**Part 1: scale cobra . . . what units?**

**line (cm cobra part / cm model part)
mass (g cobra / g model)
power (hp cobra / (Kg model * {mass model}^2)
speed (Km/Hr cobra / Km/Hr model)
volume (cm^3 cobra / cm^3 model)
cost ($ cobra / $ model)**

3/4 = write out me 4 unit cancellation chains

4/4 = write out 8 cancellation chains

ex:

155 3/8" converted via google "155 3/8" = cm" = 395 cm

(395)(cm)(Cobra)(length) ÷ (21)(cm)(model)(length) =

18.8(Cobra/model)(model/Cobra) = (1)(model/Cobra) =

18.8 = model/Cobra = 18.8 model : Cobra

**Factory Five Mk3 Roadster 1966 AC Shelby Cobra 427 Super Snake Replica Overall Dimensions**

Factory Five Mk3 Roadster 1966 AC Shelby Cobra 427 Super Snake Replica Manual

ESS = Glencoe Earth & Space iScience L1 Maps pg.09-17

PerformanceComparisons+Reviews

FFRmk3AutoCraftShelbyCobra427SuperSnakeReplica

Measures of Central Tendency

a - b

mean = add everything, divide by # of samples

median = rank order the sample numbers by their values, pick the middle value (number of samples + 1) ÷ 2

mode = "most popular" number in sample set

range = largest value sample - lowest value sample

SigFig = Significant Figures

1) all nonzero numbers

2) zeros between sigfigs

3) all zeros to the right of the decimal

ZEROS ARE NOT SIGFIG WHEN ONLY SHOWING WHERE THE DECIMAL POINT BELONGS

ex: 0.0081 = 2 SigFig (8 & 1)

rounding = same as you are used to in math class . . .

0-4 = do not round up

5-9 = round up

**scale cobra . . . what units?**

**line? mass? power? speed? volume? cost?**

**(Scale Model Earth Assessment Resources)** **(COBRA:>!)** **Geologic & Cosmic Scales TimeLines**

**ESS = Glencoe Earth & Space iScience L1 Maps pg.09-17**

**Psci = Glencoe Integrated iScience Position & Motion L1 pg8-15**

Part 2:

**Finally . . . design a series of experiments, keeping track (pun) of:**

**- Radar gun settings & readings
- track measurements / segment#, before & after any added features
- track construction details
- time trials
- object(s) name(s)
- units of measure
- speed calculations
- scale calculations**

**Compare youself or the full size AC Shelby Cobra by scales (HotWheels 1:64 vs full size 1:1) to the HotWheels speed, mass, force (F=mass x velocity squared), or any other complex dimension, such as cost / force, cost / speed . . .**

3/4 =

a)
compare your 1:1 scale object (car, person, ball) to HotWheels 1:1 - mass, speed, force . . .

b) do the same thing for HotWheels scale of 1/64

4/4 = do another pair of comparisons as described above

real car loop experiment - world record height -

XC

3) Polydimensional Scale introduction = Scale Tang down to 2 SF from an 8oz to 3oz formula, using metric mass and volume, and drink it:>

a) Tang formula on lable = 1/2 scoop= 24g / 8oz water - how many grams / oz (to 2 SF) =

b) These Dixie Cups are 3oz = 88.7mL according to the lable - how many grams / 88.7mL Dixie Cup?

c) CF? Set up cancelation of volume, and make sure (Tang g) ends up in the numerator.

b) drink it:> Toss the cup in the garbage.

done = p1+p2+p3+p5+p6