Benefits Of Separating Mixtures Through Sieving hd5b

Benefits of Separating Mixtures through Sieving/ Handpicking

How can you separate this mixture of salt and water?

What are the different steps to follow in separating the mixture of salt and water?

What method of separation is shown in the illustrations?

Place a line to show the correct answer of the words in the first column 

Mesh screen





Benefit



Separate



 

Sieving



Mixture





A good or helpful result or effect Combination of two or more materials Removing materials from one another to separate smaller solid particles from larger solid particles Material used to separate smaller to larger particles

1. Group the pupils into 4 2. Assign gofer, scribe, English monitor and leader 3. Distributes the materials needed

Participate always in the Group

Share and respect the ideas of the group Observe discipline while performing the activity Raise your hand if you have any query to the teacher.

Group Activity List

down different activities that deal with sieving and handpicking either in school or community.

School

Home/Kitchen

Community

Table 1: Activities that involve Handpicking School

Home/Kitchen

Community

Group Activity List

down different activities that deal with sieving and handpicking either in school or community.

Why are sieving and handpicking beneficial to the community?

Identify some activities in the community that involves sieving and handpicking.

Group Presentation of Outputs.

Benefits of sieving 

    



1. It can be used as a filter or a strainer. It can filter the big stones from the soil when you garden. 2) You can use it in deep-frying. For example, you can easily get a large amount of potato fries on a pan using a sieve. 3) You can use a sieve to separate or remove water from your Pasta/noodles. 4) You can use a sieve if you are having a hard time in separating Coconut milk/juice from strings or other juices. 5) After mashing nuts very fine, you can use a sieve to separate the fine mashed nuts from not. 6. restaurant or a home draining the liquid from noodles is an example of sieving 7. Use sieving in the science lab to separate liquids from precipitates

Participate always in the Group

Share and respect the ideas of the group Observe discipline while performing the activity Raise your hand if you have any query to the teacher.

Benefits of Handpicking in the Community Advantages

This method doesn’t need any special machinery for the separation of substances. ⦁ It takes less time when used for a small quantity. ⦁

Disadvantages ⦁



⦁

It is not feasible for large quantity of substances. It is only possible when substances are visibly different in size.

1. Group the pupils into 4 2. Assign gofer, scribe, English monitor and leader 3. Distributes the materials needed

Read the statement then give your best answer. Get the mixture of uncooked corn, palay and mongo seeds you have prepared in the previous activity. Pick up the corn seeds and place them on a piece of paper. Do the same with palay and mongo seeds. How did you separate them?  . Mix sand, rice bran and rice in a basin. After five minutes, try to separate the sand from the rice. How will you do this? 

Assignment: 

Learners search the internet or other references on other activities in the community that show benefits of sieving aside from what were mentioned in the lesson.

Benefits of Separating Mixtures through Decantation

Sieving

Handpicking

or

Sieve

Manual Separation

What benefits do we get from sieving and handpicking?

What do you observe with the materials being shown? What method is used?

Allow the pupils to form the jumbled letters.

NANTIDCOEAT Decantation: is making the mixtures separated from one another. We can do this though separating a kind of liquid from another kind

Word Origin & History 1630s, "pour off the clear liquid from a solution by gently tipping the vessel," originally an alchemical term, from French décanter, perhaps from Medieval Latin decanthare "to pour from the edge of a vessel," from de- + Medieval Latin canthus "corner, lip of a jug," from Latin cantus, canthus "iron rim around a carriage wheel." Related: Decanted; decanting. 

Benefits of Separating Mixtures through Filtration

What do you observe with the materials being shown? What method is used?