ROLLER COASTER: ENERGY

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What is kinetic energy, potential energy, acceleration, and gravity? How does it apply in roller coasters?

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1) Is energy part of your life? Can you give examples of kinetic energy and potential energy that you already experience in your daily life?

2) If you are to invent an entertainment structure like the roller coaster, what will you make that will show kinetic and potential energy?

STEEL...AN ALLOY

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Steel is an alloy (combination of iron and carbon elements). This is an alloy that had been in used in so many ways that benefit a lot of people.

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1) Imagine a world without tall buildings, without long bridges or cars. Can you imagine the world without steel? How important is steel for you?

2) If you have the skill to combine elements, what alloy are you making? What are its characteristics and uses? How can you use it to help other people?