LESSON OBJECTIVES
Identify and describe various properties of materials.
Differentiate between useful and harmful properties of materials.
Understand how these properties affect our daily lives and the environment.
SUCCESS CRITERIA
The learners are able to:
Identify the various properties of materials.
Enumerate what are the useful and harmful materials in our daily lives.
DISCUSSION
Start the discussion by doing a review through asking "What are again the general properties of matter? "Can you still recall their formulas?"
After so, the teacher will give a board work sheet regarding the properties of matter.
Right after the interaction with the class, the teacher will now start discussing the new topic for today.
In order to do that, the teacher will ask series of questions related to the new topic. The teacher will show series of pictures and let them identify what property of matter is it.
The teacher will show a picture of sponge, broken glass, copper wires, magnets and and rubber band. After gathering the answers, the teacher will then proceed in introducing the topic "Useful and Harmful Properties of Materials."
CROSS CURRICULAR
Health - taking care of our healthy by knowing its harmful and usage
REAL LIFE APPLICATION
MAKING SURE YOU KNOW THE DIFFERENT MATERIALS YOU ARE USING EVERYDAY WHETHER THEY ARE SAFE OR NOT
EVALUATION
WORKSHEET
A. Identify the special property of matter described in each statement. Write your answer in the space provided.
__________ 1. Wet piece of cloth
__________ 2. Electric wires connected to a generator
__________ 3. Forging of sword
__________ 4. Bended paper clip
__________ 5. Stretched rubber band
__________ 6. Reflection of light to a mirror
__________ 7. Rubbed hair comb that attracts pieces of paper
B. Briefly answer the following questions:
1. How are matter, materials, and products related to one another?
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2. How are materials useful in the community?
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3. How do synthetic materials differ from natural materials?
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C.
You are an entrepreneur and your job is to sell Filipino finger foods. Cook a famous Filipino finger food and pack it in an attractive bag or container. Come up with a unique name and list down the ingredients or materials you used in cooking it. Place this information as a tag on the package. Advertise the product to your classmates.