What makes bridges strong?

An informative video on an easy level

The transport systems in USA

Types of Energy & how to Save Energy:

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

A video about some different phases in a project:

Welcome to the exciting world of LEGO Mindstorms programming! This guide will help you dive into creating your own robots and making them come to life with simple programming techniques. 

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

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.