Grade: High School - 7

PI.8.7
Apply conservation of energy concepts to the design of an experiment that will demonstrate the validity of Kirchhoff’s loop rule (∑ΔV = 0) in a circuit with only a battery and resistors either in series or in, at most, one pair of parallel branches.

I Can Statements	Academic Vocabulary
I can use conservation of energy concepts to validate Kirchhoff’s loop rule in a circuit with only a battery and resistors in series. I can use conservation of energy concepts to validate Kirchhoff’s loop rule in a circuit with only a battery and resistors in one pair of parallel branches.	Conservation of energy Energy Kirchhoff’s loop rule Circuit Battery Resistor Series Parallel

I Can Statements

Academic Vocabulary

I can use conservation of energy concepts to validate Kirchhoff’s loop rule in a circuit with only a battery and resistors in series.

I can use conservation of energy concepts to validate Kirchhoff’s loop rule in a circuit with only a battery and resistors in one pair of parallel branches.

Conservation of energy
Energy
Kirchhoff’s loop rule
Circuit
Battery
Resistor
Series
Parallel

Cross Cutting Concepts
Systems and System Models When investigating or describing a system, the boundaries and initial conditions of the system need to be defined and their inputs and outputs analyzed and described using models. Models can be used to predict the behavior of a system, but these predictions have limited precision and reliability due to the assumptions and approximations inherent in models. Energy and Matter The total amount of energy and matter in closed systems is conserved. Structure and Function Investigating or designing new systems or structures requires a detailed examination of the properties of different materials, the structures of different components, and connections of components to reveal its function and/or solve a problem.

Cross Cutting Concepts

Systems and System Models
*When investigating or describing a system, the boundaries and initial conditions of the system need to be defined and their inputs and outputs analyzed and described using models.

*Models can be used to predict the behavior of a system, but these predictions have limited precision and reliability due to the assumptions and approximations inherent in models.

Energy and Matter
*The total amount of energy and matter in closed systems is conserved.

Structure and Function
*Investigating or designing new systems or structures requires a detailed examination of the properties of different materials, the structures of different components, and connections of components to reveal its function and/or solve a problem.

Science and Engineering Process Standards
SEPS 2: Developing and Using Models SEPS 3: Planning and Carrying Out Investigations

Science and Engineering Process Standards

SEPS 2: Developing and Using Models

SEPS 3: Planning and Carrying Out Investigations

Looking Back	Looking Ahead
Qualitatively and quantitatively describe how changing the voltage or resistance of a simple parallel (i.e. ladder) circuit affects the voltage, current, and power measurements of individual resistive devices and for the entire circuit. (PI.8.6) Understand and apply the principle of conservation of energy to determine the total mechanical energy stored in a closed system and mathematically show that the total mechanical energy of the system remains constant as long as no dissipative (i.e. nonconservative) forces are present. (PI.4.5) Investigate a process in which energy is transferred from one form to another and provide evidence that the total amount of energy does not change during the transfer when the system is closed. (Law of conservation of energy) (7.PS.8)	Apply conservation of electric charge (i.e. Kirchhoff’s junction rule) to the comparison of electric current in various segments of an electrical circuit with a single battery and resistors in series and in, at most, one parallel branch and predict how those values would change if configurations of the circuit are changed. (PI.8.8)

Looking Back

Looking Ahead

Qualitatively and quantitatively describe how changing the voltage or resistance of a simple parallel (i.e. ladder) circuit affects the voltage, current, and power measurements of individual resistive devices and for the entire circuit. (PI.8.6)

Understand and apply the principle of conservation of energy to determine the total mechanical energy stored in a closed system and mathematically show that the total mechanical energy of the system remains constant as long as no dissipative (i.e. nonconservative) forces are present. (PI.4.5)

Investigate a process in which energy is transferred from one form to another and provide evidence that the total amount of energy does not change during the transfer when the system is closed. (Law of conservation of energy) (7.PS.8)

Apply conservation of electric charge (i.e. Kirchhoff’s junction rule) to the comparison of electric current in various segments of an electrical circuit with a single battery and resistors in series and in, at most, one parallel branch and predict how those values would change if configurations of the circuit are changed. (PI.8.8)

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Grade: High School - 7

PI.8.7 Apply conservation of energy concepts to the design of an experiment that will demonstrate the validity of Kirchhoff’s loop rule (∑ΔV = 0) in a circuit with only a battery and resistors either in series or in, at most, one pair of parallel branches.

PI.8.7
Apply conservation of energy concepts to the design of an experiment that will demonstrate the validity of Kirchhoff’s loop rule (∑ΔV = 0) in a circuit with only a battery and resistors either in series or in, at most, one pair of parallel branches.