Teaching science
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Teaching science
teaching science for all using theory
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Root type and soil phosphate determine the taxonomic landscape of colonizing fungi and the transcriptome of field-grown maize roots

Root type and soil phosphate determine the taxonomic landscape of colonizing fungi and the transcriptome of field-grown maize roots | Teaching science | Scoop.it
Different root types of plants are colonized by a myriad of soil microorganisms, including fungi, which influence plant health and performance. The distinct functional and metabolic characteristics of these root types may influence root type-inhabiting fungal communities. We performed internal transcribed spacer (ITS) DNA profiling to determine the composition of fungal communities in field-grown axial and lateral roots of maize (Zea mays) and in response to two different soil phosphate (P) regimes. In parallel, these root types were subjected to transcriptome profiling by RNA sequencing (RNA-Seq). We demonstrated that fungal communities were influenced by soil P levels in a manner specific to root types. Moreover, maize transcriptome sequencing revealed root type-specific shifts in cell wall metabolism and defense gene expression in response to high P. Furthermore, lateral roots specifically accumulated defense-related transcripts at high P levels. This observation was correlated with a shift in fungal community composition, including a reduction in colonization by arbuscular mycorrhizal fungi, as observed in ITS sequence data and microscopic evaluation of root colonization. Our findings suggest soil nutrient-dependent changes in functional niches within root systems and provide new insights into the interaction of individual root types with soil microbiota.

Via Francis Martin
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New Models of Open and Distance Learning ~ Stephen Downes

New Models of Open and Distance Learning ~ Stephen Downes | Teaching science | Scoop.it
Online learning, new media, connectivism, MOOCs, personal learning environments, new literacy, and more from Stephen Downes

Via Ana Cristina Pratas
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A Level Chemistry Pack - Android

A Level Chemistry Pack - Android | Teaching science | Scoop.it
Download A Level Chemistry Pack for Android (0 downloads) - Advanced Level Chemistry made easy and fun, as it is displayed on a pack of cards, with each card teaching a fact or...
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CHF Legacy Content | Chemical Heritage Foundation

CHF Legacy Content | Chemical Heritage Foundation | Teaching science | Scoop.it

Below is an index of CHF resources that have been part of our site during the past decade. We are working to integrate much of this content into our redesigned site. If you do not find the pages you need among those linked below, please contact Gigi Naglak, gnaglak@chemheritage.org.

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Reaction Rates

Reaction Rates | Teaching science | Scoop.it
We will assume an understanding of the postulates of the Kinetic Molecular Theory and of the energetics of chemical reactions.

This contains some interesting examples.

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The Chemistry Faculty

The Chemistry Faculty | Teaching science | Scoop.it
The Chemistry Faculty is a new, free educational resource for secondary schools and especially those A-level students thinking about applying to University.
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Introducing Chemical Kinetics - Rate Equations

Excellent overview, with embedded questions.

Good revision at the end of the topic.

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Boltzmann graphs

Nice graphs of energies and speeds at different temperatures, and of speeds at 298K for different gases.

Plus a detailed tutorial on the Maxwell-Boltzmann distribution. (It's a big file - be patient while it downloads.)

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Absolute Enthalpies of Hydration of Gaseous Ions

Absolute Enthalpies of Hydration of Gaseous Ions...

WiredChemist might be an excellent data source.

It is certainly good for hydration enthalpies!

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English Raven: Moodle Tutorials from English Raven

English Raven: Moodle Tutorials from English Raven | Teaching science | Scoop.it
Jason Renshaw's Weblog...

I seem to be putting together quite a lot of these Moodle tutorials, so it's about time I gathered them in one place in something approaching a logical order. Some of the tutorial entries below feature clusters of two or three screencasts to show stages in a process or different options that link more or less naturally.

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Wolfram Demonstrations Project

Wolfram Demonstrations Project | Teaching science | Scoop.it
Explore thousands of free applications across science, mathematics, engineering, technology, business, art, finance, social sciences, and more.

This Demonstration shows an interactive plot of Maxwell's law for the molecular speed
distribution of an ideal gas (1852).  Download the CDF Player (free) and you can interact with it properly.

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The Teacher's Guide To Badges In Education - Edudemic

The Teacher's Guide To Badges In Education - Edudemic | Teaching science | Scoop.it
How do you motivate students who don't care about grades? You take a turn with badges in education and see how different results can come about.

Via Patty Ball
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An Interesting Digital Taxonomy for Teachers

An Interesting Digital Taxonomy for Teachers | Teaching science | Scoop.it
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265 Free Documentaries Online

265 Free Documentaries Online | Teaching science | Scoop.it
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Watch over 200 free documentaries online. The documentaries cover everything from music and cinema, to literature, religion, politics and physics. They're thought-provoking, eye-opening, and enlightening. For more great films, please visit our complete collection, .

Via Dr. Susan Bainbridge
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Downloads Molecular Modelling for Beginners ebook - Apolloneiayaa's blog

Downloads Molecular Modelling for Beginners ebook - Apolloneiayaa's blog | Teaching science | Scoop.it
Molecular Modelling for Beginners book download Alan Hinchliffe Download Molecular Modelling for Beginners Molecular modelling for beginners. Molecular Modelling for Beginners eBook by Alan Hinchliffe - eBook.
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A-Z Online books from Philip Allan

A-Z Online books from Philip Allan | Teaching science | Scoop.it

Begin by searching for terms and their definitions in the Search Terms area on the left.

Use the menu on the left to view revision advice, examiner’s terms and advice on how to achieve an A*.

Generate and print lists of key terms to aid with your revision by using the drop-down menus in the Exam board key terms area on the bottom right.

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Oxidation Numbers

This is a great video on oxidation and reduction. It shows trends in oxidation numbers across the periodic table.

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IUPAC Gold Book

IUPAC Gold Book | Teaching science | Scoop.it

IUPAC Compendium of Chemical Terminology - the Gold Book

Welcome to the interactive version of IUPAC Compendium of Chemical Terminology, informally known as the Gold Book. On these pages you will find a browsable, interactive version of this publication.

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Freesources for science education

Freesources for science education | Teaching science | Scoop.it
The portal to all freesources curated by Sapling Learning...

Seems to have links to a very wide range of resources for A level Chemistry.

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Chemistry Freeware

Chemistry Freeware | Teaching science | Scoop.it

Reviews and links to freeware chemistry programs available for download at other sites around the internet. All of the programs are ones that ScienceGeek has used, or currently uses.

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Ginna Winstead's curator insight, September 9, 2013 8:52 PM

Awesome! Everyone loves free technology for the classroom.

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Category: Chemistry - videolectures.net

Category: Chemistry - videolectures.net | Teaching science | Scoop.it

Harry Kroto, lots about bonding (see Elizabeth Vogel Taylor) - well worth a browse.

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50 Digital Sources Of Free STEM Education

50 Digital Sources Of Free STEM Education | Teaching science | Scoop.it
50 Digital Sources Of Free STEM Education
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kidzplusplus's curator insight, March 13, 2014 7:53 AM
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