Explain why structures are classified under frame and shell structures. Identify structures that are human-made and man-made. List other examples of frame and shell structures.

investigating shell and frame structures (ask learners to discuss what they remember about this topic from Grade 4). Show Presentation 1, asking learners to pay attention to the shape and material of the various structures.

In this chapter we will investigate two kinds of structures, frame and shell structures. A structure is something that is arranged or put together in a specific way and is made up of different parts. A jungle gym is an example of a structure. It has many different parts like beams, ropes, and bars, that are put together in a special way.

Feb 8, 2024 · A bird’s nest and snail shell are examples of shell structures. View STRUCTURES.pdf from TMN 2 at University of South Africa. GRADE 5 Name: Structures have different jobs or functions. They: • Support • Protect • Enclose - …

Shell structures can be very light, and yet have a great deal of strength and rigidity (Figure 5). Figure 4 A helmet is an example of a shell structure. Figure 5 An egg is a shell structure too! Th e human skeleton is a framework of bones that hold muscles, tendons, and ligaments (Figure 6).

Frame and shell structures Gr 5 Natural Sciences and Technology – Term 1, Topic 3 3 What is a shell structure? it holds and protects the things that are inside the structure. people build houses to provide shelter. cars are also designed and built to provide transport. tins are manufactured to preserve vegetables, soup, fruit, etc. Gr 5 ...

What is a shell structure? Gr 5 Natural Sciences and Technology – Term 1, Topic 3. it is made to resists heavy loads. Examples: crab- and crayfish shells. exoskeletons of invertebrates. eggshells

Sep 20, 2017 · An igloo is a shell because it is hollow and protects what is inside. It relies on curves or arches to provide it strength. Examples of frame structures include the Eiffel Tower, some bridges, electrical towers and the roof of most houses. Frames are made out of connected parts in a certain arrangement.

Can you give an example of an object that has a frame structure? Shell structures usually contain something and often their function is to protect the object inside. An egg shell has a rounded off shape and inside it, a chick grows and develops. The shell structure protects the growing chick. Frame structures have a different purpose – they ...

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