Experimental Designs

# Team Name School Hypothesis (or design brief) and Tests Award
1 Muon

PRHS-5
Design

Muon Intensity increases with altitude in free air in the same proportion as it does with increasing ground elevation. Best Use of Electronics
2 HOBO

PRHS-4
Mech

Relative Humidity in the atmosphere increases while temperature decreases with increasing altitude. Best Error Analysis
3 WPN

PRHS-4
Mech

1 Terminal velocity of a falling object is proportional to the square root of its weight and to the inverse of its diameter.
2 Operate a ground station for monitoring surface conditions.

Most Unusual Idea
4 Magneto

PRHS-4
Mech

The Earth's magnetic field strength decreases with increasing altitude. Balloon Fest 2nd Place
5 SWAT

PRHS-4
Mech

Air pressure and temperature will decrease linearly with increasing altitude Accuracy Award
6 DGAF

PRHS-4
Mech

1 Air drag resistance will decrease linearly with altitude.
2 We can measure drag by measuring the current drawn by an electric motor turning a propeller in free air.

Balloon Fest Champion
7 Centuria PRHS-2
Intro
Design a device using a one-way valve to record lowest pressure and calculate max. altitude accurately. Best Project Plan
8 PacMan PRHS-2
Intro
Design a device using a one-way valve to record lowest pressure and calculate max. altitude accurately. Fastest Finish
9 Sparta PRHS-2
Intro
Rate of cooling decreases with altitude Best Use of Mechanics
10 Intensely Intensified Intensity PRHS-2
Intro
Temperature drops linearly with altitude Keep on Plugging
11 Air Waves PRHS-2
Intro
Design a device using shaving cream to record lowest pressure and calculate max. altitude accurately. Balloon Fest 3rd Place
12 HP PRHS-3
Intro
Temperature inversions are likely in this area and can be detected reliably by graphing temperature and rel. humidity vs altitude. Best Organization
13 Z3R0 PRHS-3
Intro
Design a device using a one-way valve to record lowest pressure and calculate max. altitude accurately. Most Comprehensive
14 The Unit PRHS-3
Intro
Design a device using a one-way valve to record lowest pressure and calculate max. altitude accurately. Team Spirit Award
15 AVP PRHS-3
Intro
Design a technique to graph the free-ascent path and measure the rate of rise from GPS data. Perseverance Award
16 Atmospheric Phenomenon PRHS-3
Intro
Temperature and rel. humidity decrease linearly with increasing altitude. Most Promising Award
17 The Core PRHS-6
Intro
Design a device using a one-way valve to record lowest pressure and calculate max. altitude accurately. Best Presentation Award
18 Blue Dinosaur PRHS-6
Intro

Temperature will decrease linearly with increasing altitude.
Design a camera & thermometer system to record temperature

Surprising Results
19 Project Plaga PRHS-6
Intro
The intensity of ultraviolet sunlight (UVA & UVB) reflected by the ground is proportional to the Earth's insolation rate multiplied by the Sine of the Sun's altitude angle. Most Complex Project
20 No Namers PRHS-6
Intro
Design a device using a one-way valve to record lowest pressure and calculate max. altitude accurately. Most Cost Effective

Team Reports

# Team Name How Many School Description of Experiment Exp. Design

Exp.
Procedure

Event Log Report

Val.
report

Data Files PowerPoint Presentation
1 Muon
5+4

PRHS-5
Design

Aerial Detector of Muons Design Procedure Log Val Data PPT
2 HOBO 4+2

PRHS-4
Mech

Rel Humidity, Bar Alt, & line length Design Procedure Log Val Data PPT
3 WPN 4+1

PRHS-4
Mech

Falling speed vs alt & Ground Stn Design Procedure Log Val Data PPT
4 Magneto 4+3

PRHS-4
Mech

Magnetic field vs alt Design Procedure Log Val

Data-1
Data-2

PPT
5 SWAT 4+2

PRHS-4
Mech

Pressure and temp every 100 ft Design Procedure Log Val Data PPT
6 DGAF 4+2

PRHS-4
Mech

air drag vs alt using DC motor and prop Design Procedure Log Val Data PPT
7 Centuria 4 PRHS-2
Intro
One-way valve alt Design Procedure Log Val Data PPT
8 PacMan 3+2 PRHS-2
Intro
One-way valve, insulated Design Procedure Log Val Data PPT
9 Sparta 4+3 PRHS-2
Intro
Rate of change of state for water vs alt Design Procedure Log Val Data PPT
10 Intensely Intensified Intensity 4 PRHS-2
Intro
Temp vs alt w/camera Design Procedure Log Val Data PPT
11 Air Waves 4+1 PRHS-2
Intro
Shaving cream expan. vs alt Design Procedure Log Val Data PPT
12 HP 4+1 PRHS-3
Intro
Temp Inversion: Temp vs pressure Design Procedure Log Val Data PPT
13 Z3R0 5 PRHS-3
Intro
One-way valve, 200 ft intervals Design Procedure Log Val Data PPT
14 The Unit 5+2 PRHS-3
Intro
One-way valve, 100 ft intervals Design Procedure Log Val Data PPT
15 AVP 5+2 PRHS-3
Intro
Balloon Rise rate using GPS Design Procedure Log Val Data PPT
16 Atmospheric Phenomenon 4+7 PRHS-3
Intro
Rel Humidity and altitude Design Procedure Log Val Data PPT
17 The Core 4 PRHS-6
Intro
One-way valve Design Procedure Log Val Data PPT
18 Blue Dinosaur 5 PRHS-6
Intro
Pressure & temp vs alt with camera Design Procedure Log Val Data PPT
19 Project Plaga 4+2 PRHS-6
Intro
UVA & UVB: insolation rate Design Procedure Log Val Data-1
Data-2
PPT
20 No Namers 4+2 PRHS-6
Intro
One-way valve, 100ft intervals Design Procedure Log Val Data PPT
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