Download possible questions - Merrillville Community School

SHOCK
VALUE
2012 Science Olympiad
Coaches Clinic
Indiana University Northwest
James D. Wozniewski, presenter
1
DESCRIPTION
A TEAM OF TWO (2) STUDENTS (GRADES 6-9)
WILL COMPETE IN ACTIVITIES THAT
INVOLVE BASIC UNDERSTANDING OF
ELECTRICITY, MAGNETISM, AND SIMPLE
ELECTRICAL DEVICES.
2
TERMS
BATTERY
CURRENT FLOW
ELECTRON FLOW
AND DIAGRAMS
SCHEMATICS
3
PARTICIPANTS
ARE ALLOWED NOTES AND/OR CALCULATORS.
NOTES WILL BE SECURED IN A 3 HOLE BINDER
CALCULATORS WILL NOT HAVE ANY PROBES
OR SENSORS ATTACHED TO THEM
4
EVENT SUPERVISORS PROVIDE
ANY NEEDED MEASUREMENT
EQUIPMENT
5
THE COMPETITION
50% HANDS ON
50% THEORETICAL
SUPERVISORS TO PRESENT DATA
MEASUREMENT EQUIPMENT OR
PROVIDE A DEMONSTRATION WITH
DATA IN TABULAR OR GRAPHIC
FORMAT
6
SUPERVISOR MAY PROVIDE MATHEMATICAL
RELATIONS, BUT STUDENT ARE EXPECTED TO
NOTE THE FOLLOWING:
BASIC ELECTRICAL DC CIRCUIT THEORY
CONSISTING OF
CONCEPTS OF VOLTAGE LEVELS
CURRENT FLOW AND DIRECTION
ELECTRICAL PATHWAYS
VOLTS, AMPERES, OHMS, SCHEMATICS
OHM’S LAW
7
BASIC ELECTRICAL DEVICE CONCEPTS
BATTERY POLARITY
PARALLEL VS SERIES CIRCUITS
RESISTOR
LIGHT BULB AND MOTOR
DRY VS WET CELLS
8
BASIC ELECTRICAL CIRCUIT
CONSTRUCTION AND ANALYSIS
SWITCHES
POWER SOURCE
VOLTMETER MEASUREMENTS
LIGHT BULB/MOTOR CONNECTIONS
KITCHEN BUILT BATTERIES
9
BASIC MAGNETISM CONCEPTS
NORTH AND SOUTH POLES
EARTH’S MAGNETIC FIELD
ELECTROMAGNET PRINCIPLES
MAGNETIC VS NONMAGNETIC MATERIALS
MAGNET SHAPES AND TYPES
10
BASIC MAGNETIC APPLICATIONS
USE OF COMPASS TO DETERMINE
POLES OF A MAGNET
OPERATION OF AN
ELECTROMAGNET
USE OF MAGNETS IN MOTORS
11
TOPICS THAT MUST NOT BE
INCLUDED
1. SEMICONDUCTORS
2. AC CIRCUIT THEORY AND DEVICES
3. CAPACITORS
4. INDUCTORS
12
13
EXAMPLES OF STATIONS
SUPERVISOR PROVIDES THE FOLLOWING
COMPONENTS:
•
WIRES
•
BATTERIES
•
LIGHT BULBS
•
RESISTORS
PARTICIPANTS ARRANGE AND WIRE
COMPONENTS IN SUCH A MANNER TO
PRODUCE THE BRIGHTEST BURNING BULB
14
EXAMPLES OF QUESTIONS
PARTICIPANTS WILL DRAW THE CIRCUIT DIAGRAM
(SCHEMATIC) OF THE PREVIOUS EXERCISE
LABELS WILL INCLUDE THE FOLLOWING;
1. RESISTANCE
2. VOLTAGE & POLARITY
3. CURRENT FLOW
4. ELECTRON FLOW
PARTICIPANTS WILL PROVIDE A WRITTEN DESCRIPTION
AS TO WHY THIS IS THE OPTIMAL COMPONENT
CONFIGURATION.
15
SCORING
POINTS WILL BE AWARDED FOR
CORRECT ANSWERS AND/OR PROPER
TECHNIQUE
TIES WILL BE BROKEN USING A
DESIGNATED QUESTION OR TASK. THE
TIE BREAKER WILL BE DESIGNATED
ON THE ANSWER FORM
16
BLOCK DIAGRAM
D
C
X1
A
X4
X7
X2
X3
X5
X6
X8
B
X9
X10
17
POSSIBLE QUESTIONS
X1
VALUE
i.
X2
100
OHM
100
OHM
X3
X4
X5
100
OHM
300
OHM
OPEN
X6
200
OHM
X7
500
OHM
X8
OPEN
X9
100
OHM
X10
12
VDC
REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT DIRECTION (SCHEMATIC) IS THE
CURRENT FLOW INDICATED BETWEEN
POINTS C & D IF THE POSITIVE BATTERY
POINT IS LOCATED TO THE LEFT?
C TOWARDS D OR D TOWARDS C
18
POSSIBLE QUESTIONS
X1
VALUE
100
OHM
X2
100
OHM
X3
X4
X5
100
OHM
300
OHM
OPEN
X6
200
OHM
X7
500
OHM
X8
OPEN
X9
X10
100
OHM
ZERO
ii. REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT IS THE RESISTANCE MEASURED AT
POINTS A & B?
19
POSSIBLE QUESTIONS
X1
VALUE
100
OHM
X2
0
OHM
X3
X4
0
OHM
0
OHM
X5
300
OHM
X6
0
OHM
X7
0
OHM
X8
0
OHM
X9
100
OHM
X10
ZERO
ii. REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT IS THE RESISTANCE MEASURED AT
POINTS A & B?
20
POSSIBLE QUESTIONS
X1
VALUE
100
OHM
X2
0
OHM
X3
X4
0
OHM
0
OHM
X5
300
OHM
X6
0
OHM
X7
0
OHM
X8
0
OHM
X9
100
OHM
X10
24VDC
RIGHT
+
iii. REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT IS THE VOLTAGE MEASURED AT POINTS
A & B?
21
POSSIBLE QUESTIONS
X1
VALUE
100
OHM
X2
0
OHM
X3
X4
0
OHM
0
OHM
X5
300
OHM
X6
0
OHM
X7
0
OHM
X8
0
OHM
X9
X10
100
OHM
24 VDC
RIGHT
+
iii. REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT IS THE VOLTAGE MEASURED AT POINTS
C & D?
22
POSSIBLE QUESTIONS
VALUE
X1
X2
X3
X4
0
OHM
100
OHM
0
OHM
0
OHM
X5
300
OHM
X6
0
OHM
X7
0
OHM
X8
0
OHM
X9
X10
100
OHM
24 VDC
RIGHT
+
iii. REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT IS THE VOLTAGE MEASURED AT POINTS
C & D?
23
POSSIBLE QUESTIONS
VALUE
X1
X2
X3
X4
0
OHM
100
OHM
0
OHM
0
OHM
X5
300
OHM
X6
0
OHM
X7
0
OHM
X8
0
OHM
X9
X10
100
OHM
24 VDC
RIGHT
+
iii. REFER TO THE BLOCK DIAGRAM AND THE
ABOVE TABLE:
WHAT IS THE CURRENT MEASURED AT POINTS
C & D?
24
POSSIBLE QUESTIONS
iv. COMPLETE THE FOLLOWING TABLE:
MAGNETIC
NON MAGNETIC
STEEL
IRON
COPPER
ZINC
ALUMINUM
COTTON
WOOL
POLYETHYLENE
NICKEL
GOLD
25
v. IDENTIFY THE POLES A & B IN THE
FOLLOWING DIAGRAM AND CIRCLE THE
CORRECT ANSWERS:
A
BAR MAGNET
B
N
A = NORTH POLE
A = SOUTH POLE
B= NORTH POLE
COMPASS
B= SOUTH POLE
26
PLEASE HELP with my grand daughter's
science fair project! She needs parents,
teachers, and students to take her online
quiz. PLEASE take the online quiz at
https://www.surveymonkey.com/s/L77RJKX
and ask everyone you know to take it, too?
27