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To determine the meaning of the term “soluble”

Module by: Siyavula Uploaders. E-mail the author

NATURAL SCIENCES

Form, reaction and alteration of materials

EDUCATOR SECTION

Memorandum

Examples: a grease stain is dissolved in alcohol or a detergent, coffee in water, etc.

LEANER SECTION

Content

Activity: To determine the meaning of the term “soluble” [LO 2.3]

A drop of water consists of thousands of small water particles. Sugar also consists of small particles. When sugar is added to water the grains of sugar break down into smaller pieces. These small sugar particles fit between the particles of water. We call this mixture a solution.

Figure 1
Figure 1 (graphics1.png)

Water = solvent

Sugar = dissolved substance

Give another example of a substance that can be dissolved in another substance.

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Assessment

Learning Outcome 2:Learners know, interpret and apply scientific, technological and environmental knowledge.

Assessment Standard 2.3: We know this when the learner interprets information: at the minimum, interprets information by using alternative forms of the same information.

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Definition of a lens

Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

Who can create a lens?

Any individual member, a community, or a respected organization.

What are tags? tag icon

Tags are descriptors added by lens makers to help label content, attaching a vocabulary that is meaningful in the context of the lens.

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