Man-made substances
Man-made substances: Overview
This topic covers concepts such as cement bridges, role of cement in building house, plastics, man-made resources, and uses of plastics.
Important Questions on Man-made substances
Brick is a solid non-living thing.
The cement is an excellent binder and has the ability to hold the structure together.
Which of the following is used in non-stick cookware?
Who uses the bridge? Is it used by people on foot and also by vehicles and animals?
Choose the correct properties of plastic.
Which of these properties of plastic makes it suitable for storing groceries at home?
Which of the following plastic is fire-resistant?
Which of the following materials are made from Bakelite?
Choose the examples of thermoplastics from the given options?
Which of the following is a type of plastic?
Choose the examples of thermosetting plastics from the given options?
Use plastic bags for shopping.
State a major disadvantage of plastics.
State two advantages of plastics.
What is plastic? Write the names of the main plastic polymers.
What are plastics? Write their various types.
Write the names of four articles made from plastic.
