Homeroom
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Math STAR Assesment Today!
Community Service Due This Week!
Bring me completed sheets.
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Grade 7 & 8 Lesson
Do Now:
Bowling Ball vs Feather
Homework:
Today’s Agenda:
finish Presentations:
P3 (3)
P5
P7 (2)
Build and “I” Beam
Build a Box Beam
Basic Box Truss: Building skills
Here is a plan for the box truss.
it is 5 cm high, 5 cm wide, and 20 cm long.
work on a “placemat’ of paper or carboard to keep glue of tables.
use a small 3x3 card for glue.
use a toothpick or a small piece of pasta as a “glue paintbrush” to apply glue to joints.
use glue sparingly - excess glue will wet and weaken pasta.
Avoid “Compound Joints” in your construction