_______ has definite size, shape and has weight.

_______ materials have small holes and have the ability to absorb water. Examples are sponge, cotton and cloth.

_______ materials do not allow water or air pass through its body. Examples are plastic, glass and metal spoon.

_____ means to fall to the bottom of water.

______ means to stay at the top of the water.

It means to be slowly destroyed into bits in the presence of water, air and soil. Examples are spoiled food and over-ripped fruits.

Not all plants and animals decay at the same time. Some were compressed under water or underground over million of years and are converted into ______ such as coal, oil or natural gas.

The organic matter in soil is derived from plants and animals and become ___________.

Some leftover foods were kept in_________ to avoid or delay decay or spoilage since microorganisms that break down food do not grow fast in cold temperature.

______________ are illness that affect a person, animal or plant. It is a condition that prevents the body or mind from working normally.

______ are waste materials that may cause harm to one’s health or body.

________and Dengue fever are diseases caused by mosquito bite.

Dengue mosquito is also called _______.

__________ is a waterborne disease. People who drink polluted or dirty water can be infected by this disease.

_________ can also be a carrier of typhoid virus especially those that breed in the garbage place.

__________ is also a waterborne disease that can cause severe diarrhea which can cause death if not treated well.

________________should be observed properly especially in areas near dumpsites, esteros and canals. Too much exposure to garbage may cause harm to our health.

__________ such as washing of hands, taking in clean and fresh air and boiling drinking water can do good to our body.

_______is an action of doing things which can make our surrounding air, water and soil unfit to use or become dirty.

______________ are waste materials such as decayed plants, vegetable and dead animals that are recycled into fertilizers.

_________is harmful to our body. It is one thing that can seriously affect our health.

Exposure to _____________ especially garbage and dead animals can cause or make people sick.

Making ________is one way of disposing garbage properly. Waste materials that are made into _________are not harmful to anyone’s health and safety.

_______________are classified according to their uses. They are classified as food products, medicine, personal care, cleaning products and pesticides.

1. People can protect oneself and other members of the family from the household materials by __________.

______ are found in all products we are using to ensure the safety of the user. They contain important things we need to know when using the product.

________ as well warn possible dangers and it also describe the proper way of storing the product. They also tell us the nutrients and components of the product we are using.

______ materials are materials that are capable of being slowly destroyed and broken down into very small parts through natural process.

It is a technique or procedure which utilizes waste factories returnable, fertilizers, feeds, fermentable, fuels, fine crafts and filling materials. It is also called multi-F’s Recycling Scheme.

_______ is collecting, processing and manufacturing materials instead of throwing them away. Recycling lessen the amount of garbage we have to dispose.

1. Waste should NEVER be disposed down sinks, drains or drainage, lavatories, ditches, near wildlife habitat or ponds and even in any body of water.

Products to be disposed SHOULD BE MIXED together and containers should be clearly labeled.

1. Separate or ________ materials into bio-degradable and non bio-degradable wastes. Non bio-degradable materials can be recycled or can be made into new product which can be used again.

_____ materials can be tubes or bottles of shampoo and conditioner, leftover food, plastic containers, softdrink bottles, disposable food containers and others.

Materials found in _______are packing materials, empty cartridge, empty boxes, blades, cutter, white papers and others.

___ materials considered as wastes are empty boxes, cardboard, broken pieces of writing materials, old newspapers, crumpled pieces of paper and others.

In ______, disposable syringe, razors, gloves, needles, bandages and other medical wastes are classified as waste or disposable materials.

Sharp objects like broken glasses or jalousies must be placed in_____ and should be taped before disposing it in a trash can.

1. Never touch waste materials with bare hands. Use appropriate equipment in sorting waste materials to avoid puncture from sharp objects or use _____.

______ non-decaying waste materials such as plastic bottles. They can be made into decorations and pots.

Generate income by __ old newspapers, cardboard, cartolinas, manila papers and bond papers and other materials which are not recyclable or those that cannot be used again.

_____ plastic bags.

A ___ has definite size, shape and volume. You can hold it with your hands and you can change its physical properties such as size, shape, color, texture, weight and other characteristics in many ways.

___ materials can be changed through many ways such as cutting, tearing, twisting, bending, stretching, pressing, coloring, crumpling, melting and in other ways.

Solid materials can be changed through many ways. Such actions can change the __, __, __, __ and other characteristics of solid materials.

Is there a new material formed when you bend a solid material?

When solid materials are changed in many ways like cutting, etc., only their physical appearance/characteristics have changed. NO NEW MATERIAL IS FORMED.

Solid materials can be pressed. When pressed, these materials may change their ___, ____, and even its _____.

A _____ is a tool usually consist of a solid head and a handle at its end. It is used for beating / striking or pounding materials or objects.

Which among the following is NOT and example of a sophisticated cutter to cut iron and steel?

When materials are heated, they change their size, shape and texture. They also change their ______.

When heated, the solid materials change into ___ materials.

When cooled, the liquid materials change into ____.

Which among the following materials DOES NOT become liquid when heated?

Which of the following materials are NOT dissolved completely in some liquids?

Which is an example of USEFUL CHANGES in the materials that are useful to the environment?

Polluted land becomes ______ for cockroaches, flies, mosquitoes and rats.

Will plants grow and flourish in polluted land?

Which of the following is NOT a result caused by polluted air?

5R’s means Reduce, Re-use, Recycle, Repair and ____.

The smoke and toxins that enter the air also contribute to the ___________ and global warming.

____ affects the quality of air that we breathe, can cause a rapid change in temperature, and rain levels are severely affected.

_______ is cutting down of trees without replacing it.

___ is the illegal cutting of trees done without permission and is prohibited by the government.

_____ is planting of trees to replace the cut down trees caused by illegal logging and deforestation.

Which among the 5R's is shown in the situation?

"We need to buy items in refillable containers. We have to use cloth bag or Eco bag, paper bag or native basket instead of using plastic bag."

Which among the 5R's is shown in the situation?

"Donate or sell reusable items. Use both sides of paper when printing or re-use as scratch paper or something to be wrapped. Buy durable food storage boxes or containers instead of using foil or plastic wrapper."

Which among the 5R's is shown in the situation?

"Use bottles, tin cans, rubber tires into useful materials. Non-biodegradable materials can be recycled into new product that we can use for the second time."

Which among the 5R's is shown in the situation?

"Repair appliances, office equipment, furniture, lighting fixtures and automotive parts instead of buying new ones."

Which among the 5R's is shown in the situation?

"Build compost pile to let decaying materials and other biodegradable materials become compost and turn into an organic fertilizer."