-
STEM 遇上 GeoGebra:陳瑞祺永援中學
-
1. Construction Tasks
- Equilateral Triangles and Regular Hexagons Inscribed in Circles
- Tessellation
- polygon ring
- Rotating and Dilating Squares
- Constructing Loci
-
2. 3D Constructions and Explorations
- Cross-Sections of the Cube
- Rotational Symmetry of Cubes
- Other Net of Tetrahedron
- Unwrapping a Cylinder Cut by An Oblique Plane (Answer)
- Movable Dandelin spheres
-
3. Inquiry and Problem Solving
- Inquiry Task (Elementary)
- Inquiry Task (Intermediate)
- Triangle on Parallel Lines
-
4. Algebraic Thinking and Coding
- Curve Stitching
-
5. Tessellation 密鋪平面
- Tessellation
- Tessellation
- Daisy Tessellation
- Triangle Tessellation
- Hexagon Tessellation
- Kite Tessellation
- Cat Tiling
- Islamic Tessellation on Octagons and Squares
- Qarawiyyin Mosque
- Qarawiyyin Tiling (generalized)
-
6. Transformations 變換
- Rotation of Regular Polygons
- polygon ring
- Equiangular Spiral on Nautilus Shell
- Spirals in a Square
- combining spirals
- Dilations of a star
- Spiral from polygons
- math and art 1
- maths and art2
- Maths and art 3
- Maths and art4
- Maths and art5
- Sine Wave Rotating Triangle
- converging color spirals
- Spiral Square
-
7. Applications in Physics 物理學的應用
- Projectile
- Parabolas
- Relative Velocity: Boat Crossing a River
- Lens Simulation for iPad
- 2D Image Formation by Lenses
- iPad Spherical Mirror Simulation
- Dispersion of Light
- The Doppler Effect with Sound
- Double Slit Interference
- Wave interference
- Combination Electric Circuit with Four Identical Bulbs
-
8. Applications in Chemistry 化學科的應用
- Models of the water molecule
- Models of the methane molecule
- Models of the ethyl spirit molecule
- Models of the benzene molecule
This activity is also part of one or more other Books. Modifications will be visible in all these Books. Do you want to modify the original activity or create your own copy for this Book instead?
This activity was created by '{$1}'. Do you want to modify the original activity or create your own copy instead?
This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
STEM 遇上 GeoGebra:陳瑞祺永援中學
Anthony OR 柯志明, Feb 22, 2017

Table of Contents
- Construction Tasks
- Equilateral Triangles and Regular Hexagons Inscribed in Circles
- Tessellation
- polygon ring
- Rotating and Dilating Squares
- Constructing Loci
- 3D Constructions and Explorations
- Cross-Sections of the Cube
- Rotational Symmetry of Cubes
- Other Net of Tetrahedron
- Unwrapping a Cylinder Cut by An Oblique Plane (Answer)
- Movable Dandelin spheres
- Inquiry and Problem Solving
- Inquiry Task (Elementary)
- Inquiry Task (Intermediate)
- Triangle on Parallel Lines
- Algebraic Thinking and Coding
- Curve Stitching
- Tessellation 密鋪平面
- Tessellation
- Tessellation
- Daisy Tessellation
- Triangle Tessellation
- Hexagon Tessellation
- Kite Tessellation
- Cat Tiling
- Islamic Tessellation on Octagons and Squares
- Qarawiyyin Mosque
- Qarawiyyin Tiling (generalized)
- Transformations 變換
- Rotation of Regular Polygons
- polygon ring
- Equiangular Spiral on Nautilus Shell
- Spirals in a Square
- combining spirals
- Dilations of a star
- Spiral from polygons
- math and art 1
- maths and art2
- Maths and art 3
- Maths and art4
- Maths and art5
- Sine Wave Rotating Triangle
- converging color spirals
- Spiral Square
- Applications in Physics 物理學的應用
- Projectile
- Parabolas
- Relative Velocity: Boat Crossing a River
- Lens Simulation for iPad
- 2D Image Formation by Lenses
- iPad Spherical Mirror Simulation
- Dispersion of Light
- The Doppler Effect with Sound
- Double Slit Interference
- Wave interference
- Combination Electric Circuit with Four Identical Bulbs
- Applications in Chemistry 化學科的應用
- Models of the water molecule
- Models of the methane molecule
- Models of the ethyl spirit molecule
- Models of the benzene molecule
Equilateral Triangles and Regular Hexagons Inscribed in Circles
Drag the points in the two figures below to see the effects.
Can you construct these two figures?




Task 2.1
Construct the following regular hexagon and start the animation.
Save your answer in the name "2.1x_yourname.ggb", where x denotes the letter of the part (a to e) and yourname is your name in English. Send an email titled "MATP1331 Lesson 2 Answers" with your answers of this session attached to geogebra.hk@gmail.com


Cross-Sections of the Cube
What are the possible shapes of a cross-section of the cube?
Cross-Sections of the Cube


Inquiry Task (Elementary)
Task 2.4
Construct the following figure.
At what positions of P would the two rectangles have equal areas?
Can you justify your observation?


Curve Stitching


Tessellation
1.1 Tessellation of Regular Polygons
Follow the teacher's instructions, construct the following figure using the "Slider" tool, "Regular Polygon" tool, the "Vector" tool and the "Translate by Vector" tool.
Explore what regular polygons could tessellate the plane.


1.2 Tessellating a Quadrilateral
Investigate whether a quadrilateral could tessellate the plane.


1.3 Tessellating Regular Polygons using Commands
Use the Sequence command to construct the following figure.


Transformations 變換
-
1. Rotation of Regular Polygons
-
2. polygon ring
-
3. Equiangular Spiral on Nautilus Shell
-
4. Spirals in a Square
-
5. combining spirals
-
6. Dilations of a star
-
7. Spiral from polygons
-
8. math and art 1
-
9. maths and art2
-
10. Maths and art 3
-
11. Maths and art4
-
12. Maths and art5
-
13. Sine Wave Rotating Triangle
-
14. converging color spirals
-
15. Spiral Square
Rotation of Regular Polygons
2.1 Rotating the Regular Pentagon
Follow the teacher's instructions, construct the following figure using the "Regular Polygon" tool, the "Point" tool and the "Rotate around Point" tool.


2.2 Rotating the Regular Pentagon with Sequence Command
Use the Sequence command to construct the following figure.


Task 2.2 Rotating the Regular Octagon
Draw the following figure. Do you know how to locate the red point precisely?
Save your answer in the name "2.2_yourname.ggb", where yourname is your name in English. Send an email titled "MATS2320 Lesson 2 Answers" with all your answers of this session attached to geogebra.hk@gmail.com.


Applications in Physics 物理學的應用
-
1. Projectile
-
2. Parabolas
-
3. Relative Velocity: Boat Crossing a River
-
4. Lens Simulation for iPad
-
5. 2D Image Formation by Lenses
-
6. iPad Spherical Mirror Simulation
-
7. Dispersion of Light
-
8. The Doppler Effect with Sound
-
9. Double Slit Interference
-
10. Wave interference
-
11. Combination Electric Circuit with Four Identical Bulbs
Projectile


Models of the water molecule
Models of the water molecule
Models of the water molecule


Saving…
All changes saved
Error
A timeout occurred. Trying to re-save …
Sorry, but the server is not responding. Please wait a few minutes and then try to save again.