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+7 votes
2 lessons
In 4-6 by Nelli Numminen Guru (7.9k)  

Greek history in 18 minutes in a effective and fun way. Marathons, democracy, the alphabet, Olympics, Gods, Trojan, Homer. 
Hint: Go fullscreen. Afterwards, click Quiz and explore more resources. 

+9 votes
1 lesson
In 4-6 by Petar Mares Guru (6.6k)  

What is light and colours? Light is made up of energy and travels in a straight line in 299 792 km per second. Travelling at the speed of light, you could go around Earth 7.5 times in a second.

+7 votes
3 lessons
In 7-9 by Tanya van den Berg Guru (7.1k)  

Goods are any items that satisfy human needs and wants. They are material items that you can purchase. Anything that you can find in a grocery store, farmer's market, shopping mall, home improvement shop, or any other store is a good. These might include: fruit; vegetables; cell phones; train tickets; coffee from a coffee shop; etc. 

How is trade patterns changing, and why? Globalisation is one of the main accelerators of change globally. Check out this video on globalisation and how it is changing the way of production and trade patterns: 

+7 votes
2 lessons
In 7-9 by Juhani Katajamäki Guru (7k)  

Quite often in life, we know some variables, but we must figure out an unknown. For example, we may want to save money for a moped, but to know how long it is going to take, we must be able to calculate it according to our weekly allowance, price of the moped and perhaps other things we are going to end up buying with the money.

Linear equation - A practical example

How long would it take for you to come up with the money if your weekly allowance was 10€, the price of the moped 1550€ and you would buy sweets with 2€ every week? What kind of calculations do you need to make to get the answer? Equations are a way of writing expressions with unknown variables that can be figured out using math. Let’s learn the theory:

+8 votes
2 lessons
In 7-9 by Juhani Katajamäki Guru (7k)  

How to calculate to get the probability of getting 11 with two dice

+6 votes
3 lessons
In 7-9 by Makaela Anderson Doctor (8.2k)  
The English language was introduced to the Americas by British colonisation, beginning in the late 16th and early 17th centuries. Differences between the two include pronunciation, grammar, vocabulary (lexis), spelling, punctuation, idioms, and formatting of dates and numbers.
+8 votes
1 lesson
In 7-9 by Tanya van den Berg Guru (7.1k)  

Earth has many different climate zones. The atmospheric circulation system creates Earth's climate zones.
We classify the climates according to the maximum and minimum temperatures and the temperature range. We also take into consideration the total and seasonal distribution of precipitation. 
Check out the different climate zones here:

+8 votes
1 lesson
In 7-9 by James Lent Rockstar (4.7k)  

Let's start by defining the process of music production by separating it into six basic stages: Songwriting. Arranging. Tracking. Editing. Mixing. Mastering. Get a keyboard and music program and you will have so much fun.

Hint: Can you airplay the video to TV? It is nice when you get used to it. 

+3 votes
3 lessons
In 4-6 by James Lent Rockstar (4.7k)  

Here is a great video showing you music around the world!

Hint: Checkmark a skill when you know it. Try it now to see your progress in the side menu.

+6 votes
2 lessons
In 7-9 by James Lent Rockstar (4.7k)  
Start to find the C, if your melody start on that you can skip all the black keys on the piano. Did you know most melodies consist of notes that is 1 or 2 steps up or down from the previous, so it is a great help when trying to play a melody. So if you can hum a song slowly and listen if it is one note up or down, and 1 or 2 steps, then you can start take out songs by ear.

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