weak1 grade 12 introduction for physics and science

introduction for physics and free fall and the rules of the class

1. Physics Grede12

2. Objectives: By the end of the lesson, the students will be able to: Identify The meaning of physics, Recognize The importance of physics

3. PHYSICS What is physics ? -It is the branch of science that studies the explanation of the natural phenomena.

4. Ice breaker Free fall

5. Check understanding What is the meaning of free fall ? Which body falls firstly the bowling ball or feather ? And why?

6. Key-terms of the Lesson: Chapter one Measurement, Scalars, Vectors. 1- Exponent. 2- Graphing. 3- Trigonometry 4- Scalars, Vectors.

7. Measurements 1- Exponents: Metric system and (SI) units Scientific notation Prefixes (milli, micro, nano, kilo, mega, giga,…)

8. SI base units

9. Prefixes used with SI units -

10. Which of the following is the correct scientific notation for  ? A)  B)  C)  D)  What is    written in standard form? A)  B)  C)  D)  Which number is greater? A)  B)  C) They are equal D) Not enough information  

11. How would you write   in scientific notation? A)  B)  C)  D)  Why is scientific notation especially important in physics? A) It makes numbers look more impressive B) It makes calculations with very large or small numbers easier C) It is required by law D) It is not important The number    in standard form is _____________. In scientific notation,    means the decimal point moves _____________ places to the left .  

12. The prefix that represents one million is _____________. To convert    kilometers to meters, you multiply by _____________. The prefix "milli-" means _____________ of a unit. There are _____________ centimeters in a meter. The prefix for one billionth is _____________. Which prefix means one hundredth _____________. How would you convert    kilometers to centimeters ? Show your steps.