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Les pyramides - À vous de jouer

S1 E5
·
2016
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Expires on: 

The facilitator demonstrates that the volume of a square-based pyramid is three times smaller than that of the cube that contains it. Next, she demonstrates how to use chenille stems to form a pyramid and make it a pretty decoration.

Levels:
Élémentaire 3e année
Subjects:
Mathématiques Sens de l'espace
Skills:
Communication Résolution de problèmes
French level:
A1 : Introductif ou découverte A2 : Intermédiaire ou de survie
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E1 : Le cône - À vous de jouer

1 min 57 s
In this capsule, we do the experiment to confirm that the volume of a cone is three times smaller than that of the cylinder that contains it.
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E2 : Cartographie - À vous de jouer

2 min 38 s
To plan his journey by boat, the captain lays a grid on a map and traces his path with a horizontal and vertical axis.
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E3 : Arches - À vous de jouer

1 min 37 s
Learn how to build an arch using the trapezoidal prism.
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E4 : Les cylindres - À vous de jouer

1 min 32 s
Find two cylinders of the same capacity with bases of different diameter. Make their pattern and compare their surface. Have fun.
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E5 : Les pyramides - À vous de jouer

1 min 40 s
The facilitator demonstrates that the volume of a square-based pyramid is three times smaller than that of the cube that contains it. Next, she demonstrates how to use chenille stems to form a pyramid and make it a pretty decoration.
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E6 : Les sphères - À vous de jouer

2 min 49 s
In this capsule, we compare solids according to their surface area and their volume. Then, do an experiment by preparing a liquid mixture to make bubbles and see if you can produce spherical bubbles.
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E7 : Les treillis - À vous de jouer

2 min 29 s
Lattices are the structures formed from different triangles. Our facilitator presents the equilateral and isosceles triangle and shares the particular properties of the triangle by explaining to us how to calculate the area.
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E8 : Les spirales - À vous de jouer

2 min 38 s
Our facilitator shows us how to create the Fibonacci spiral using squares. Afterwards, experiment by reproducing this same spiral or a helix.
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E9 : Les lentilles - À vous de jouer

1 min 40 s
What is the difference between convex lens and concave lens? Our host demonstrates how a lens changes the path of light, or a laser, in this case. It's up to you to create your own lens.
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E10 : Aérodynamique - À vous de jouer

2 min 15 s
Symmetry plays an important role in determining whether an object is more or less aerodynamic. Our facilitator shows us the symmetry of different structures.
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E11 : Les dômes - À vous de jouer

1 min 12 s
Come discover the shapes that make up a dome and then make one from newspaper.
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E12 : Les projectiles - À vous de jouer

2 min 25 s
Find out what "Plato's solid" means and the five solids that exemplify it.
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E13 : Les cubes - À vous de jouer

1 min 49 s
The cube has special properties. For example, all of its faces are congruent. There are eleven patterns to represent the development of the cube. The facilitator gives two examples. Can you find the other nine patterns?
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E14 : Le dallage - À vous de jouer

3 min 17 s
Our facilitator demonstrates what tiling is with different shapes. For this to work, the sum of the angles at each apex where shapes meet must equal 360 degrees.
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E15 : Les coins - À vous de jouer

2 min 15 s
If we add the number of faces to the number of apex and subtract the number of edges of a prism, we always get the number two. Our facilitator demonstrates this.
    Levels:
    Élémentaire 3e année
    Subjects:
    Mathématiques Sens de l'espace
    Skills:
    Communication Résolution de problèmes
    French level:
    A1 : Introductif ou découverte A2 : Intermédiaire ou de survie