Skills in technology

+2 votes
1 lesson
In 4-6 by Magnus Willner Guru (5.6k)  
Decision tables is a great way to handle pros and cons for hard decisions:
+1 vote
2 lessons
In 4-6 by Magnus Willner Guru (5.6k)  
Here are some project ideas: https://www.edutopia.org/blog/10-ready-borrow-project-ideas-suzie-boss
+1 vote
2 lessons
In 4-6 by Magnus Willner Guru (5.6k)  

It's hard to believe, but everything in the world is in motion, all the time. Even things that look perfectly still are packed with atoms that are vibrating with energy. Understanding how motion works was one of the great milestones of science and it's credited to the brilliant English physicist Sir Isaac Newton. Here is  great introduction:

https://www.explainthatstuff.com/motion.html

+2 votes
3 lessons
In 4-6 by Magnus Willner Guru (5.6k)  

What makes bridges strong?

An informative video on an easy level

+1 vote
3 lessons
In 4-6 by Magnus Willner Guru (5.6k)  

How does sound, light work with electrical components:

5:40 min you can see the light-dependent resistor ( Photoresistor ) and how it is used in electronic components

+3 votes
1 lesson
In 7-9 by Magnus Willner Guru (5.6k)  
If you wanna learn this but don't have the fantastic Arduino yet, check out how to work with the Arduino in a simulator (Thinkercad):
0 votes
1 lesson
In 10-12 by Magnus Willner Guru (5.6k)  

Read about variables here.

Here you can practice writing python code online and see the result. 
Write python code and test it online

fruits = ["apple""banana""cherry"]
for x in fruits:
  print(x)
  if x == "banana":
    break

Reed more

i = 1
while i < 6:
  print(i)
  i += 1

0 votes
1 lesson
In 10-12 by Magnus Willner Guru (5.6k)  
JavaScript Comments
Single line comments// Comment here
Multi line comments/* Comment here */
CSS Comments
Single line,Multi line/* Comment here */
HTML Comments
Single line,Multi line<!– Comment here –>
Python Comments
Single line,Multi line# Comment here
C# Comments
Single line comments// for single line comments
Multi line comments/* for multi line comments */
XML tags comments/// XML tags displayed in a code comment

+1 vote
1 lesson
In 10-12 by Magnus Willner Guru (5.6k)  

Download the zip from: https://github.com/dwmkerr/spaceinvaders. Click Code, Download. Unzip it on your harddrive.
Get login-information to a ftp-server from your school and upload the files there, using e.g. Filezilla.
In a browser, enter the [url to the ftp-server]/spaceinvader/index.html
Read file js/spaceinvaders.js and see how input from keyboard is handled and control the starship in the coordinate system of the screen.
Take a backup copy of the file.
Comment out some things and edit some small things. Save, upload and see your own first changes to your new unique games.
When you are happy, celebrate and send the url to your friends!
Share images and screenshots in the comments below.

0 votes
1 lesson
In 10-12 by Magnus Willner Guru (5.6k)  
x += 3 means that the value of x is increased with 3. So if x was 4 previously, then it is 4+3, i.e 7 now. It is a shorter form than writing x = x+3 Many coding languages have = is used to set a value to a variable. But == is used for a comparison, e.g. in if(x == 3){ do something }
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