STELLAR EVOLUTION LAB- THE LIFE-CYCLE OF A STAR INSTRUCTIONS: 1) Read about the life-cycles of average-sized and massive stars below. Interactive Lab. 2) Cut out the photos of the different objects and assemble them into a diagram of the life-cycle of the star. It produces its own heat and light by nuclear reactions. August 22, ... A Complete Lesson/Lab Using the Star Circle Manipulatives. Hertzsprung-Russell Diagram. Interactive Lab: End of their life cycles. Stars are formed in clouds of gas and dust, known as nebulae. H-R diagrams which show how a star changes or evolves during its stellar life. An Interactive and Engaging Solution to the Hertzsprung-Russell Diagram. H-R Diagram and Star Life Cycles. Average Star: Our Sun is an average star that formed from a nebula. Since our educational film shows a representative who is supermassive, the finale of the fusion results in the nucleus collapsing and exploding in a Type II supernova. What is a nebula? Star Life Cycle <- your first lab link Follow through the activity. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. This activity shows what happens to different size stars at the beginning of their life cycles. 2. Students should have a basic understanding of how to read an HR diagram as well as the different classifications of stars. In the life cycle of a star, the end depends strongly on its mass. This battle between gravity pulling in and gas pressure pushing out will go on over the entire life span of the star. 3) Include temperature and brightness from the chart in your diagram 4) Answer the questions at the end Lab 11 â H-R Diagram. If the neutron star is more than about three solar masses then the pressure exceeds the neutron degeneracy pressure. 1. ... the relationship between fusion and the life cycle of a star, and how our Sun compares to other stars. Interactive Lab Life Cycle of a Star. For each star mass, write the sequence of events in their lifes. An interactive 3D visualization of the stellar neighborhood, including over 100,000 nearby stars. Definitions: Nebula: A huge cloud of gas and dust that begins to shrink under the pull of its own gravity. This digital interactive lab uses a free web-based resource to get students thinking about how stars progress through a life cycle. Results from the HR Lab activity: Will: 1) The majority of a starâs life cycle is spent as a main sequence star. Lab 11 - Stars Directions: Use the links provided below to answer each of the questions. What is the main determining factor as to whether a star ends up as a black dwarf, neutron star or black hole? Part 1 â Life cycle of a star 1. Answer each of the following questions with at least one paragraph. Small Star: Low Mass: Medium Mass: Massive: Click on the next (>) arrow at bottom of page. What remains in the case of our star ⦠Don't forget to click on the interactive links to see videos and demonstrations. The exact lifetime of a star depends very much on its size. Search for: H-R Diagram and Star Life Cycles. How does it contribute to the birth of a star? This stellar nebula is the beginning of all stars' lives. Created for the Google Chrome web browser. 25. Hint: Read the top bar as the star moves to its end. 26. This is an interactive lab based on the Hertzsprung-Russell Diagram, which we discussed previously. HR Lab Activity. Scroll down to the . The H-R diagram can be used to study and understand how a star will evolve during its life cycle. Life Cycle of a Star: 01/04/12. 3,840°K (cooler) 7,300°K. Based on the diagram, how do all stars start?
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