UNIT 10 MACHINES

SIMPLE MACHINES VIDEO 

The following is a simple web page about machines. Click on it and find out simple and complex machines.

MACHINES: Simple & Complex

12 Strange but Fascinating Machines

Robots: special & very complex machines.

ROBOTS

TOP 10 AMAZING ROBOTS

SEVEN MOST ADVANCED ROBOTS

UNIT 9- MATTER & ENERGY

Watch the video about PLASMA, The fourth state of matter:

PLASMA

Video about periodic table: elements and compounds:

PERIODIC TABLE. ELEMENTS & COMPOUNDS