evidence 1. What materials called the natural absorber of water? Why? 2. What will happen to the solid materials when we cut, hammered, and pressed? Explain. 3. What happened to the ice cube in the tin can when it was put over the flame? When the tin can were heated, what can you say about its temperature? 4. How would you describe the change/s that happened to the material when heated? 5. Describe the changes in the properties of the materials when they are heated and cooled. 6. What are some precautionary/safety measures that we need to observe in handling/using hot materials during experiment? 7. Is it proper to mix all solid materials found in your kitchen? Why? What can be done to organize them properly? 8. Some changes in the materials are useful and harmful to the environment. It may pollute land, water, and air. What can you do to help prevent or minimize the effect/s of the changes of materials to the environment? Explain.​