
Science 6 - Separating Mixtures
Presentation
•
Science
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4th - 6th Grade
•
Medium
Rochell Cabahug
Used 19+ times
FREE Resource
13 Slides • 25 Questions
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Science 6 - Separating Mixtures
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After completing this lesson, you are expected to:
1. classify the ways of separating components of mixture
2. select techniques in separating components of mixture
3. appreciate the importance in separating components of mixture
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Pretest
Directions: Read the sentences carefully. Choose the letter of the correct answer.
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Multiple Choice
1. Which group of mixtures could be separated by sieving?
A.) Flour, gravel and sugar
B.) Fruit salad, mixed nuts, spring water
C.) Mayonnaise, mixed nuts, sand
D.) Seawater, soft drink, sugar solution
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Multiple Choice
2. Filtration is a method used to separate insoluble solids from liquid. What group of mixtures could be separated by filtration?
A.) Flour, gravel and sugar
B.) Fruit juice, salt solution, sugar solution
C.) Fruit salad, mixed nuts, spring water
D.) Milk from grated coconut, sand from water, soil from water
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Multiple Choice
3. Magnets attract objects made of metals. Which group of objects can be attracted to magnets?
A.) Flour, fruit salad, spring water
B.) Flour, grated coconut, sugar solution
C.) Flour, gravel and sugar
D.) Metals from junkyard, staple wire from rice, sulfur powder and iron fillings
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Multiple Choice
4. Gravel, flour and sugar can be separated by sieving while sulfur powder and iron fillings, and metals from junkyard can be separated by _______.
A.) Decantation
B.) Distillation
C.) Sieving
D.) Use of magnet
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Multiple Choice
9. Below are groups of mixtures. Which group can be separated through decantation?
A.) Flour, mixed nuts, soft drink
B.) Milk, seawater, soft drinks
C.) Oil and soy sauce, oil and vinegar, water and gasoline
D.) Sand, soil, sugar
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Multiple Choice
10. If sugar and salt can be separated from solution through evaporation, how can pure water, distilled water and ethanol be separated from seawater, spring water and wine respectively?
A.) Distillation
B.) Evaporation
C.) Filtration
D.) Sieving
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Multiple Choice
5. Mixture of water and sand, water and soil, and coconut milk and grated coconut can be separated by filtration while sugar solution, salt solution and coffee solution can be separated through __________
A.) Decantation
B.) Distillation
C.) Evaporation
D.) Use of magnet
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Multiple Choice
6. What group of mixtures can be separated by handpicking?
A.) Assorted spices, fruit cocktail, wine
B.) Assorted spices, mixed nuts, rice with pebbles
C.) Flour, sand, wine
D.) Spaghetti, salt solution, cooked pasta
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Multiple Choice
7. All of the following can be separated through sieving or handpicking except_______
A.) Baking powder, flour, gravel
B.) Flour, grated coconut, sugar solution
C.) Flour, gravel, ground coffee
D.) Flour, sand, sugar
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Multiple Choice
8. Which of the following does not belong to the group?
A.) Flour, sand, sugar
B.) Milk from grated coconut, salt solution, sand
C.) Mixed nuts, mixed spices, palay with milled rice
D.) marbles, pebbles, sugar
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Activity 1
Identify ways of separating components of the following mixtures. Choose your answer from the box.
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Multiple Select
Fats from pork sinigang
Decantation
Filtration
Evaporation
Handpicking
Use of magnet
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Multiple Select
Fruits from fruit salad
Decantation
Filtration
Evaporation
Handpicking
Use of magnet
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Multiple Select
Milk from grated coconut
Decantation
Filtration
Evaporation
Handpicking
Use of magnet
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Multiple Select
Salt from salt solution
Decantation
Filtration
Evaporation
Handpicking
Use of magnet
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Multiple Select
Needle from assorted buttons
Decantation
Filtration
Evaporation
Handpicking
Use of magnet
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Open Ended
Study the paragraph then choose the best way to separate components of mixtures.
Lisa’s father is a garbage collector. Her father earns money by
collecting and selling things out of the garbage. She wants to help him
separate recyclable materials from the trash. What technique/s should she use in separating these materials? Why?
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There are different techniques of separating mixtures. These are the following:
Sieving – is used to separate mixtures that are composed of big and fine particles
Handpicking – can be used to separate particles from a mixtures that are large
enough to be picked by hand or used of forceps
Use of magnet – used to separate metal from nonmetals
Evaporation – used to separate liquids and soluble solids
Filtration – used to separate mixtures of liquid and insoluble or undissolved solids
Distillation – used to separate miscible liquids or liquid that are uniformly mixed
Decantation – used to separate immiscible liquids or liquids that do not mixed at all
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Open Ended
Mrs. Salazar will make macaroni salad for her son’s birthday. She prepares the ingredients needed. She cooked the pasta, opened a can of fruit cocktail as well as other ingredients. She needs to remove some water and juice from these ingredients. Can you help her decide the best way to do it?
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Open Ended
Mario was asked by his mother to separate the mixed nuts, palay from milled rice and stones from monggo. What technique should he use? Why?
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Assessment
Science 6 - Separating Mixtures
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