SAMPLE #1237R ARCHITECTURE AND STRUCTURAL ENGINEERING
Lesson 8
Arch Bridge
Total Time
Learn about the load and principle of arch bridge ride.
Course Objective s
Develop the ability to design models and do experiments with building blocks. Create or improve models using what you have learned.
60 mins
Keywords Load. Arch structure. Arch stress. Teaching Guide 1.
Increase Students’ Motivation
(1) A teacher lectures the topic story. Students listen and try to comprehend the lesson.
Time (mins)
5
Teaching Resource
Assessm ent
Self-awa Suppleme ntal slides reness
(2) A teacher demonstrates the model of this lesson - Arch Bridge. Please ask students to think about other types of arch bridges. (3) Brainstorming In addition to arches and domes, what other shapes spread weight? A Use rectangles and triangles.
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SAMPLE #1237R ARCHITECTURE AND STRUCTURAL ENGINEERING
2.
Course Activity Related to the Manual
(1) Students get the basic materials of this model.
10
(2) A teacher can guide students to assemble the model with 20 the building blocks according to the teaching slide and the student's book. (3) Encourage students to modify the model. If a student finishes the adjustment, he or she can do the “Hands-on Experiment” first.
(4) Hands-on Experiment Now use bricks or rope to add more support to the middle section of the arch. What happens?
Participa Electronic whiteboar tion d
Projector & Screen
Tablet or computer
Building blocks
15
A Encourage students to modify the model. (5) Hold a contest. Students can discuss and practice during the contest. (6) Hands-on Creativity Modify the middle arch bridge to fix the bridge deck to different heights of the structure. Can you change it from superior to middle, and then to an under arch? A Encourage students to observe the supporting situation and modify the model. 3.
Integrated Learning
(1) Display all the models of each group. Give the winner group a big hand.
Model Boxes
10
(2) A teacher can make a review of the concepts of “Load. Arch structure. Arch stress." Or this teacher can encourage students to share the experience about either the assembly of the model or the reflection of a game. (3) Students’ works can be displayed in the classroom. (4) Remind students to clean up the desk, disassemble the model and put the building blocks back to the boxes. 4.
Extension Task
(1) Encourage students to find out the relevant arch structures in daily life. (2) Let students talk about and share the supporting principle of the arch structure. Record & Feedback
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Oral Presenta tion