Concrete & Masonry History

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Instructions: Build your knowledge about the history and science of concrete and masonry construction!

1.
The Romans developed a remarkably durable concrete using volcanic ash. What is this ash called?
A
Pumice
B
Calcite
C
Pozzolana
D
Calcium oxide
2.
Who patented Portland cement in 1824, the key ingredient in modern concrete?
A
Isambard Kingdom Brunel
B
James Parker
C
Joseph Aspdin
D
John Smeaton
3.
The Pantheon in Rome, built around 125 AD, has an unreinforced concrete dome that is still the largest of its kind. What is its interior diameter?
A
33 meters
B
23 meters
C
43 meters
D
53 meters
4.
What are the three basic ingredients in concrete?
A
Limestone, sand, and water
B
Cement, water, and aggregate (sand and gravel)
C
Sand, gravel, and water
D
Cement, clay, and water
5.
What innovation did Joseph Monier, a French gardener, patent in 1867 that revolutionized construction?
A
Concrete blocks
B
Colored concrete
C
Reinforced concrete using iron mesh
D
Pre-cast concrete
6.
What is the primary difference between 'mortar' and 'concrete'?
A
Concrete contains coarse aggregate (gravel) while mortar does not
B
They are identical
C
Mortar uses more water
D
Mortar is stronger
7.
The Great Wall of China used mortar made from which unusual ingredient mixed with rice flour?
A
Honey
B
Egg whites
C
Animal blood
D
Sticky rice
8.
What is 'curing' in concrete construction?
A
Adding color to concrete
B
Cutting concrete to shape
C
Maintaining moisture and temperature for proper hardening
D
Testing concrete strength
9.
Which architectural style made extensive use of exposed raw concrete, giving rise to the term 'brutalism'?
A
Gothic Revival
B
Art Deco
C
Brutalist architecture
D
Art Nouveau
10.
What causes 'concrete cancer' (also known as alkali-silica reaction)?
A
A chemical reaction between alkalis in cement and silica in aggregates causing expansion
B
UV light damage
C
Acid rain
D
Bacterial growth
11.
The ancient Egyptians built the pyramids primarily using which type of stone blocks?
A
Sandstone
B
Limestone
C
Marble
D
Granite
12.
What is 'self-healing concrete' designed to do?
A
Use embedded bacteria or capsules to fill cracks when they form
B
Change color when damaged
C
Repair surface scratches automatically
D
Absorb impacts without damage
13.
What is a 'flying form' in concrete construction?
A
A concrete mold shaped like wings
B
A type of lightweight concrete
C
Large reusable formwork that is moved by crane from floor to floor
D
A decorative concrete finish
14.
Concrete is the most widely used construction material in the world. Approximately how many tonnes are used globally per year?
A
10 billion
B
5 billion
C
1 billion
D
30 billion
15.
What technique did medieval masons use to build tall stone cathedral walls without modern scaffolding?
A
Balloon lifting
B
Steel scaffolding
C
Wooden centering and progressive construction
D
Concrete pumps

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