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Why does your voice change when you inhale helium gas?

Why does your voice change when you inhale helium gas?. Science, Technology, Society and the Environment (STSE). Science. A body of knowledge or facts. A way of thinking about or approaching a topic.

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Why does your voice change when you inhale helium gas?

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  1. Why does your voice change when you inhale helium gas?

  2. Science, Technology, Society and the Environment (STSE)

  3. Science • A body of knowledge or facts. • A way of thinking about or approaching a topic. • Asks questions that aim to increase our understanding of the physical universe and our ability to explain nature.

  4. Technology • Applied science. • A topic involving the designing and use of devices, processes, and materials to solve practical problems and to satisfy human needs and wants.

  5. Society • A group, large or small, of people in a particular place and time who are linked by common goals and interests.

  6. Environment • The natural world or ecosystem. • The area in which something exists or lives. • The complex of physical, chemical, and biological factors in which a living organism or community exists.

  7. What is STSE all about? This is an outlook on science education that emphasizes the teaching of scientific and technological developments in their cultural, economic, social and political contexts. In this view of science education, students are encouraged to engage in issues pertaining to the impact of science on everyday life and make responsible decisions about how to address such issues.

  8. Goals of STSE Education • Engaging students in examining a variety of real world issues and grounding scientific knowledge in such realities. In today's world, such issues might include the impact on society of: global warming, genetic engineering, animal testing, deforestation practices, nuclear testing and environmental legislations, such as the EU Waste Legislation or the Kyoto Protocol.

  9. Goals of STSE Education • Enabling students to formulate a critical understanding of the interface between science, society and technology.

  10. Goals of STSE Education • Developing students’ capacities and confidence to make informed decisions, and to take responsible action to address issues arising from the impact of science on their daily lives.

  11. Science or Technology? • Fat and lye when heated will make a yellow substance. (S) • Soap is a good cleaning substance; it is made from fats, oils, and lye. (T) • Neon is a colorless gas. (S) • Neon is used to make colorful signs. (T)

  12. Science or Technology? • Aluminum is a light weight metal. (S) • Airplanes are made from aluminum. (T) • A glass lens will bend (refract) light. (S) • Glass lenses are used to help make telescopes. (T)

  13. Science or Technology? Can anybody give me another example?

  14. Science or Technology? The following list represents examples of items or actions that might be classified as science, technology, both, or neither. Select three examples from the list and for each example state if you think it is an example of science, technology, both, or neither and explain why.

  15. Science or Technology? • Shopping for shoes • A Computer • Making Cookies • Photosynthesis • Planting Seeds • A Baseball • Discovering the Speed of Sound • A Factory • Playing a CD • Getting a hair cut • The Speed of Light • Chemistry • Playing the Guitar • Reading a Book • Analyzing Results • Plant Growth • Drinking a Soft Drink • RedBull • Contact Lenses • Ironing Clothes • Stone Washed Jeans

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