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Materials Found at
Home according to
their Uses
Grade 3
SY 2013-2014
Ms. Shirley Puaso-Valera
Key Questions

1.How do we use matter
in our daily life?
2.Why should I be careful
when dealing with
different materials?
Objectives

A.Observe and describe the
properties of household materials
- physical properties
- chemical properties
B. Us...
Review of the past
lesson

Changes in Matter
Name some
objects found at
home and
describe it and
tell the use of it.
Show and Tell

Naming some of the different household
chemical and materials

Bleach - is a strong and
effective disinfect...
Show and Tell

Naming some of the different household
chemical and materials
Caution should be exercised
in the use of it....
Show and Tell

Naming some of the different household
chemical and materials
Overuse of bleach or using a
bleach solution ...
Show and Tell

Naming some of the different household
chemical and materials

Knife - is a
cutting tool
Show and Tell

Naming some of the different household
chemical and materials
fork - A utensil
with two or
more prongs,
use...
Show and Tell

Naming some of the different household
chemical and materials
LPG (Liquefied petroleum
gas) or simply propa...
Show and Tell

Naming some of the different household
chemical and materials

Soap and
detergent are
useful for
cleaning
Show and Tell

Naming some of the different household
chemical and materials
Television has a
number of uses. First
of all...
Show and Tell

Naming some of the different household
chemical and materials

Television is a
very fine medium
of
entertai...
Show and Tell

Naming some of the different household
chemical and materials
We should avoid the
presentation of
programme...
Collaborative Activity
Activty 5.2
Materials Found at Home

Problem: Are all the materials found at home
useful?
Materials...
Collaborative Activity

Activty 5.2
Materials Found at Home
What to do: Classify the materials according to use.
Observati...
Collaborative Activity
Activty 5.2
Materials Found at Home

1.Are al the materials useful? ________________
2.Which materi...
Collaborative Activity
Activty 5.2
Materials Found at Home

Conclusion:
All materials in the activity are ____________
The...
Activty 5.2 Materials Found at Home
Problem: Are all the materials found at home useful?
Materials Needed: pictures of dif...
Sharing of the answers by
presenting the data
Discussion on the
importance of reading the
label of the different
chemicals or materials
found at home.
Effects of Some Materials on People
1. Foods like vegetables, fruits ,
fish, meat and juice, give our
body the nutrients i...
2.

Effects of Some Materials on People

Preservatives and
additives are
usually added to
processed food.Ex:
food coloring...
Effects of Some Materials on People

3. Vitamins make our body more

resistant to sickness. Medicines like
paracetamol are...
Effects of Some Materials on People

4. Liquid detergents are used in
washing clothes. Muriatic acid
and other disinfectan...
Effects of Some Materials on People

5. Insecticides are used to
kill insects like
mosquitoes, flies, and
cockroaches.

If...
Harmful Substances
Alcohol, cigarettes and certain
types of drugs are harmful to
people.
It can damage the lungs, body
org...
Role Playing
Read the precautionary measures in
handling harmful substance on page
224-226.
Role play one of the precautio...
Discussion on the different
precautionary measures in handling
materials
Precautionary Measures in Handling Substances.
1.Always read the labels of products before buying them.
Precautionary Measures in Handling Substances.
2.Do not buy products without the expiry date.
Precautionary Measures in Handling Substances.
3.Insecticides, muriatic acids, and disinfectants should be
kept in places ...
Precautionary Measures in Handling Substances.
4. Keep flammable items, like gasoline and kerosene away
from the stove, fi...
Precautionary Measures in Handling Substances.
5. Take only the recommended dose of medicines as
prescribed by your doctor...
Precautionary Measures in Handling Substances.
6. Provide designated areas for different household items.
Label all househ...
Precautionary Measures in Handling Substances.
7. Dispose of used materials and dangerous substances
properly.
Precautionary Symbols or signs
## capable of catching fire in the presence
of spark or open flame under normal
condition

...
Generalization
Due to modern technology , certain
chemicals have been discovered and
contained in the materials and substa...
Valuing
Importance of reading
product labels
proper handling of
materials.
Evaluation
A. Fill in the blanks with the correct word from the list. (p.229-A)
A. Choose the best answer. (p.229-B)
Thank You
2.materials found at home according to their uses.ppt2nd
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2.materials found at home according to their uses.ppt2nd

  1. 1. Materials Found at Home according to their Uses Grade 3 SY 2013-2014 Ms. Shirley Puaso-Valera
  2. 2. Key Questions 1.How do we use matter in our daily life? 2.Why should I be careful when dealing with different materials?
  3. 3. Objectives A.Observe and describe the properties of household materials - physical properties - chemical properties B. Use communications to inform others about the safe handling of chemicals.
  4. 4. Review of the past lesson Changes in Matter
  5. 5. Name some objects found at home and describe it and tell the use of it.
  6. 6. Show and Tell Naming some of the different household chemical and materials Bleach - is a strong and effective disinfectant, effective in killing bacteria, fungus and viruses.
  7. 7. Show and Tell Naming some of the different household chemical and materials Caution should be exercised in the use of it. Improper use of bleach may reduce its effectiveness in disinfection and also lead to accidents which can be harmful to health.
  8. 8. Show and Tell Naming some of the different household chemical and materials Overuse of bleach or using a bleach solution that is too concentrated results in the production of toxic substances that pollute the environment and disturb ecological
  9. 9. Show and Tell Naming some of the different household chemical and materials Knife - is a cutting tool
  10. 10. Show and Tell Naming some of the different household chemical and materials fork - A utensil with two or more prongs, used for eating or serving food.
  11. 11. Show and Tell Naming some of the different household chemical and materials LPG (Liquefied petroleum gas) or simply propane or butane, is a flammable mixture of hydrocarbon gases used as a fuel in heating appliances and vehicles
  12. 12. Show and Tell Naming some of the different household chemical and materials Soap and detergent are useful for cleaning
  13. 13. Show and Tell Naming some of the different household chemical and materials Television has a number of uses. First of all, it makes it possible for us to see what is happening far away..
  14. 14. Show and Tell Naming some of the different household chemical and materials Television is a very fine medium of entertainment.
  15. 15. Show and Tell Naming some of the different household chemical and materials We should avoid the presentation of programmes that may spoil the taste , character and morale of people.
  16. 16. Collaborative Activity Activty 5.2 Materials Found at Home Problem: Are all the materials found at home useful? Materials Needed: pictures of different materials found at home: microwave, electric toaster, kettle, cups, plates, spoons rake, shovel, grass cutter, electric mower, muriatic acid, insect spray
  17. 17. Collaborative Activity Activty 5.2 Materials Found at Home What to do: Classify the materials according to use. Observation:Write the names of the materials in their proper column. Objects For cooking For cleaning For eating For gardening
  18. 18. Collaborative Activity Activty 5.2 Materials Found at Home 1.Are al the materials useful? ________________ 2.Which materials can be harmful?____________ 3.Are these materials properly kept in your house? _________________________________ 4.Are they properly labeled in the cabinet?______ _______________________________________
  19. 19. Collaborative Activity Activty 5.2 Materials Found at Home Conclusion: All materials in the activity are ____________ They can become harmful if ______________ _____________________________________ _____________________________________
  20. 20. Activty 5.2 Materials Found at Home Problem: Are all the materials found at home useful? Materials Needed: pictures of different materials found at home: microwave, electric toaster, kettle, cups, plates, spoons rake, shovel, grass cutter, electric mower, muriatic acid, insect spray What to do: Classify the materials according to use. Observation:Write the names of the materials in their proper column. Objects For Cooking For Cleaning For Eating For Gardening 1. Are al the materials useful? _________________________________________________ 2. Which materials can be harmful?_____________________________________________ 3. Are these materials properly kept in your house?_________________________________ 4. Are they properly labeled in the cabinet?_______________________________________ Conclusion: All materials in the activity are _________________________________________________ They can become harmful if ___________________________________________________ __________________________________________________________________________
  21. 21. Sharing of the answers by presenting the data
  22. 22. Discussion on the importance of reading the label of the different chemicals or materials found at home.
  23. 23. Effects of Some Materials on People 1. Foods like vegetables, fruits , fish, meat and juice, give our body the nutrients it needs. Foods packed or canned like corned beef, sardines, fruit cocktails, and others should be check the ingredients or substances contained in the different materials and the expiry date of the products in the labels. You might be buying food without nutritional value.
  24. 24. 2. Effects of Some Materials on People Preservatives and additives are usually added to processed food.Ex: food coloring,flavor enhancers,monosod ium glutamateMSG, and sodium nitrate. Eating too much chips and instant noodles can harm
  25. 25. Effects of Some Materials on People 3. Vitamins make our body more resistant to sickness. Medicines like paracetamol are taken to relieve pain or treat diseases like headache and fever. Use these as prescribed by doctors.
  26. 26. Effects of Some Materials on People 4. Liquid detergents are used in washing clothes. Muriatic acid and other disinfectants are used for cleaning the toilet and the bathroom. If not properly used they can cause respiratory diseases especially when it is inhaled. These must be used as indicated in the products labels.
  27. 27. Effects of Some Materials on People 5. Insecticides are used to kill insects like mosquitoes, flies, and cockroaches. If it is not used properly it can make us sick. Products labels should be read before using them.
  28. 28. Harmful Substances Alcohol, cigarettes and certain types of drugs are harmful to people. It can damage the lungs, body organs and change the way a person thinks and acts. Person should always say “NO” to harmful drugs to keep the body fit and healthy.
  29. 29. Role Playing Read the precautionary measures in handling harmful substance on page 224-226. Role play one of the precautionary measures. Group presentation
  30. 30. Discussion on the different precautionary measures in handling materials
  31. 31. Precautionary Measures in Handling Substances. 1.Always read the labels of products before buying them.
  32. 32. Precautionary Measures in Handling Substances. 2.Do not buy products without the expiry date.
  33. 33. Precautionary Measures in Handling Substances. 3.Insecticides, muriatic acids, and disinfectants should be kept in places where children cannot reach them . Wear gloves and cover your nose and mouth with mask. Change your clothes and wash hands thoroughly after using chemicals.
  34. 34. Precautionary Measures in Handling Substances. 4. Keep flammable items, like gasoline and kerosene away from the stove, fireplace and other sources of heat. They can catch fire easily.
  35. 35. Precautionary Measures in Handling Substances. 5. Take only the recommended dose of medicines as prescribed by your doctor . Too much intake of medicines, or overdosage, is not good to the body.
  36. 36. Precautionary Measures in Handling Substances. 6. Provide designated areas for different household items. Label all household items properly. Keep dangerous chemicals in locked containers.
  37. 37. Precautionary Measures in Handling Substances. 7. Dispose of used materials and dangerous substances properly.
  38. 38. Precautionary Symbols or signs ## capable of catching fire in the presence of spark or open flame under normal condition …. Includes caustic and acid materials that can damage the skin and even metals //Poisonous and infectious materials that can cause death or immediate injury when a person is exposed to a small amount
  39. 39. Generalization Due to modern technology , certain chemicals have been discovered and contained in the materials and substances around us. Many materials and substances are useful at home , in school , and in industries, but they can be harmful if not used properly. Matter plays an important role which is essential to our everyday life.
  40. 40. Valuing Importance of reading product labels proper handling of materials.
  41. 41. Evaluation A. Fill in the blanks with the correct word from the list. (p.229-A) A. Choose the best answer. (p.229-B)
  42. 42. Thank You
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