The table shows the lifetimes of stars as a function of their masses. I use this activity as part of an interactive notebook along with. You should be well into if not completed section 4 in the first lab session, through at least section 6 in the second lab section, and then complete the lab in the third lab session. Name the major stages of a stars life cycle, in order, for several masses of star. A prelab is due at the beginning of the second lab session i. Stellar evolution is the process by which a star changes over the course of time. Topics include water carbon nitrogen cycles, ecosystems, food web and energy pyramids and environmental science research. Read all of the information on each page and read information within the animation link or interactive labs. As the play progresses, students develop an understanding of the most fundamental concepts in stellar astronomy. Life cycle of stars cootie catchers are a great way for students to have fun while learning about the life cycle of stars. Ecosystem dynamics, functioning, and resilience hsls4. Red giant the outer layers of gas are ejected while the star s core contracts into a white dwarf.
Describe the relationship between a stars mass and its life span. From earth, there are a number of things that we can observe about stars. Gravity, as it always does, tries to pull the materials together. They will use graphing to predict years of heavy solar activity and will learn how to graph a solar active region. Neutron star composition is 98% hydrogen and helium.
The life cycle of a star consists of a number of welldefined stages. Stars begin their life as gas clouds and end as gas clouds. Lesson plan g2 the stars introduction we see the stars as tiny points of light in the sky. Next, use the data on the absolute magnitude and temperature for a massive star in table 1, to plot the location of each lifecycle stage on the blank hr diagram figure 1b. Over time, they will expand, cool and change colour to become red giants. The site also provides preposts tests, scavenger hunts, and focus questions on the assessment page of the teachers guide page.
View and download via nasa eclips website this page also includes additional related links, information, and lesson plans. You might like to combine this activity with a more traditional way of looking at hertzsprungrussell diagrams. Each lesson plan follows the 5e model and provides you wit. Review the life cycle of a star and space science vocabulary with this worksheet.
About 90% of total lifetime spent on main sequence stable energy generation during this phase. Clear animations illustrate the pressure, fusion, collapsing, and. Stars, much like humans, grow and change through stages of life. There are many forks in the road in the life of a star. Review that webb will help us study the life cycle of stars see resource below.
Red giant the outer layers of gas are ejected while the stars core contracts into a white dwarf. Results from the beginning of the star life cycle activity. The life cycle of a star like the sun a star is born. The life of a star if youre seeing this message, it means were having trouble loading external resources on our website. All stars start with the fusion of hydrogen, but their life cycles vary greatly. Inside the sun is burning gases like hydrogen and helium. Students explored the life has a history web site to explore the geologic time scale, fossils, and dinosaurs. Students will correct false statements and identify each state in a stars life cycle.
A nuclear explosion caused by a growth of hydrogen onto the surface of a white dwarf star. Describe the relationship between a star s mass and its life span. They will learn that events on the sun are linked to a 11year sunspot cycle, and that those events can impact life on earth. The life cycle of a star i can describe the life cycle of a star bell ringer what type of magnitude is each definition referring to. Then discuss that a star also goes through a life cycle. They range in size, color, temperature, power, and life spans. The activity might be young for high schoolers, but you could go more in depth with the science for this age group. Sep, 2012 this informal education activity, where colored pony beads are strung on the bookmark, each representing a phase of the stars life, can be used with kids ranging from late elementary school to middle school. This activity will allow teachers to see where student misconceptions are on the topic of the life cycle of a star. The life cycles of stars planetary nebula fusion red giant white dwarf binary star spectral class hr diagram supernova core bounce nova main sequence luminosity. A nebula is an interstellar cloud of dust and plasma. Entire library worksheets third grade science how is a star born. Star life cycle worksheet draw a line between the correct definition for each type of star or scientific term from the options below.
Finally, students may need their earth science reference tables esrt for parts of the lesson a document used widely in the new york state earth science regents course. In these handson and starry night computer exercises, your students will explore the nature of stars. They have to try and learn about star life in a different way. Work in your table groups to answer the questions using your netbooks. There are a number of things that make stars appear brighter on earth. This activity is an opportunity for students to learn about the fundamental characterisitcs of stars and their life cycles. A star in the upper left corner of the diagram would be hot and bright. Eventually, enough gas and dust has been collected into a giant ball. Once the core h fuel is gone, the star evolves rapidly off the mainsequence, spending much of the remaining. A pre lab is due at the beginning of the second lab session i. I can use it to answer a number of specific questions. The path they follow beyond that depends on the mass of the star.
Read the page on the equilibrium cycle you have already completed this activity, so there is no need to do it at this time. Star birth and life imagine an enormous cloud of gas and dust many lightyears across. Star life cycle web activity millersburg area school. A star in the upper right corner of the diagram would be cool and bright. Students will be able to describe the sun as a star. A star in the lower left corner of the diagram would be hot and dim. It also explains how many objects and concepts are related, and how some astronomical events cause others.
Life cycle of a star worksheet a star is born stages common to all stars all stars start as a nebula. Go to interactive lab and click on beginning of their life cycles. Read and learn for free about the following article. The true brightness of a star if all stars were at a uniform distance from earth absolute magnitude the brightness of a. The true brightness of a star if all stars were at a uniform distance from earth absolute magnitude the brightness of a star as it appears from earth with the naked eye. Eventually, however, the hydrogen fuel that powers the nuclear reactions within stars will begin to run out, and they will enter the final phases of their lifetime. Life cycle of a star supplemental lesson no lab by kesler. If youre seeing this message, it means were having trouble loading external resources on our website. Additionally, if you would like all of the resources together in a pdf document, that can be accessed as a complete resource here. Life cycle of stars purpose this activity enables students to demonstrate the life cycles of different types of stars, thereby illustrating the rarity of black holeproducing stars. Otherwise, the complete 5e star life cycle lesson plans are herelife cycle of a star everything you need to teach the star life cycle. Birth comes at the beginning, as with all things, and takes place in galactic nurseries called nebulae.
A star remains on the main sequence as long as it can fuse hydrogen into helium in its core. 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. State that stars above a certain mass end their lives in a supernova. Star life cycle layered foldable earths atmosphere. The pbs 912 space series introduces star life cycles and explains why they vary so much. I have used this for both ocr b and aqa specs print the stages and place around the room as a circus activity students must complete the diagram as they move around the room. Gravity can pull some of the gas and dust in a nebula together. Life cycles of stars loudoun county public schools. Have you ever looked into the night sky and wondered where all those millions and million of stars come from. If playback doesnt begin shortly, try restarting your device.
Plot each of the life cycles in the correct color that the star would be based on its temperature. Students perform a play as members take the role of several different stars. Students will name life cycles that they are familiar with, create a pictograph of the life cycle of a human, and predict what the life cycle of a star might look like. Walking out the lifecycle of a star is an effective way of engaging all the class those watching will be looking for mistakes. Next, use the data on the absolute magnitude and temperature for a massive star in table 1, to plot the location of each life cycle stage on the blank hr diagram figure 1b. If you already own my life cycle of a star station lab then this is the supplemental product to purchase. A few grains of dust collect a few more, then a few more, then more still. Students will learn that the sun is a dynamic star. They follow a pattern similar to many of the life cycles we see here on earth. Name the major stages of a star s life cycle, in order, for several masses of star. Schedule this lab is designed to be completed in three lab sessions. In the following sections, lets examine the different stages in the life cycle of a star. A black hole b red giant c supernova d white dwarf e brown dwarf f protostar g black dwarf. If youre behind a web filter, please make sure that the domains.
Write the letter of the term that best matches the phrase for each question. Objectives students will understand how and when black holes form. Classify pictures of humans in order from youngest to oldest and write a detailed description of how you determined this sequence. Students create a 8 layer foldable on the star life cycle including. The sun rests approximately in the middle of the diagram, and it is the star which we use for comparison. One of the easiest things to measure is the star s brightness, or magnitude. Once the core h fuel is gone, the star evolves rapidly off the mainsequence, spending much of. This is to test your knowledge of the web activity you just completed. 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.
Please click on the document you would like to download. The sun the sun is a great ball of gas held together by equal forces. Life cycle of a star supplemental lesson no lab by. Playing directions and folding directions with pictures are included.
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