This PowerPoint resource is a detailed and interactive lesson designed to investigate the relationship between the weight applied to a spring and its extension, in accordance with Hooke’s Law. It is ideal for high school physics lessons focusing on forces and elasticity.
Key learning objectives:
- Understanding Hooke’s Law and its mathematical expression: F=k×x, where F is the force, k is the spring constant, and x is the extension.
- Conducting a practical investigation to determine if the extension of a spring is proportional to the applied force.
- Analyzing experimental data to calculate the spring constant and identify the limit of proportionality.
Resource features:
The lesson begins with a starter activity to review foundational knowledge, including defining Hooke’s Law, interpreting extension-load graphs, and calculating the spring constant. The practical task involves setting up equipment, adding weights to a spring, measuring its extension, and recording data in a table.
Students are guided to:
- Plot extension versus weight on a graph.
- Draw a line of best fit through the origin to assess proportionality.
- Use the gradient of the graph to calculate the spring constant.
The resource emphasizes precision in measurements, such as using a ruler aligned with the spring’s zero mark and a splint to avoid parallax errors. It includes worked examples and questions to help students interpret results and understand the material properties influencing spring behavior.
File details:
This editable ‘.pptx’ file aligns with physics curricula and supports both practical sessions and theoretical learning. It features clear visuals, step-by-step instructions, and real-world applications, making it an excellent tool for teaching elasticity and forces.
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This is an excellent resource. The video is great too.
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