1. What do you think Physics is about?

2. The study of matter and energy and their interactions
Physics –
The study of matter and energy and their interactions
Kinematics:
One and Two-Dimensional Motion
Dynamics:
Forces, Rotation
Electricity:
Electrostatics, Circuits
Waves:
Wave Interactions,
Sound, Light

3. Math Skills Graphing Scientific Notation Unit Conversions
Solving Algebraic Equations
Vectors  Save this for later

4. Setting Up Graphs Title: Y Axis Variable vs. X axis Variable (unit)

5. A trendline must take all data points into account,
Trendline – a smooth best-fit curve that passes as close as possible to the data points.
A trendline must take all data points into account,
and does not have to touch the first or last data points.

6. (x2, y2) = (6s, 10m) (x2, y2) = (6, 10) (x1, y1) = (x1, y1) = (2s, 4m)
(2, 4) x

7. Finding y intercept: Plug in a point - (x2, y2) = (6, 10) (x1, y1) =
(2, 4) x

8. Meaning of y-intercept
When [x-variable] is 0, the [y-variable] is…
y=0.8x+3

9. Mathematical Relationships
Directly Proportional
Inversely Proportional
Exponentially Proportional
As x increases, y increases
As x increases, y increases at an increasing rate
As x increases, y decreases

10. Scientific Notation EX: 1.5 x 107
method of writing numbers as a decimal number between 1 and 10 multiplied by an integer power of 10. __ . __ x 10 *
EX: 1.5 x 107
This number must fit: 1 ≤ x < 10

11. From Scientific Notation to General
Positive Exponent:
Move decimal 3 places to the right

12. From Scientific Notation to General
Negative Exponent
Move decimal 3 places to the left

13. From General to Scientific Notation
Ex:  EX: 
3.45 x 106
3.45 x 10-3
Use EE Button on Calculator!
So 3.45 x 106 is typed 3.45 EE 6

14. Metric Units of Measurement
Variable
Unit
Length
Mass
Time
Speed
meter (m)
kilogram (kg)
second (s)
Meter per second (m/s)

15. Which metric prefixes are almost never used?
Ladder Method 1 2 3
KILO 1000 Units
HECTO 100 Units
DEKA 10 Units
DECI 0.1 Unit
Meters Liters Grams
CENTI 0.01 Unit
MILLI Unit
Which metric prefixes are almost never used?

16. centi (c) kilo (k) milli (m) Ex: millimeters = mm
Magnitude: 10-3 or or
centi (c)
Ex: centimeters = cm
Magnitude: 10-2 or 0.01 or
kilo (k)
Ex: kilometers = km
Magnitude: 103 or 1000

17. Two main ways to do Conversions
Dimensional Analysis
Move the Decimal

18. Conversions by Decimal Movement
30 cm = ____ m
5 kg = _____ g
km = _____ cm

19. Conversions by Dimensional Analysis
Just like Stoichiometry

20. How many minutes are in a year? (Convert 1 year into minutes)

21. In the UK, the speed limits are 50 km/hour on single lane roads
In the UK, the speed limits are 50 km/hour on single lane roads. Convert this speed to miles per hour.

22. What did the person do right? What did the person do wrong?
45 km = _____________ m

23. What did the person do right? What did the person do wrong?
300 g= _____________ kg

24. How can you check your answer when you do a conversion?
When converting to smaller units, the number should get bigger. When converting to larger units, the number should get smaller.

25. Solving Algebraic Equations
Solving for a variable in the denominator:
Ex: Solve for C

26. Goal: Solve for C