6.2.1. Based on Source

Try these first

1. 1.

   What are natural aggregates?

   Hint

   Consider where these materials can be found.

2. 2.

   Name one advantage of natural aggregates.

   Hint

   Think about their sourcing.

3. 3.

   What are the three main types of aggregates based on their source?

   • Natural
   • Artificial
   • Recycled
   • Coarse
   • Fine
   • Filler
   • Igneous
   • Sedimentary
   • Metamorphic

   Hint

   Consider how these aggregates are sourced.

4. 4.

   True or False: Recycled aggregates are sourced from natural minerals.

   • True
   • False

   Hint

   Reflect on the source of recycled materials.

5. 5.

   Develop a proposal for a small road construction project using each of the three types of aggregates. Detail the advantages of each type you would choose.

   Hint

   Consider the purpose of your road and traffic load.

6. 6.

   Evaluate the impact of using recycled aggregates on the local environment compared to using natural aggregates.

   Hint

   Think about long-term sustainability practices.