Denne video handler om substantiver, også kendt som navneord.

Vidste du godt, at med over 2.000 videoer dækker Restudy næsten alle fag fra 4. klasse til og med gymnasiet?

eMathsMaster GCSE Student edition is free for all Brighton and Hove Albion youth players, courtesy of Premier League Education!

Dr. Baranwal will address four key points about the (1) range of issues facing the existing fleet of nuclear power plants; (2) barriers and opportunities for the deployment and construction of advanced reactors, including small modular reactor designs enabled by the DOE’s Advanced Reactor Demonstration Program; (3) challenges and opportunities in the critical fuel cycle infrastructure; and (4) challenges and opportunities for global competitiveness of U.S. nuclear technology.

Speaker bio

Dr. Rita Baranwal serves as the Assistant Secretary for the Office of Nuclear Energy in the U.S. Department of Energy. Prior to her current role, Dr. Baranwal directed the Gateway for Accelerated Innovation in Nuclear (GAIN) initiative at Idaho National Laboratory.

Dr. Baranwal is a Fellow of the American Nuclear Society. She has a bachelor’s degree from Massachusetts Institute of Technology in materials science and engineering and a master’s degree and Ph.D. in the same discipline from the University of Michigan.

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7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force "The Joy of Happy Learning" -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D & 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use.


Chain Reaction in Nuclear Fission: When slow neutrons are bombarded on uranium, each uranium nucleus is broken in to two almost equal parts and along with it enormous energy and two or three trash neutrons are emitted. If the conditions are favorable, these neutrons take part in the fission.This leads to a chain of nuclear fissions which continues till the whole of the Uranium is consumed. Thus the energy produced keep on multiplying.We have seen that about 200 MeV MeV- mega electron volts of energy is released due to fission of 1 Uranium nucleus. In this chain reaction, the number of nuclei undergoing fission increases very rapidly, hence the energy produced acquires an enormous amount very soon."The chain reaction is a series of nuclear fissions in which the neutrons produced in each fission cause additional fissions."This chain reaction liberate tremendous amount of energy within short interval of time. But sustaining a self--propagating chain reaction is not easy in practice, because the progressive chain reaction is inhibited due to the following reasons.A Ordinary uranium consists of three isotopes 92U238 92 Uranium 238, 92U236 92 Uranium 236 and 92U235 92 Uranium 235. The major part of ordinary uranium is the isotope 92U238 92 Uranium 238 the remaining are rare. Now, 92U238 92 Uranium 238 can be fissioned only with fast neutrons 1 MeV while 92U235 can be fissioned with slow as well as slow and fast neutrons. Neutrons having energy less than 1 MeV are absorbed by 92U238 through these low energy neutrons can take part is the fission of 92U235 but the probability of their absorption by U238 is much more. Thus the fresh neutrons released in the fission of ordinary uranium being absorbed by U238 are not able continue the chain reaction. This difficulty can be removed in the following two ways: The lighter isotope U235 can be separated from the ordinary uranium by diffusion method. The fission of U235 is now possible by neutrons of any energy high or low. So chain reaction continuous as shows in above.The second way is to slow down the neutrons by any method. So that their energy remains 0.03 eV This can be achieved with help of moderators, which reduce the speed of neutrons very rapidly. Graphite and heavy water are good moderators.The second difficulty in maintaining the chain reaction is that the fast neutrons released by the fission of U235 travel a distance of about 10 centimeter in the substance before they are slow down and fission other nuclei.Therefore, to continue the chain--reaction, the size of the fissionable substance should be bigger than a certain critical size.

Fun facts about elephants! This elephant learning video for kids is the classroom edition of our elephant video. The classroom edition videos feature the learning content without the kids' comments. Which elephant fact was your favorite?

00:00 What are elephants?
0:40 How big are elephants?
1:24 Where do elephants live?
2:22 What is a group of elephants called?
3:01 The trunk of an elephant
3:52 How elephants bathe
4:28 Final facts


💙 Homeschool Pop? Join our team and get tattoos here: http://homeschoolpop.com

😎 You are SO cool! Say hello below, we would love to hear from you!

Music credit:
"River Fire" and "Tech Live" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

Thanks for watching the classroom edition of our video on elephants for kids!


Thanks again and we hope to see you next video!!

Homeschool Pop Team

Mr. Andersen defines the terms energy, work and power. He also uses a simple example to calculate both work and power.

Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/peopl....e/CosmicD/sounds/725
Creative Commons Atribution License

The Periodic Table. The first 20 elements. All credit to ASAP SCIENCE!! Thanks alot. For full version
https://www.youtube.com/watch?v=VgVQKCcfwnU

#readinglessonforkids
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The frog is in the pond.
The fish lives in the sea.
The fat cat likes milk.

This mango is sweet.
This monkey likes bananas.
This goldfish is my pet.

That car is mine.
That bird likes to sing.
That white puppy is my pet.

We sat under the tree.
We will go to the park tomorrow.
We want to eat cake.

There are apples in the basket.
There are flowers in the vase.

This video explores techniques to improve math skills for K-12 students.

There are so many great math programs out there it can be nearly impossible to decide what will work best for your family... especially if you are shopping online. In this homeschool math curriculum comparison, I pull out the top ten math programs including: Teaching Textbooks vs. Math U See vs. A Beka vs. Singapore vs. Math Lessons for a Living Education vs. Life of Fred vs. JUMP vs. RightStart vs. Horizons vs. Strayer-Upton. I'll show you inside the books, talk about what kind of learning styles and homeschool styles each homeschool math curriculum will work best for and help you compare and identify which one will be a better fit.

LINKS:

Blog post (with pictures and comparison charts): http://homeschoolon.com/ultima....te-homeschool-math-c

Teaching Textbooks: http://homeschoolon.com/go/teaching-textbooks
RightStart: http://homeschoolon.com/go/right-start
Math U See: http://homeschoolon.com/go/math-u-see
Math Lessons for a Living Education: http://homeschoolon.com/go/mlfle
A Beka: http://homeschoolon.com/go/a-beka
JUMP: http://homeschoolon.com/go/JUMP
Life of Fred: http://homeschoolon.com/go/life-of-fred
Singapore: http://homeschoolon.com/go/singapore
Horizons: http://homeschoolon.com/go/horizons
Strayer-Upton: http://homeschoolon.com/go/strayer-upton
Saxon: http://homeschoolon.com/go/saxon
Moving Beyond the Page: http://homeschoolon.com/go/mbtp-6to8

WHAT WE USE:

We use Math Lessons for a Living Education (Charlotte Mason math totally fits my homeschool style and values) for nearly all of the kids. We have one son who is trying the online version of Teaching Textbooks and one daughter who is using RightStart math. So far it seems to be working well for everyone and we are looking forward to a great year of math!

What we are using for all our curriculum this year: http://homeschoolon.com/curriculum-reveal-2018/

"Give Me Half!" written by Stuart J. Murphy and illustrated by G. Brian Karas and is a wonderful introduction book when introducing fractions; specifically halves. The book is part of the MathStart series published by Harper Collins. It is a story about a brother and a sister who do not like to share with each other. In the end they learn that sharing half truly is the best way to make equal parts.

This is a good book to have in the classroom or home library for reading and re-reading. Kids will love the illustrations and use them as context clues to help them decipher words. As an Amazon Affiliate, should you decide to make a purchase, I might make a small commission at zero cost to you. Here is the link, thank you!

https://amzn.to/2HwC3wn

#fractions #math #readaloud

FREE TRIAL LINK:
https://learnmore.numberock.com/free-db

Thank you for watching our addition math facts song about adding doubles and learning to add with us!

Do you know the 9 times table? I am sure you know, here in this video I present you the easy ways to learn and memorize the 9 times table. This tricks will be really helpful to remember the 9 times table, so please share this video with your friends and family after you watch this video, thank you!

# 9timestabletrick #learntabletricks #mathtables

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Learn to multiply 1 through 10 with the multiplication table with this fun educational multiplication song . Brought to you by KLT!

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Video: Copyright 2015, 2016, 2017, 2018 KLT
Lyrics:
I am the Multiplication Table
Remember me because you are able
We’ll learn to multiply 1 through 10
Up to 100 because you can

Let’s start by learning how the Times Table works
Because learning to multiply is one of life's perks

You see that vertical line
It’s numbered 1 through 10
And that horizontal line is numbered the same again

All these numbers on the inside we will cover next
They’re the answers to the equations
You will see in a text

For example, if you look at
the number 2
And want to multiply it by 7
Here’s what you’ll do

Let’s use this 2 from the
vertical side
And multiply it with the 7 on the horizontal guide

Run a line from the 2 if you know
what I mean
And a line from the 7 down to see where they meet

Where the two lines collide will be the answer you seek
2 X 7 = 14
This equation is complete

You can also use the Horizontal number
2
And the Vertical 7 to achieve the same results it’s true

Now let’s try and multiply
5 X 5
Where the two lines meet the answer is 25

Another example is multiplying
9 X 6
The two lines meet at 54 where your eyes are transfixed

Here’s one more equation it’s
8 X 4
The answer is 32. After this chorus, there’s more

I am the Multiplication Table
Remember me because you are able
We’ll learn to multiply 1 through 10
Up to 100 because you can

When we start at the X
And count diagonally down
You’ll find the answer to each number multiplied by itself without a frown

You’ll see 1 X 1 = 1 and here are some more
Then you see 2 X 2 and it does equal 4

3 X 3 = 9 and 4 X 4 is 16
5 X 5 is 25 now you know what I mean

6 X 6 = 36 and 7 X 7 is 49
8 X 8 = 64 I know you’re feeling fine
9 X 9 = 81. Yeah, that’s what I said.
And 10 X 10 = 100 you can see here in red
You can move across or down and
And multiply each number on its own
Let’s try a couple out
Then you can continue at home
Multiplying by 1. Yeah,
it is so easy
You always end up with the same number
you multiplied by you see
For example, 1 X 1 = 1 and 2 X 1 is 2
And 3 X 1 = 3. Now you practice too
Let’s move to 2 and count straight across
2 4 6 8 10 Start over if you’re lost
12 14 16 18 and 20
Let’s try one more row. Start at number 3
3 6 9 12 15 18
21 24 27 and 30
Download your time's table sheet from KLT’s site
And practice multiplying till you get it right

#multiply #multiplication #educational #multiplicationsong #kids #multiplicationtable #KidsLearningTube

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Here is another basic counting song for young learners that engages both body and mind!

Your kids get to count from 1 to 10 three times (first slow, then a little faster) while following the little chick's dance steps. This song will provide a quick moment of exercise and relaxation for your kids (and you 😄).

Enjoy!


Don't forget to share this video!

The Singing Walrus creates fun teaching materials, such as kids songs, educational games, nursery rhymes, and kindergarten worksheets (e.g. handwriting worksheets) for parents and teachers. Come and join our community on Facebook, or subscribe to our Youtube Channel!

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**All illustration, animation, music, and voice work produced by The Singing Walrus

Counting by threes is a breeze with this fun song & video! Blast through space as you count all the way from three to sixty! The Counting by Threes song teaches skip counting by 3.

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If you are learning to count or teaching math and early years numeracy, the Counting by 3's song by Scratch Garden is the best way to get there!

Watch more Counting Videos from Scratch Garden: https://www.youtube.com/playli....st?list=PL_ym6QHjS1s

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