Gravzant Ring Expansion Demonstration Set 
Friction on Inclined Plane Experiment Set with Weights & Hall's Car Disassembled 
Description
- Import of ECE
- Compatible with the curriculum
- Suitable for school, experiment, project work
- It can be used in optics lectures, optical experiments, etc.
- Lenses are made of glass
- The edges have been shaved for safety and aesthetics reasons
- The set includes 6 pieces of 50mm diameter glass lenses with written specifications below
- The product is presented in a carrying and storage box
Product Content:
- Biconvex: 50mm diameter, F=100
- Biconcave: 50mm diameter, F=-100
- Convex-concave: 50mm diameter, F=+150/-200
- Plano convex: 50mm diameter, F=200
- Plano concave: 50mm diameter, F=-200
- Concave-convex: 50mm diameter, F=-150/+200
Targeted Gains:
- Explains the properties of lenses and lens types.
- Analyzes the variables that affect the focal length of a lens.
- Explores the properties of the image formed by the lenses.
- Discovers how light is refracted in concave and convex lenses.
- Finds the focal points of parallel light beams and thin and concave lenses.
- Gives examples of usage areas of lenses.
- Realizes that glass waste left in forest areas can pose a fire risk in sunny weather.
- Designs observation tools using lenses.
- Compares the similarities and differences of reflection and refraction of light.
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