When we need water, we simply open the tap. Have you ever wondered where the water in the tap comes from ?
Let’s take a trip with Walter Water Drop on his way to a tap.
Walter in the river on his way to the
From the storage dam, he travels along
to a municipal dam near a town or city.
Walter leaves the municipal dam through
a wide
and this pipe branches into
To help Walter on his way, you have to open the
Explain why a tap that is closed might still drip and therefore waste water.
Try to give three reasons why a disabled person, an older person or young children may find it difficult to turn a tap.
Let’s investigate:
Find out from where your town or city gets water.
Why are storage dams valuable? (give two reasons)
Also find out which large storage dam is in your vicinity.
Which large storage dam is on the Orange River?
What kind of dam provides water to towns and cities?
Which large dam supplies water to Johannesburg?
What is used to catch rain water that runs off roofs?
Which dam is near Paarl?
Assessment
LEARNING OUTCOME 3: SCIENCE, SOCIETY AND THE ENVIRONMENTThe learner will be able to demonstrate an understanding of the interrelationships between science and technology, society and the environment.
ASSESSMENT STANDARDS: WE KNOW THIS WHEN THE LEARNER
3.2 understands the impact of Science and Technology.
Memorandum
Distribution Of Water
Walter: Water Drop’s trip to a tap
Rain falls to the earth from the clouds
Storage dam
a pipeline
pipe ... narrower pipes
tap
A pipe can only leak from two places: from the rubber washer where the water flows out of the tap and from the packing where the flow is controlled.
He tap has not been closed properly
The washer may be cracked or be flattened
Grains of sand that damage the washer may have got into the casing of the tap.
If water leaks from the top of the tap, the nut on the upper turning shaft should be tightened.
g) 1. Their hands may be too small or too weak
Taps used by the public in public places should have long handles that are easy to turn.
The tap might be closed unnecessarily tightly.
Let’s investigate!
Why are storage dams valuable? (two reasons)
Water is available for domestic use at all times, even when rivers might run dry.
We are able to water for irrigation.
Gariep Dam
Municipal storage dams
Vaal Dam
Storage tanks
Wemmershoek Dam
Questions & Answers
Discuss the differences between taste and flavor, including how other sensory inputs contribute to our perception of flavor.
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include:
1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body
the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
