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SHOCK

VALUE

2012 Science OlympiadCoaches ClinicIndiana University NorthwestJames D. Wozniewski, presenter

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A TEAM OF TWO (2) STUDENTS (GRADES 6-9)

WILL COMPETE IN ACTIVITIES THAT

INVOLVE BASIC UNDERSTANDING OF

ELECTRICITY, MAGNETISM, AND SIMPLE

ELECTRICAL DEVICES.

DESCRIPTION

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BATTERY

CURRENT FLOW

ELECTRON FLOW

AND DIAGRAMS

SCHEMATICS

TERMS

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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

PARTICIPANTS

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EVENT SUPERVISORS PROVIDE

ANY NEEDED MEASUREMENT

EQUIPMENT

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THE COMPETITION

50% HANDS ON

50% THEORETICAL

SUPERVISORS TO PRESENT DATA

MEASUREMENT EQUIPMENT OR

PROVIDE A DEMONSTRATION WITH

DATA IN TABULAR OR GRAPHIC

FORMAT

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SUPERVISOR MAY PROVIDE MATHEMATICAL RELATIONS, BUT STUDENT ARE EXPECTED TO NOTE THE FOLLOWING:

BASIC ELECTRICAL DC CIRCUIT THEORY CONSISTING OF

CONCEPTS OF VOLTAGE LEVELSCURRENT FLOW AND DIRECTIONELECTRICAL PATHWAYSVOLTS, AMPERES, OHMS, SCHEMATICSOHM’S LAW

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BATTERY POLARITY

PARALLEL VS SERIES CIRCUITS

RESISTOR

LIGHT BULB AND MOTOR

DRY VS WET CELLS

BASIC ELECTRICAL DEVICE CONCEPTS

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BASIC ELECTRICAL CIRCUIT CONSTRUCTION AND ANALYSIS

SWITCHES

POWER SOURCE

VOLTMETER MEASUREMENTS

LIGHT BULB/MOTOR CONNECTIONS

KITCHEN BUILT BATTERIES

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BASIC MAGNETISM CONCEPTS

NORTH AND SOUTH POLES

EARTH’S MAGNETIC FIELD

ELECTROMAGNET PRINCIPLES

MAGNETIC VS NONMAGNETIC MATERIALS

MAGNET SHAPES AND TYPES

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BASIC MAGNETIC APPLICATIONS

USE OF COMPASS TO DETERMINE POLES OF A MAGNET

OPERATION OF AN ELECTROMAGNET

USE OF MAGNETS IN MOTORS

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TOPICS THAT MUST NOT BE INCLUDED

1. SEMICONDUCTORS

2. AC CIRCUIT THEORY AND DEVICES

3. CAPACITORS

4. INDUCTORS

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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

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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.

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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

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X1

X4

X7

X2

X5

X8

X3

X6

X9

BLOCK DIAGRAM

C

B

X10

A

D

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POSSIBLE QUESTIONS

X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 100 OHM

100 OHM

100 OHM

300 OHM

OPEN 200 OHM

500 OHM

OPEN 100 OHM

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VDC

i. 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

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X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 100 OHM

100 OHM

100 OHM

300 OHM

OPEN 200 OHM

500 OHM

OPEN 100 OHM

ZERO

ii. REFER TO THE BLOCK DIAGRAM AND THE ABOVE TABLE:

WHAT IS THE RESISTANCE MEASURED AT POINTS A & B?

POSSIBLE QUESTIONS

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X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 100 OHM

0

OHM

0

OHM

0

OHM

300

OHM

0

OHM

0

OHM

0

OHM

100 OHM

ZERO

ii. REFER TO THE BLOCK DIAGRAM AND THE ABOVE TABLE:

WHAT IS THE RESISTANCE MEASURED AT POINTS A & B?

POSSIBLE QUESTIONS

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X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 100 OHM

0

OHM

0

OHM

0

OHM

300

OHM

0

OHM

0

OHM

0

OHM

100 OHM

24VDC

RIGHT +

iii. REFER TO THE BLOCK DIAGRAM AND THE ABOVE TABLE:

WHAT IS THE VOLTAGE MEASURED AT POINTS A & B?

POSSIBLE QUESTIONS

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X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 100 OHM

0

OHM

0

OHM

0

OHM

300

OHM

0

OHM

0

OHM

0

OHM

100 OHM

24 VDC

RIGHT +

iii. REFER TO THE BLOCK DIAGRAM AND THE ABOVE TABLE:

WHAT IS THE VOLTAGE MEASURED AT POINTS C & D?

POSSIBLE QUESTIONS

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X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 0 OHM

100 OHM

0

OHM

0

OHM

300

OHM

0

OHM

0

OHM

0

OHM

100 OHM

24 VDC

RIGHT +

iii. REFER TO THE BLOCK DIAGRAM AND THE ABOVE TABLE:

WHAT IS THE VOLTAGE MEASURED AT POINTS C & D?

POSSIBLE QUESTIONS

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X1 X2 X3 X4 X5 X6 X7 X8 X9 X10

VALUE 0 OHM

100 OHM

0

OHM

0

OHM

300

OHM

0

OHM

0

OHM

0

OHM

100 OHM

24 VDC

RIGHT +

iii. REFER TO THE BLOCK DIAGRAM AND THE ABOVE TABLE:

WHAT IS THE CURRENT MEASURED AT POINTS C & D?

POSSIBLE QUESTIONS

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iv. COMPLETE THE FOLLOWING TABLE:

MAGNETIC NON MAGNETIC

STEEL

IRON

COPPER

ZINC

ALUMINUM

COTTON

WOOL

POLYETHYLENE

NICKEL

GOLD

POSSIBLE QUESTIONS

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v. IDENTIFY THE POLES A & B IN THE FOLLOWING DIAGRAM AND CIRCLE THE CORRECT ANSWERS:

A B

N

COMPASS

BAR MAGNET

A = NORTH POLE

A = SOUTH POLE

B= NORTH POLE

B= SOUTH POLE

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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?