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Entrepreneurs

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Guy Raz dives into the stories behind some of the world's best known companies. How I Built This weaves a narrative journey about innovators, entrepreneurs and idealists-and the movements they built.

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Join a game of kahoot here. Kahoot! is a free game-based learning platform that makes it fun to learn – any subject, in any language, on any device, for all ages!

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English Language Online Tool

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Free English Language Online Tools - Learn, Teach or Research English

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English Language Tools for Learning, Teaching or Researh. Readability Tests. Vocabulary Builder. Explains Difficult Texts.

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Teaching Videos
https://www.youtube.com/user/crashcourse

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The Power of Motivation: Crash Course Psychology #17

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history lectures united states world study help teacher social studies

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The most important events in History explained by HipHughes, YouTube EDU Guru & TV Talking Head (History Channel/American Hero Network). Controls buttons appreciated! https://paypal.me/pools/campaign/112351254928726547 HipHughes History is a series of upbeat, personable and educational lectures designed for students and lifelong learners. Videos primarily focus on US History and Politics but span across World History and general interest.

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What caused the French Revolution? - Tom Mullaney

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Videos

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Welcome to the official guide to technology and learning by Edudemic! This part of Edudemic is meant to offer you, the teacher, some of the best and most popular resources available today. We've combed through hundreds of resources in order to narrow down our guides into something easy to read, easy to use, and easy to share.

Below are links to the guides we have made so far. They're always a work in progress so be sure to let us know if we missed something or if you have more resources you want us to call out in the guides. We're always looking for the best and most useful resources so don't be shy, share!
Just click on the title or image of each guide to view that particular resource. Enjoy! The Teacher's Guide To Twitter
Twitter has proven itself to be an indispensable tool for educators around the globe. Whatever skill level you may be, Twitter is downright fun and worth your time. So here's a useful guide that we curated from Edudemic's archives in an effort to put something together that was a bit easier to read than random blog posts. We hope you enjoy and will be regularly adding to this guide so feel free to leave your ideas down in the comments or by, what else, tweeting us @edudemic anytime!
The Teacher's Guide To Flipped Classrooms
We talk a lot about flipped classrooms on Edudemic. In fact, it's by far one of our most sought-after topic in terms of questions on social media, search queries, and more. So we thought it would be useful to organize all of our many resources into one easy-to-use guide. That's the teacher's guide to flipped classrooms. It's a curated list of all the most useful flipped classroom resources we've seen. We hope you find it interesting, useful, and want to lend your expertise to make it even better. Just leave a comment at the bottom of the page to share your flipped classroom resources with your fellow readers!
The Teacher's Guide To Copyright And Fair Use
Today, so much of our research happens online, and part of what makes the internet so wonderful is the ease at which it brings information into our lives. But when that information is so easily available to us, it is sometimes easy to forget that someone else produced that information, and they deserve credit. Plagiarism is as much an issue now as it ever has been. Teaching students about copyright is more than just letting them know that they should be doing their own work, and not copying off the web.
The Teacher's Guide To Google Glass
If you're as excited as Katie and me about Google Glass, this guide is for you. We like to take on the latest technology and see how it fits into education. If it doesn't, we typically don't write about it or will mention it in passing. But the potential for Google Glass in education is just too great. That's why we thought it would be useful to compile an early-stages 'Teacher's Guide to Google Glass.' Once the expensive pair of glasses actually makes it into the hands of a teacher, the typical lecture will become something totally different. In fact, much of the education process will be flipped as students will be able to view the world through the lens of a teacher (literally) and get a new perspective on learning.
The Teacher's Guide To Badges In Education
What encourages students to do well in school? Often, it comes down to grades. Many students will work harder in order to earn a higher grade. Colleges want to see good grades. Parents want to see good grades. Grades are good, right? Of course they are, but the grades should not be the only goal. Learning for the sake of it should be a goal, including what they learned, how long they remembered it, and how they applied it to new situations.

Unfortunately, some students are not motivated by grades. Yes, this includes your brightest kids. Some kids could get an A on any test you give them, so they do not see the need for homework. Why do an hour of work every night when they know they are going to get an A on the test? Now you have a student who gets Fs on all his homework and As on all his tests. It turns into a C average, and he doesn't care. How do you motivate him to do more or do better? The old-fashioned way - you give him a badge.
The Teacher's Guide To The Library Of Congress
We've discussed the benefits of the U.S. Library of Congress many times on Edudemic. Usually we focus on some particular parts of the vast amount of resources or instead offer a more overall picture of what it offers. This time around, we thought you might enjoy an actual guide (written for teachers and education in general) that's easy and a solid resource to refer back to as needed.

There's no denying what an incredible resource teachers have in the Library of Congress. As the largest library in the world, it's home to millions of books, recordings, photographs, and other materials, many of them original sources.
The Teacher's Guide To Keeping Students Safe Online
Most students are familiar with and active users of mobile technology. While it does facilitate sharing and knowledge exchange, it can be a dangerous tool if improperly used. By this I mean students using their smartphones (or dumbphones, for that matter) to share things they would never normally share. From inappropriate comments to sexting, it's a dangerous minefield.
The Teacher's Guide To Digital Scavenger Hunts
If you've got a smartphone or a tablet in your classroom, you're ready for the adventure to begin! By adventure I mean, of course, the world of active learning through digital scavenger hunts. In this hunt, students are tasked with finding a particular physical object, person, or place and have to use technology to track it down. Note: an 'online scavenger hunt' usually implies that you're hunting around online and not physically with classmates. For the purpose of this article, I'm focusing on the physical version I've dubbed 'digital scavenger hunts'.
The Teacher's Guide To Pinterest In The Classroom
Do you love to pin? Are you addicted to Pinterest? It's okay if you are. You're not alone. In fact, there are plenty of professors out there pinning right along with you. They're using it to share quotes, lectures, notes, research material, get student or peer critiques, and more. What follows below is one of the most useful infographics I've seen on Pinterest's role in education. And I've seen a lot. One of my favorite parts is toward the bottom where it lists out how exactly different universities are using Pinterest in the classroom (in the appropriately named 'In The Classroom' section).

More Guides Coming Soon!

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The Teacher's Guides To Technology And Learning

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Welcome to the official guide to technology and learning by Edudemic! This part of Edudemic is meant to offer you, the teacher, some of the best and most popular resources available today. We've combed through hundreds of resources in order to narrow down our guides into something easy to read, easy to use, and easy to share.

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Learn.Genetics [Internet]. Salt Lake City (UT): Genetic Science Learning Center; 2018 [cited 2021 Jan 8] Available from https://learn.genetics.utah.edu/

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Science Learn Hub NZ

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The Ethics in science planner is a planning template designed to help teachers plan for and teach ethical thinking in their science programmes. The ethical thinking may occur as part of a stand-alone unit, but embedding it within a wider topic of learning can support students' learning both in relation to the topic of study and the development of their ethical thinking skills.

Why teach ethics in science?

As science and technology advance, ethical issues are brought to the fore not only for scientists and technologists but also for the general public. Science and technology education reflects this shift, with the social aspects of science and technology reflected in the New Zealand Curriculum.

It is important to incorporate ethics teaching in science because science does not happen in isolation of its social context. Ethical discussions can also:

engage students in science learning

enhance students' understanding of science concepts

highlight the relevance of science learning for everyday living and citizenship

develop students' argumentation, critical thinking and decision-making skills

help students to become more ethically aware and discerning

increase scientific literacy and the ability of our students to contribute to society as responsible citizens.

The article Teaching ethics provides an overview with extensive ideas to support teaching ethics in science.

The Ethics in science planner

Using a subject-specific planning tool supports the development and articulation of a teacher's pedagogical content knowledge and can be particularly useful when teaching in a new area. This planner is specific to ethics in science.

The planning template is a one-page layout that is easy to view but includes the important components for teaching ethics in science. It is intended that teachers complete the planner digitally as they work through it. Some of the components have links to give teachers ideas to consider.

Download the Word files (see links below) for:

the Ethics in science planner template

an example illustrating how the planner was used for a level 3/4 unit on conservation of the takahē.

Activity idea

Useful link

References

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The Ethics in science planner is a planning template designed to help teachers plan for and teach ethical thinking in their science programmes. The ethical thinking may occur as part of a stand-alone unit, but embedding it within a wider topic of learning can support students' learning both in relation to the topic of study and the development of their ethical thinking skills.

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Podcasts:Science Friday is a source for news and entertaining stories about science.

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Most Recent Episode

Before New Horizons set sight on Pluto, the mission team endured a decade-long journey to get the probe off the ground. Plus, what are our canine best friends really thinking about?

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Most Recent Episode Before New Horizons set sight on Pluto, the mission team endured a decade-long journey to get the probe off the ground. Plus, what are our canine best friends really thinking about?

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News from Earth and Environment, Biology, Genetics, Space, Life & Evolution, etc.

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Skip to content

Environment

This interplay between plastics and metals could affect how each affects the environment - and suggests opportunities for controlling their risks.

Educators and Parents, Sign Up for The Cheat Sheet

Weekly updates to help you use Science News Explores in the learning environment

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Skip to content Environment This interplay between plastics and metals could affect how each affects the environment - and suggests opportunities for controlling their risks. Weekly updates to help you use Science News Explores in the learning environment Thank you for signing up! There was a problem signing you up.

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Education Technology and Mobile Learning

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Education Technology and Mobile Learning

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Educational Technology and Mobile Learning

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Educational Technology and Mobile Learning

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Free resource of educational web tools, 21st century skills, tips and tutorials on how teachers and students integrate technology into education

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Scientific and creative thinking of young scientists, aged 12 -20 write articles that are checked by scientists.

https://ysjournal.com/issue-19/

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One of the most popular ways to demonstrate this year's severe US winter appeared to be tossing out a glass of boiling water and watching it freeze instantly, in mid-air. Of course, the reason the fun experiment impressed viewers is because nobody expects boiling water to turn to ice that quickly. Turns out that contrary to intuitive thinking, it actually solidifies faster than cold water! Why? That's a mystery still waiting to be solved.

While this counterintuitive phenomenon has been observed for thousands of years, it was brought to the world's attention in 1963, by Tanzanian high school student, Erasto Mpemba.

It all began when the young boy was learning to make ice cream in cooking class. After dissolving the sugar in boiling milk, the students were instructed to allow the mixture to cool down, before putting it in the ice cream churner. Too impatient to wait, Mpemba put his ice cream mix in while it was still hot. To his and everyone's surprise, his treat was the first to freeze! His explanation appeared so unbelievable that even his teacher thought Mpemba must be mistaken.

Convinced that he was on to something, Mpemba told a visiting physics professor about his accidental experiment. Like his teacher, the professor was a little skeptical, but was willing to give the young boy the benefit of doubt and invited him to test the theory.

The two began by filling 70ml samples of water of varying temperatures in 100 ml beakers and placing them in the ice box of a normal refrigerator. What they noticed was that it took the longer for the water to freeze when the temperature was at 25°C (77°F) than, when it was at a much hotter, 90°C (194 °F). Since then, the phenomenon has been known as the Mpemba effect. However, while the two were able to demonstrate it, neither could find a scientific explanation for why it occurred. Over the years, researchers have come up with several theories.

The theory that most believe, is fairly straightforward. It is a known fact that hot water evaporates faster than cold. Hence, when boiling water is tossed into cold air, some of it turns into steam and dissipates, leaving behind less to turn to ice! Sounds plausible right? Turns out, Mpemba thought of this possibility and even tested it. Unfortunately, he found no loss of volume in the ice formed between waters frozen at different temperatures.

Another theory suggests that dissolved gases change the boiling water's freezing point causing it to solidify faster. However, that too was tested and refuted by Mpemba and the professor.

In 2012, Britain's Royal Society of Chemistry offered a £1,000 sterling pound prize to anyone who could come up with a satisfactory explanation of the Mpemba effect. From the 22,000 entries received, the judges were most impressed by the one submitted by Nikola Bregovic, a chemistry research assistant at the University of Zagreb in Croatia, who said that extensive testing had led him to conclude that the Mpemba effect was caused by convection currents in the hot water.

A more recent yet to be published scientific study conducted by Xi Zhang at the Nanyang Technological University in Singapore, attributes the phenomenon to the chemistry between the hydrogen and oxygen molecules that make up water. The researcher believes that as the temperature rises, it provides the molecules with a lot of pent up energy. When this water is tossed into a cold environment, the energy 'jumps' out similar to how a highly compressed spring would, when released. This results in the hot water cooling down much more rapidly than cold or lukewarm water, which do not contain as much energy.

While all these theories are plausible and explain the phenomenon under certain conditions, none seem to provide a satisfactory universal solution to this strange physical property that has confounded scientists since Aristotle observed it in 380 BCE.

Resources: Wired.com, medium.com

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The Unexplained Mystery Of Why Hot Water Freezes Faster Than Cold

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One of the most popular ways to demonstrate this year's severe US winter appeared to be tossing out a glass of boiling water and watching it freeze instantly, in mid-air. Of course, the reason the fun experiment impressed viewers is because nobody expects boiling water to turn to ice that quickly.

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Biology, Chemistry, Earth Science, Math, Physics

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By converting our sims to HTML5, we make them seamlessly available across platforms and devices. Whether you have laptops, iPads, chromebooks, or BYOD, your favorite PhET sims are always right at your fingertips.Become part of our mission today, and transform the learning experiences of students everywhere!

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Study guide, flashcards, quizzes and more

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Flashcards beyond the lemonade stand | Quizlet

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Quizlet is a lightning fast way to learn vocabulary.

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Vocabulary about the Treaty of Versailles