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HW: Research how acids and bases affect your life on a daily basis.
The End
Thanks for Watching!
Cabbage Juice Indicator pH Scale
Now you can go home, make your own cabbage juice indicator, and test pretty much anything in your house to see if it's an acid or base!
Why Prezi?
Science is all around us
Full transcript