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#### Description:

This is a standards-based simulation for middle school, developed to help students visualize how total energy is conserved in a simple pendulum. It depicts a child swinging on a swing suspended from a stationary point. Students can drag the swing to different heights, then activate the motion. As the swing moves in periodic motion, energy bar graphs are simultaneously displayed that show changing levels of kinetic and potential energy. The simulation is accompanied by a lesson plan and printable student activity guide. This item was created with Easy Java Simulations (EJS), a modeling tool that allows users without formal programming experience to generate computer models and simulations. To modify or customize the model, See Related Materials for detailed instructions on installing and running the EJS Modeling and Authoring Tool.

#### Keywords:

Oscillations and Waves,Grade 6,NSDL,oai:nsdl.org:2200/20130508143225706T,Grade 8,Classical Mechanics,Grade 7,energy conservation,Work and Energy,kinetic energy,harmonic motion,Informal Education,Middle School,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-102,Pendula,Conservation of Energy,Physics,potential energy,middle school module,Engineering,swing,Oscillations,Technology

English

#### Access Privileges:

Public - Available to anyone

Creative Commons Attribution Non-Commercial Share Alike

#### Collections:

None
Update Standards?

#### CCSS.Math.Practice.MP2: Common Core State Standards for Mathematics

Reason abstractly and quantitatively.

#### CCSS.Math.Content.7.RP.A: Common Core State Standards for Mathematics

Analyze proportional relationships and use them to solve real-world and mathematical problems.

#### CCSS.Math.Content.7.RP.A.2: Common Core State Standards for Mathematics

Recognize and represent proportional relationships between quantities.

#### CCSS.Math.Content.7.RP.A.2b: Common Core State Standards for Mathematics

Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.

#### CCSS.Math.Content.8.F.B: Common Core State Standards for Mathematics

Use functions to model relationships between quantities.

#### CCSS.Math.Content.8.F.B.5: Common Core State Standards for Mathematics

Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.
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