1. Welcome back!

2. Contact info
Office B102
(there’s a link to this site from the CRHS website’s teachers’ page)

3. Schedule EST 8 periods Room B107
*B104 first when we have back to back classes.

4. How you’re graded
60% Theoretical Tests, quizzes, exams.
40% Practical: Labs, assignments, etc.
Term 1: 20%
Term 2: 20%
Term 3: 40%

5. ST Ministry Exam in June 2019
How you’re graded
60% Theoretical Tests, quizzes, exams.
40% Practical: Labs, assignments, etc.
Term 1: 20%
Term 2: 20%
Term 3: 40%
ST Ministry Exam in June 2019

6. What’s the difference between ST and EST?

7. What you’ll need…

8. What you’ll Definitely need…

9. A t o m I c

10. Matter is discontinuous and indivisible!
Democritus, 2500 years ago

11. Matter is continuous. It’s made of earth, wind,
It’s made of 4 “elements”: earth, wind, fire & water
A magic knife could cut it forever because the particles are divisible. par !
Atomic History
Aristotle, 2400 years ago

12. Atomic History
Who is right??
Democritus