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Houses & Buildings - CONCRETER

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Natural Concrete Sculpture for Kids (How Stuff Works)

PrimaryPrimary

CriticalAustralian Curriculum General Capability: Critical and Creative Thinking

 

1. What You'll Need:

•Water
•Clean sand
•Cornstarch
•Pot or bowl

For thousands of years, people have mixed sand with other natural ingredients to make bricks, pots, and other things they need. You can do the same thing.

Step 1: With the help of a parent or adult, boil some water.

Step 2: For each cup of clean sand, mix 1/2 cup of cornstarch and 1/2 cup of boiling water in a sturdy pot or bowl.

Step 3: Stir the mixture several times as it cools.

Step 4: Shape the mixture into pots and jars, or make sculptures of animals or other shapes.

Step 5: To harden the concrete, bake your creations in a 300 degrees F oven for one hour. Let it cool completely before handling."
(Source: How Stuff Works)

 


Online

Lesson: Concrete for Kids

PrimaryPrimary  middleMiddle highSecondary

CriticalAustralian Curriculum General Capability: Critical and Creative Thinking

 

1. Follow the instructions for Concrete for Kids.

Lesson: Concrete for kids

 

 

 

A Problem with Concrete?

highSecondary

Australian Curriculum Cross Curriculum Priorities: Sustainability Priority

 

1. In groups of 4 - 5 students, read the following article from Explain That Stuff Reading

Explain that Stuff

2. Start creating a presentation on the benefits of concrete and the science behind it.

Look up images of the structures noted in this article and incorporate them into your presentation.

3. Read the following article from The Conversation 17 June 2016 Reading

The Conversation

4. List the reasons presented for the problem with reinforced concrete. Answer the question: Why did reinforced concrete come into existence?

5. As a group, finish your presentation and answer the question:

Should modern buildings use reinforced concrete? How can the problem of concrete cancer be overcome?

 

 

Did You Know?

Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and lifted into place. In contrast, standard concrete is poured into site-specific forms and cured on site.

The New South Wales Government Railways made extensive use of precast concrete construction for its stations and similar buildings. Between 1917 and 1932, they erected 145 such buildings.
(Source:
Wikipedia)

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