Plants in Daily Life | Term 3 Unit 5 | 6th Science - Timber yielding plants | 6th Science : Term 3 Unit 5 : Plants in Daily Life
Chapter: 6th Science : Term 3 Unit 5 : Plants in Daily Life
Timber yielding plants
Timber yielding
plants
The wood needed for the construction of
buildings and making of furniture are obtained from certain plants. We use wood
for these purposes due to their features like durability, stylish finishing and
resistance to temperature changes.
All commercial timbers are classified into two
classes as Hardwoods and softwoods based essentially on their structure.
Hardwoods
Hardwoods are angiosperms (flowering plants),
the largest group of land plants. High-quality furniture, decks, flooring, and
wooden construction are being made only using hardwood. eg. Teak, Jackfruit.
Softwoods
Softwoods come from gymnosperm (non-flowering
plants) trees. Certain angiosperms also yield softwood
Softwoods have a wide range of applications
such as making plywood, wooden boxes, medium-density Fibreboard (MDF) and paper
making. eg: katampu, Pine.
The finely cut wooden boards from
the wood are layered one above the other to make plywood. This is a kind of
composite wood.
Related Topics