Transcript STEM Education - City of Rancho Cucamonga

STEM Education: Electricity
Rancho Cucamonga Library Services
Wess Garcia
Programming Librarian
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STEM Education : Electrical Engineering
STEM Education : Electrical Engineering
Workshop
Science, Technology, Engineering and Mathematics
Science, Technology, Engineering and Mathematics
Back to Basics Overview
STEM Workshop
Spooky Circuit Skeletons
Switches • Resistors • Circuits • LED
Thursday, October 30th
5:00-6:00pm
Tuesday, October 28th
4:00-5:00pm
Paul A. Biane Library Story Theater
Paul Biane Library, Story Theater
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Common Core
K-3 Core Standards
RI.2.10 By the end of year, read and comprehend informational
texts, including history/social studies, science, and technical
texts, in the grades 2-3 text complexity band proficiently, with
scaffolding as needed at the high end of the range.
1-PS4-3. Plan and conduct an investigation to determine the
effect of placing objects made with different materials in the
path of a beam of light.
2-PS1-1. Plan and conduct an investigation to describe and
classify different kinds of materials by their observable
properties.
K-2-ETS1-1. Ask questions, make observations, and gather
information about a situation people want to change to define a
simple problem that can be solved through the development of
a new or improved object or tool.
K-2-ETS1-2. Develop a simple sketch, drawing, or physical model
to illustrate how the shape of an object helps it function as
needed to solve a given problem.
K-2-ETS1-3. Analyze data from tests of two objects designed to
solve the same problem to compare the strengths and
weaknesses of how each performs.
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ATOM
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9 Volts
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1 x LED 3.6 volts / 20mA
X 2 LED
= 7.2 volts
1 x Battery 9 volts
- 7.2 volt LED
1.8 excess voltage
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1 mA = 0.001 AMP (short for amperes)
[1 AMP/1000 = .001 mA]
Ohm’s Law
Resistor
(1/8 , 100 Ω (Ohms)
V = I x R OR V / I = R
V/I=R
1.8 V / 0.02 = 90 Ω (Ohms)
(excess)
(20mA)
1 x LED 3.6 volts / 20mA
X 2 LED
=
7.2 volts
1 x Battery 9 volts
- 7.2 volt LED
=1.8 excess voltage
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Negative
Heat Shrink
Positive
Center
Cathode
Any side
Twist
Anode
Resistor
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Rancho Cucamonga Library Services
Wess Garcia
[email protected]
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