NATURAL SCIENCES GRADE 5

NATURAL SCIENCES & TECHNOLOGY

GRADE 5

Life & Living

NATURAL SCIENCES GRADE 5

SKELETONS AS STRUCTURES

•a structure is something that is arranged and put together in a very specific manner•scaffolding is one example of a structure•the different parts that are put together are bars, beams and ropes•it must be rigid as well as stable (should not crumble / topple / break) when a heavything is placed against or above it

NATURAL SCIENCES GRADE 5

3 Types of structures

•solid structure•frame structure•shell structure

NATURAL SCIENCES GRADE 5

Functions of structures

1. protect2. support3. help with movement4. enclose (keep in / out e.g. fence around the school / library / hall / etc.)

NATURAL SCIENCES GRADE 5

Fish

Amphibians

Reptiles

Birds

Mammals

NATURAL SCIENCES GRADE 5