Recognizing Useful and Harmful Materials Everything around us
![Recognizing Useful and Harmful Materials Recognizing Useful and Harmful Materials](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-1.jpg)
![• Everything around us is Matter. - The soil in the farm , • Everything around us is Matter. - The soil in the farm ,](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-2.jpg)
![• Matter has different properties that make them different from one another • Matter has different properties that make them different from one another](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-3.jpg)
![• Some types of matter have properties that make them good materials for • Some types of matter have properties that make them good materials for](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-4.jpg)
![In this topic , you will learn how to identify the different properties of In this topic , you will learn how to identify the different properties of](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-5.jpg)
![Useful and Harmful Substances • There are substances that are useful , harmful, or Useful and Harmful Substances • There are substances that are useful , harmful, or](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-6.jpg)
![Common Household Materials • Have you observe different materials commonly used at home? • Common Household Materials • Have you observe different materials commonly used at home? •](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-7.jpg)
![Classification of Household Materials Useful Substances • There are useful chemical substances at home. Classification of Household Materials Useful Substances • There are useful chemical substances at home.](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-8.jpg)
![Classification of Household Materials • Soap - is a beneficial materials at home. - Classification of Household Materials • Soap - is a beneficial materials at home. -](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-9.jpg)
![Classification of Household Materials • Detergents - are in liquid or solid forms - Classification of Household Materials • Detergents - are in liquid or solid forms -](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-10.jpg)
![Classification of Household Materials Other Useful Substances üSugar üSalt üCooking oil üVinegar üAdditives üPreservatives Classification of Household Materials Other Useful Substances üSugar üSalt üCooking oil üVinegar üAdditives üPreservatives](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-11.jpg)
![Classification of Household Materials Other Useful Substances • Additives - are substance that are Classification of Household Materials Other Useful Substances • Additives - are substance that are](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-12.jpg)
![Classification of Household Materials Other Useful Substances • Preservatives - are materials used to Classification of Household Materials Other Useful Substances • Preservatives - are materials used to](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-13.jpg)
![Classification of Household Materials Other Useful Substances • Wood – it is very useful Classification of Household Materials Other Useful Substances • Wood – it is very useful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-14.jpg)
![Classification of Household Materials Other Useful Substances • Medicine – are chemical used to Classification of Household Materials Other Useful Substances • Medicine – are chemical used to](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-15.jpg)
![Classification of Household Materials Harmful Substances • There are harmful chemical substances at home. Classification of Household Materials Harmful Substances • There are harmful chemical substances at home.](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-16.jpg)
![Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-17.jpg)
![Classification of Household Materials Useful and Harmful Substances Pesticides / insecticides - are useful Classification of Household Materials Useful and Harmful Substances Pesticides / insecticides - are useful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-18.jpg)
![Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-19.jpg)
![Classification of Household Materials Useful and Harmful Substances Ex. Plastic - most common synthetic Classification of Household Materials Useful and Harmful Substances Ex. Plastic - most common synthetic](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-20.jpg)
![Classification of Household Materials Useful and Harmful Substances Ex. Plastic - but plastic affects Classification of Household Materials Useful and Harmful Substances Ex. Plastic - but plastic affects](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-21.jpg)
![Classification of Household Materials Useful and Harmful Substances Paint - paint is useful - Classification of Household Materials Useful and Harmful Substances Paint - paint is useful -](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-22.jpg)
![Classification of Household Materials Useful and Harmful Substances Paint - paint make houses, buildings Classification of Household Materials Useful and Harmful Substances Paint - paint make houses, buildings](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-23.jpg)
![Summary There are common household materials. These are material are grouped as housekeeping materials, Summary There are common household materials. These are material are grouped as housekeeping materials,](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-24.jpg)
- Slides: 24
![Recognizing Useful and Harmful Materials Recognizing Useful and Harmful Materials](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-1.jpg)
Recognizing Useful and Harmful Materials
![Everything around us is Matter The soil in the farm • Everything around us is Matter. - The soil in the farm ,](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-2.jpg)
• Everything around us is Matter. - The soil in the farm , - the water in the river and sea, - the air we breathe.
![Matter has different properties that make them different from one another • Matter has different properties that make them different from one another](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-3.jpg)
• Matter has different properties that make them different from one another
![Some types of matter have properties that make them good materials for • Some types of matter have properties that make them good materials for](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-4.jpg)
• Some types of matter have properties that make them good materials for producing useful products. • Other types have properties that make them harmful. • Sometimes matter also undergoes changes that affect their properties
![In this topic you will learn how to identify the different properties of In this topic , you will learn how to identify the different properties of](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-5.jpg)
In this topic , you will learn how to identify the different properties of matter that can help us determine whether it is harmful or usefull
![Useful and Harmful Substances There are substances that are useful harmful or Useful and Harmful Substances • There are substances that are useful , harmful, or](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-6.jpg)
Useful and Harmful Substances • There are substances that are useful , harmful, or both useful and harmful, depending on how they used.
![Common Household Materials Have you observe different materials commonly used at home Common Household Materials • Have you observe different materials commonly used at home? •](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-7.jpg)
Common Household Materials • Have you observe different materials commonly used at home? • What does your Mom use for cooking? • For cleaning? • For gardening? • How about you Dad use for repair?
![Classification of Household Materials Useful Substances There are useful chemical substances at home Classification of Household Materials Useful Substances • There are useful chemical substances at home.](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-8.jpg)
Classification of Household Materials Useful Substances • There are useful chemical substances at home. Ex. Bath soap, shampoo conditioner, perfume cologne, hair spray and other used for hygiene and care
![Classification of Household Materials Soap is a beneficial materials at home Classification of Household Materials • Soap - is a beneficial materials at home. -](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-9.jpg)
Classification of Household Materials • Soap - is a beneficial materials at home. - it is made of fat and alkali. - it is Antiseptics • Antiseptics – are substances that prevent the growth of microorganism that cause infection.
![Classification of Household Materials Detergents are in liquid or solid forms Classification of Household Materials • Detergents - are in liquid or solid forms -](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-10.jpg)
Classification of Household Materials • Detergents - are in liquid or solid forms - it is Antiseptics - stronger than soap - but they both used in cleaning dirty • Antiseptics – are substances that prevent the growth of microorganism that cause infection.
![Classification of Household Materials Other Useful Substances üSugar üSalt üCooking oil üVinegar üAdditives üPreservatives Classification of Household Materials Other Useful Substances üSugar üSalt üCooking oil üVinegar üAdditives üPreservatives](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-11.jpg)
Classification of Household Materials Other Useful Substances üSugar üSalt üCooking oil üVinegar üAdditives üPreservatives And other Condiments used for cooking
![Classification of Household Materials Other Useful Substances Additives are substance that are Classification of Household Materials Other Useful Substances • Additives - are substance that are](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-12.jpg)
Classification of Household Materials Other Useful Substances • Additives - are substance that are needed to give better flavor and texture to foods.
![Classification of Household Materials Other Useful Substances Preservatives are materials used to Classification of Household Materials Other Useful Substances • Preservatives - are materials used to](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-13.jpg)
Classification of Household Materials Other Useful Substances • Preservatives - are materials used to prevent food from spoiling easily. These are: - Salt, vinegar and sugar
![Classification of Household Materials Other Useful Substances Wood it is very useful Classification of Household Materials Other Useful Substances • Wood – it is very useful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-14.jpg)
Classification of Household Materials Other Useful Substances • Wood – it is very useful in making furniture and for cooking
![Classification of Household Materials Other Useful Substances Medicine are chemical used to Classification of Household Materials Other Useful Substances • Medicine – are chemical used to](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-15.jpg)
Classification of Household Materials Other Useful Substances • Medicine – are chemical used to treat and prevent diseases. – they come in tablet, liquid, or capsule forms – prescribe by doctors must only be taken
![Classification of Household Materials Harmful Substances There are harmful chemical substances at home Classification of Household Materials Harmful Substances • There are harmful chemical substances at home.](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-16.jpg)
Classification of Household Materials Harmful Substances • There are harmful chemical substances at home. Ex. Spoiled food Most types of food poisoning cause one or more of the following signs and symptoms: 1. Nausea. 3. Watery or bloody diarrhea. 2. Vomiting. 4. Abdominal pain and cramps. 5. Fever.
![Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-17.jpg)
Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful at the same time. Ex. Pesticides / insecticides - are the materials used for killing or eradicating harmful organisms.
![Classification of Household Materials Useful and Harmful Substances Pesticides insecticides are useful Classification of Household Materials Useful and Harmful Substances Pesticides / insecticides - are useful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-18.jpg)
Classification of Household Materials Useful and Harmful Substances Pesticides / insecticides - are useful for killing insects and pest like cockroaches, mosquitoes, bed bugs, and rats - Insecticides are poisonous if swallowed.
![Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-19.jpg)
Classification of Household Materials Useful and Harmful Substances Some matter are useful and harmful at the same time. These are Synthetic Materials - materials that are produced with the use of chemicals. - carbon, hydrogen, oxygen, and nitrogen.
![Classification of Household Materials Useful and Harmful Substances Ex Plastic most common synthetic Classification of Household Materials Useful and Harmful Substances Ex. Plastic - most common synthetic](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-20.jpg)
Classification of Household Materials Useful and Harmful Substances Ex. Plastic - most common synthetic materials. - use for making containers - most materials today are made of plastic
![Classification of Household Materials Useful and Harmful Substances Ex Plastic but plastic affects Classification of Household Materials Useful and Harmful Substances Ex. Plastic - but plastic affects](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-21.jpg)
Classification of Household Materials Useful and Harmful Substances Ex. Plastic - but plastic affects human health. Toxic chemicals leach out of plastic and are found in the blood and tissue of nearly all of us. - Exposure to them is linked to cancers, birth defects, impaired immunity, endocrine disruption and other ailments
![Classification of Household Materials Useful and Harmful Substances Paint paint is useful Classification of Household Materials Useful and Harmful Substances Paint - paint is useful -](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-22.jpg)
Classification of Household Materials Useful and Harmful Substances Paint - paint is useful - but the smell of paint can cause headache and dizziness.
![Classification of Household Materials Useful and Harmful Substances Paint paint make houses buildings Classification of Household Materials Useful and Harmful Substances Paint - paint make houses, buildings](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-23.jpg)
Classification of Household Materials Useful and Harmful Substances Paint - paint make houses, buildings and any infrastructure look attractive and colorful and to prevent the formation of rusts. - but the smell of paint can cause headache and dizziness.
![Summary There are common household materials These are material are grouped as housekeeping materials Summary There are common household materials. These are material are grouped as housekeeping materials,](https://slidetodoc.com/presentation_image_h/17d0d791adf5a5ab21799fbdfd0a91ec/image-24.jpg)
Summary There are common household materials. These are material are grouped as housekeeping materials, which includes soaps, detergent, disinfectants, pesticides, food preservatives and additives. • Some materials used as medicines which treat and prevent diseases. • Other are synthetic materials • • All of this are useful in many ways. They must be used properly to avoid of their harmful effects.
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