The characteristics of substances and how they react
Chemist
What was Wilhelm Roentgen famous for?
for his discovery of X-rays
Practical work: Do the experiment
Unflammable towel
Name the planets in our Solar System
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
What was the first mobile phone?
Motorola Dina TAC 8000x
Who invented wind power?
James Blyth
who studies planets , the universe space
Astronomer
What is the invention of Karl Benz?
Automobile
Who first invented paper?
Cai Lun
Who is the father of WWW?
Tim Berners-Lee
Do the experiment № 2
Science