Chapter 8 Types of Tree.

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Presentation transcript:

Chapter 8 Types of Tree

Trees – 2 groups Coniferous Softwood Needle-like leaves Deciduous Hardwood Broad leaves

Deciduous trees (hardwoods) Produce hardwood timber Lose their leaves in autumn (except holly) Trunk divides to develop large branches Branches are larger and more irregular Broad leaves Seeds borne in nuts/berries Slow growing Wood is more valuable Wood is harder and more durable

Coniferous trees (softwoods) Produce softwood timber Evergreen (except larch) Straight trunk Smaller branches Needle-like leaves Seeds borne in pine cones Symmetrical in shape Grow quickly Wood is usually cheaper Wood is usually softer and less durable

Deciduous trees

Oak (hardwood) Seed called an acorn Hard, durable wood Finishes well Silver grain when cut radially Corrosive to steel – use brass fittings Uses Furniture Doors Flooring Boats Barrels

Elm (hardwood) Attractive grain Resists splitting Moisture resistant Uses Woodturning Garden furniture Outdoor projects

Ash (hardwood) Very common tree Grows quickly Hard, durable wood Wood is light-coloured Distinctive grain Elastic properties Uses Hurleys Furniture Tool handles Laminating

Beech (hardwood) Common slow growing tree with smooth grey bark Light-coloured wood Close-grained Durable and hard-wearing Uses Furniture and flooring Mallets, bench hooks, gauges Kitchen utensils

Horse chestnut (hardwood) Seeds – conkers Light-coloured wood Not durable Uses Packing cases Wood pulp

Sycamore (hardwood) Very common in Ireland Winged seeds – helicopters Light-coloured wood Uses Carving Veneering Woodturning Violin making

Maple (hardwood) Hard-wearing wood Light-coloured Durable Uses Kitchen units Maple flooring Veneers Furniture making

Coniferous trees

Scots pine (softwood) Tall tree – few branches Wood is light-coloured with a distinct grain Wood is called red deal Easy to work with Finishes well Uses School project work Construction timber Doors and furniture

Sitka spruce (softwood) Most common in Irish forestry – likes wet soil Strong wood Straight-grained Uses Structural timber Paper-making Flooring Fibreboard and chipboard manufacture

What tree is shown on the Canadian flag? Maple tree