There are many forks in the road in the life of a star. Scc gk12 lesson plan stellar nucleosynthesis and the. Kinesthetic life cycle of stars fairmont state university. If our cosmic connection activity is used as a performance task, postassessment or as a presentation, then a scoring rubric is an appropriate assessment of student performance. Shortperiod stellar activity cycles with kepler photometry. They follow a pattern similar to many of the life cycles we see here on earth.
Now called inqua, a ball within a ball, or womb of vapour. I can use it to answer a number of specific questions. Sun full of life nuclear fusion at the core at full swing. Star evolution in this lesson students will investigate the evolution of. Go to the interactive lab end of their life cycles 23. Students perform as members of an interview with our sun at the end of its starlife, in the white dwarf stage. Students should understand what a star is in broad terms before starting this activity. Star life cycle web activity millersburg area school. Stellar activity is a key factor of space weather and a valuable information channel on.
Gravity, as it always does, tries to pull the materials together. Stellar life cycle stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Stellar life cycles university of california, berkeley. As stars progress through life, their size, luminosity and radial temperature change according to predictable natural processes. Then discuss that a star also goes through a life cycle.
State that stars above a certain mass end their lives in a supernova. Depending on the mass of the star, its lifetime can range from a few million years for the most massive to trillions of years for the least massive, which is considerably longer than the age of the universe. Thomas swan is a published physicist who received his ph. The star circles and the lesson i created from the materials kept students active and engaged for an entire block. Note where this web site is missing images and locate some and put in your description, along with the web address. Results from the beginning of the star life cycle activity. Please click on the document you would like to download.
Very large, massive stars burn their fuel much faster than smaller stars and may only last a few hundred thousand years. Life cycle of stars handout govdocslifecycleshandout. Chapter 4 multiwavelength galaxy cards lab activity astronomy. An interactive and engaging solution to the hertzsprung. A star forms when a dense cloud of gas collapses until nuclear reactions begin deep in the interior of the cloud and provide enough energy to halt the collapse.
Answer the following questions based on information contained on the website. Khodachenko1 and helmut lammer space research institute, austrian academy of sciences, schmiedlstrasse 6, a8042 graz. This is the round or spherical age of the suns vortex, the last or end of the suns stellar life planetary nebula. The material is presented in the context of stars, as all chemical elements are formed in stars and supernova explosions. Stellar evolution lab the life cycle of a star worksheet. This complete lesson plan is ready to print and teach. Nuclear reactions at the centre or core of stars provides enough energy to make them shine brightly for many years. The milky way galaxy contains several hundred billion stars of various ages, sizes and masses. Name the major stages of a stars life cycle, in order, for several masses of star. This section will describe those changes, focusing on the life cycle of the sun. Life cycle of stars information chart at the end of this lesson. Students will be able to demonstrate and predict the sequence of events in the life cycle of a star. Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime.
The mass of a star determines a great deal about its temperature and life span. Read and learn for free about the following article. Begin by asking students if all stars are the same. Video using computer simulation to explain life cycle of a star. Describe the relationship between a stars mass, its age, and its position on the hertzsprungrussell diagram. Many of the stellar types identified are really similar stars at different points in their evolution. This lesson may be used as part of an earth science or introductory chemistry class. This activity is an opportunity for students to apply their knowledge and understanding of the gas law, conservation of energy, and forces to stellar evolution. It also explains how many objects and concepts are related, and how some astronomical events cause others. This is one activity from the life cycle of a star station lab. You are to take a stellar remnant topic listed in chapter 15 and use the learning objectives related to work up a project that explains the topic. Lesson plan, worksheet, virtual manipulative, project. Review that webb will help us study the life cycle of stars see resource below.
Stellar evolution is the process by which a star changes over the course of time. The main activity consists of modeling atoms through alpha fusion processes, which provides a uniquely tangible understanding for the students. The life cycle of a star a gas cloud, if big enough, starts to shrink. The stellar furnace causes the remaining protons h to slam into each other. Life cycle of a star lab save yourself a ton of time and allow students to use this station lab to explore the life cycle of a star. The burning of hydrogen stops the gas cloud from shrinking.
Aug 22, 2015 the hertzsprungrussell diagram lessons. Eventually, enough gas and dust has been collected into a giant ball. Shortperiod stellar activity cycles with kepler photometry oleksiy v. Place the images in sequence on a hertzsprungrussell diagram. Free recording sheet for the life cycle of a snowman created by lauren lynes at teacherspayteachers heres a terrific activity on changing states of matter called the life cycle of a snowman. Once enough gas has been collected, the gravitational force becomes so strong that hydrogen atoms fuse into helium through nuclear. Download lives of stars activity including the handout pdf, 1. I have found that students of all levels have a difficult time fully comprehending the idea that a stars life cycle is determine by how much nebula dust and gas it starts with. The life of a star if youre seeing this message, it means were having trouble loading external resources on our website. A stars life is long compared to that of a human, but we can see the stages of stellar birth, aging, and death in the heavens.
Basics of star formation and stellar nucleosynthesis. Discover the life cycle of stars and when supernovae happen with this activity and. Abstract in this thesis we study several aspects of dynamical evolution of stellar clusters. An information and activity booklet grades 912 19971998 imagine the universe. Stars evolve over billions of years, but new stars are constantly being born, so there are always stars of all ages. Make a list of things that might vary between stars. Classify pictures of big stars from birth formation to stellar death and write a detailed description of how you determined this sequence. These giant gas clouds in space are mostly hydrogen gas. Work in your table groups to answer the questions using your netbooks. In the stellar life cycle, a main sequence star is equivalent to an adult human, therefore, as. The density and temperature increase so nuclear fusion can start. These are pictures of the formation sequence of really big stars.
Stellar evolution is a major standard in the california state science standards. Spectral lines are atom specific as to the pattern produced on the spectrum. This lab will allow you to gain experience with measuring stellar spectral lines to identify the elements that are being created in stars. By the end of the lab they will be able to describe where stars come from, how they are created, what determines the path they take, and draw the life cycle diagram. This little science activity teaches the states of matter while incorporating snowmen. Depending on the mass of the star, this lifetime ranges from only a few million years for the most massive to trillions of years for the least massive, which is considerably longer than the age of the universe. In these handson and starry night computer exercises, your students will explore the nature of stars.
Introduction to stellar evolution, their source of energy and the life cycle of stars. Lesson plan g2 the stars introduction we see the stars as tiny points of light in the sky. The graph they make is so large that they have to be up and moving around to put all of their stars on the hr diagram. Star birth and life imagine an enormous cloud of gas and dust many lightyears across. Your first task is to figure out and record the correct sequence of pictures from birth formation to stellar death. Earth science, is related to the field of science called earth science. Sep 12, 2019 outlined below are the many steps involved in a stars evolution, from its formation in a nebula, to its death as a white dwarf or a neutron star. Investigating the stellar systems lifetime and the evolution of their mass function using nbody simulation masters thesis zeinab khorrami supervisor. Take a closer look at the life cycles of stars and learn where stars come from, how theyve changed, and what happens to stars when their lives come to an end. Outlined below are the many steps involved in a stars evolution, from its formation in a nebula, to its death as a white dwarf or a neutron star. Ice cube activity matter science, elementary science. Investigating the stellar systems lifetime and the.
Similar to cycles on earth the rock cycle and the water cycle stellar evolution is also a cycle a continuous cycle of change on a cosmic scale. The table shows the lifetimes of stars as a function of their masses. Stellar life cycle internet activity answers do not write on this sheet instructions. This activity will explore the processes that affect a stars structure and. Stars are formed in clouds of gas and dust, known as nebulae. Stars spend 90% of their lifetime on the main sequence, but in the last 10% of their lives, their life tracks take them to other parts of the hertzsprungrussell diagram. Activity page two unsequenced large star cycle page shows eight nasa images from the hubble space telescope.
This is the next age of the suns vortex, 34 way in its stellar life cycle. Describe the relationship between a stars mass and its life span. If youre behind a web filter, please make sure that the domains. Star in a box allows you to explore one of the most enigmatic tools in astronomy the hertzsprungrussell diagram when you first open the box you start with a star with the same mass as the sun but you can change this to a different mass at any time. For embedded comments, checks for understanding cfus, and key additional information on transitions and key parts of the lesson not necessarily included in the below narrative, please go to the comments in the following document. If youre seeing this message, it means were having trouble loading external resources on our website. A star remains on the main sequence as long as it can fuse hydrogen into helium in its core. Lives of stars activity and handout night sky network. The exact lifetime of a star depends very much on its size. Patterns of crustal activity due thursday 115 subduction zones ppt notes sandwichplatedonow qs plate boundary diagrams. State that the class will do an activity that illustrates how all of these differences are related. Spectral lines generally occur when there is an interaction between an atom and a photon. Read all of the information on each page and read information within the animation link or interactive labs.
Stellar life cycle stages stellar nebula a stellar nebula is the birthplace of stars. Overview of stellar evolution in general, the story of stellar evolution is the ongoing struggle of stars to generate internal energy in order to resist collapsing under their own selfgravity. Prior to igniting fusion and becoming a main sequence star, a contracting protostar will reach hydrostatic equilibrium at around 3,500 c. Students will be able to explain that there are different kinds of stars that we. They range in size, color, temperature, power, and life spans. A stellar life students are guided through the stages of a stars life. A few grains of dust collect a few more, then a few more, then more still. Activity instructions north carolina science festival. Students in grades 912 analyze characteristics that indicate human life cycles, and then apply these observational principles to various nasa pictures of stars to synthesize patterns of stellar life cycles. In this course you will be studying the different processes, relationships, mechanisms, and concepts that help us interpret our planet earth. Star formation stellar evolution or life cycle of a star. Refer to the table below for a summary of the stages of the life cycle of stars stellar evolution and for what actions your visitors will take. Identify the stage of stellar evolution of several images. Within this activity, students will make a visual representation of the life cycle of a massive star by associating different colored pony beads to different stages of stellar life.
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