1. Constant Velocity Motion
Unit 2
Constant Velocity Motion

2. Bellwork
Fill in the table by writing down the power (i.e. 10^4, 10^-7, etc.) and the decimal (i.e or ) for each metric prefix
PREFIX
POWER
DECIMAL
KILO
CENTI
MILLI

3. Activity: Square Scale
Draw a box on your page
Centi = 10^-2 = 0.01
Milli = 10^-3 = 0.001
Kilo =10^3 = 1000

4. How many…
In a ?
Answer
Meters
Kilometer
Centimeters
Meter
Millimeters
Milliseconds
Centisecond
Milligrams
Kilogram
Kilometers
Grams
Milligram
PREFIX
POWER
DECIMAL
KILO
10^3
1,000
CENTI
10^-2
0.01
MILLI
10^-3
0.001

5. Number
Convert… To
Answer 1
304 meters
kilometers 2
6,592 centimeters
meters 3
956 milliseconds
seconds 4
0.346 meters
millimeters 5
24 kilometers
centimeters 6
823 centimeters 7
56 grams
milligram 8
49.3 seconds
milliseconds 9
0.035 kilometers 10
9.23 grams
kilograms
PREFIX
POWER
DECIMAL
KILO
10^3
1,000
CENTI
10^-2
0.01
MILLI
10^-3
0.001

6. Measuring/Limit of Accuracy
What is the measurement below?

7. Measuring/limit of accuracy
With a partner, Measure for me:
Measure
Answer 1
Answer 2
Answer 3
The length of a #2 pencil
The length of a notecard
The width of a notecard
The thickness of the table
The length of a playing card
The width of a playing card

8. Terms Position: Distance: Time (clock measurement): Elapsed Time:
Scalar:
Vector:

9. Terms Position: x , a specific point away from an origin Distance:
Time (clock measurement):
Elapsed Time:
Scalar:
Vector:

10. Terms Position: x , a specific point away from an origin
Distance: (a.k.a. path length, displacement) ∆x, the length between two positions
Time (clock measurement):
Elapsed Time:
Scalar:
Vector:

11. Terms Position: x , a specific point away from an origin
Distance: (a.k.a. path length, displacement) ∆x, the length between two positions
Time (clock measurement): t, a specific moment in time from a start time
Elapsed Time:
Scalar:
Vector:

12. Terms Position: x , a specific point away from an origin
Distance: (a.k.a. path length, displacement) ∆x, the length between two positions
Time (clock measurement): t, a specific moment in time from a start time
Elapsed Time: ∆t, the amount of time between two time measurements
Scalar:
Vector:

13. Terms Position: x , a specific point away from an origin
Distance: (a.k.a. path length, displacement) ∆x, the length between two positions
Time (clock measurement): t, a specific moment in time from a start time
Elapsed Time: ∆t, the amount of time between two time measurements
Scalar: a measurement, quantity
Vector:

14. Terms Position: x , a specific point away from an origin
Distance: (a.k.a. path length, displacement) ∆x, the length between two positions
Time (clock measurement): t, a specific moment in time from a start time
Elapsed Time: ∆t, the amount of time between two time measurements
Scalar: a measurement, quantity
Vector:

15. Terms Position: x , a specific point away from an origin
Distance: (a.k.a. path length, displacement) ∆x, the length between two positions
Time (clock measurement): t, a specific moment in time from a start time
Elapsed Time: ∆t, the amount of time between two time measurements
Scalar: a measurement, quantity
Vector: a value with magnitude and direction

16. Ratio
What is a ratio?

17. Ratio What is a ratio? Examples?
The rate at which one value changes with respect to another
Examples?
Miles/hour
GDP per Capita

18. Lab: Physics Buggy
What do you notice? What observations can you make?

19. Lab: Physics Buggy
What can you measure?

20. Lab: Physics Buggy
What can you control? What can you change in the experiment?

21. Objectives
I can…
Convert between metric prefixes such as centi, milli, and kilo
Measure an object using the highest accuracy available
Explain the difference between:
a position and a distance
A time and elapsed time
Scalar and a vector