Plant life cycle coloring page students can use these free life cycle of a plant worksheets to learn all about the stages of a plant. This term refers to the fact that it encompasses a single generation of organisms whose cells are haploid i. From the red giant stage, a dwarf or mediumsized star like our sun slowly cools off. What will be the final stage of evolution black dwarf, neutron star, or black hole for each of. Life cycle of a star a star is born worksheet name. The table shows the lifetimes of stars as a function of their masses. Whether it was a massive star some 5 or more times the mass of our sun or whether it was a low or. The first file is a straight forward powerpoint that explains the different stages.
Scatter them and lay them out on a desk or stick them. If youre behind a web filter, please make sure that the domains. But there are different kinds of stars in different stages of life all over the universe. This download includes the 12 vocabulary cards and a 2 page diagram o. Life cycles of the stars if youre seeing this message, it means were having trouble loading external resources on our website. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A star remains on the main sequence as long as it can fuse hydrogen into helium in its core. About 90% of total lifetime spent on main sequence stable energy generation during this phase. Stage 1 stars are born in clouds of gas and dust called nebulas. What happens next in the life of a star depends on its initial mass. On the right of the illustration is the life cycle of a massive star 10 times or more the size of our sun.
All stars evolve the same way up to the red giant phase. If you continue browsing the site, you agree to the use of cookies on this website. The life cycle of a star by cindy grigg 1 stars are born in nebulae, vast clouds of dust and gas in space. Have your visitors act out all the stages for the lowmass star life cycle.
Star life cycle worksheet draw a line between the correct definition for each type of star or scientific term from the options below. View and share this diagram and more in your device or register via your computer. A star is born stages common to all stars all stars start as a nebula. What we know of stars are the little twinkling ones in the sky or our closest star, the sun.
Life cycle of a star everything you need to teach the star life cycle. Stars are formed in clouds of gas and dust, known as nebulae. 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. Remember all of the stages of this mainsequence, low mass star. It is classified under the family drosophilidae of. Birth comes at the beginning, as with all things, and takes place in galactic nurseries called nebulae. In the following sections, lets examine the different stages in the life cycle of a star. Leaf through this article to gain more information about this subject. Just like living things and humans, stars have a life cycle, which consists of birth, growth, development, middle age, old age, and death. Review that webb will help us study the life cycle of stars see resource below. Stages common to all stars all stars start as a nebula. Life cycle of stars notes by jennifer osinawilson on prezi.
Commonly known as a fruit fly or vinegar fly, drosophila melanogaster is one of the most prevalent flying insects. The core becomes a white dwarf a small very dense star that is typically the size of a planet. Life cycle of a star observation challenger center. 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. The product life cycle is the process a product goes through from when it is first introduced into the market until it declines or is removed from. Balancing act the core of a star is where the heat is generated. The life cycle of a star spans over billions of years. The amount of mass a star has determines which of the following life cycle paths it will take after the red. The exact lifetime of a star depends very much on its size.
Stages in the life cycle of a drosophila melanogaster. Life cycles of stars loudoun county public schools. Protostars dense cores of gas in the larger molecular cloud collapse due to selfgravity. The video shows the two stages in which a star can be made and demonstrates how. Life cycle of a star like our sun our sun is at the main sequence stage in its life. Life cycle assessment is a cradletograve or cradletocradle analysis technique to assess environmental impacts associated with all the stages of a products life, which is from raw material extraction through materials processing, manufacture, distribution, and use. Life of a star star life cycle game learning outpost. It is about halfway through its life, in a stage known as main sequence. Nuclear reactions at the centre or core of stars provides enough energy to make them shine brightly for many years. Read and learn for free about the following article. Massive stars transform into supernovae, neutron stars and black holes while average stars like the sun, end life as a white dwarf surrounded by a disappearing planetary nebula. The remaining core thats 80% of the original star is now in its final stages. Stages include introduction, growth, maturity and decline and are explained in detail here. It isnt very big and is only one of a massive amount of stars in the universe.
Then discuss that a star also goes through a life cycle. A star of one solar mass remains in main sequence for about 10billion years. 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. The life cycle characteristic of bacteria is termed haplontic. The life cycle of a star consists of a number of welldefined stages.
The star expands to larger than it ever was during its lifetime a few to about a hundred times bigger. Science introduction to the life cycle of stars free. Over millions of years, gravity causes the hydrogen gas to collect in a cloud. Scientists observe many different stars at various stages, starting with the earliest condensations from clouds of nebular gas and dust. The product life cycle stages are 4 clearly defined phases, each with its own characteristics that mean different things for business that are trying to manage the life cycle of their particular products. Pair these activities up with a classroom experiment growing your own plants in. Life cycle assessment an overview sciencedirect topics. Stars form when gravity overcomes thermal pressure. All the stars remain in main sequence for a long time. Once the core h fuel is gone, the star evolves rapidly off the mainsequence, spending much of the remaining. 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. The life of a star if youre seeing this message, it means were having trouble loading external resources on our website. Stage 6 the helium core starts to contract further and reactions begin to occur in a shell around it. Life cycle of a star with greater mass than our sun massive stars go through the same life stages as our sun just on a larger scale upto the main sequence stage, then the massive stars expand into a red supergiant, explode into a supernova, then turn into a black hole or a neutron star.
Tife cycle of drosophila melanogaster comprises four successive stages, namely, egg, larva, pupa, and adult. Life cycle of a star worksheet a star is born stages common to all stars all stars start as a nebula. Very large, massive stars burn their fuel much faster than smaller stars and may only last a few hundred thousand years. Life cycle definition of life cycle by merriamwebster. Gravity can pull some of the gas and dust in a nebula together. Main sequence stars fuse hydrogen to form helium, releasing enormous amounts of energy. Main sequence stars once the star has ignited, it becomes a main sequence star. However, their life cycles start to differ after the red giant phase. Stellar evolution is the process by which a star changes over the course of time. Stars, much like humans, grow and change through stages of life. Life cycle of a star activities teaching resources. Compared to every other star, our sun is rather insignificant. Stars similar to our sun will have a different fate than massive and supermassive stars. The life cycle of stars just like living things and humans, stars have a life cycle, which consists of birth, growth, development, middle age, old age, and death.
Additionally, if you would like all of the resources together in a pdf document, that can be accessed as a complete resource here. As more and more gas is pulled into the cloud, it begins to spin. The burning of hydrogen stops the gas cloud from shrinking. Stellar evolution is the theory of the life cycle of stars.
Each lesson plan follows the 5e model and provides you with the exact tools to teach the concept. All of the guesswork has been removed with this no prep lesson. A set of two cut and paste, colouring and labelling activities designed for students studying the stages in the life cycle of a star. We create diagrams of the life cycle of a star and include these vocabulary cards as part of the display. Allstars, irrespective of their size, follow the same 7 stage cycle, they start as a gas cloud and end as a star remnant. The life cycle of a star powerpoint linkedin slideshare. Compare your life cycle cards and complete a chart of a stars life. Life cycle of a star stars are formed in clouds of gas and dust, known as nebulae. A white dwarf is formed when a lowmass star has exhausted all its central nuclear fuel and lost its outer layers as a planetary nebula. Like lowmass stars, highmass stars are born in nebulae and evolve and live in the main sequence. Life cycle definition is the series of stages in form and functional activity through which an organism passes between successive recurrences. A protostar is the earliest stage of a star s life. Average stars the life of a star of about one solar mass.
Which star below would most likely supernova into a black hole. Red giant the forth stage in a low mass stars life, after the star has used up all its hydrogen, it starts to cool and expand in an effort to start fusing helium atoms. It takes about 10 billion years to consume all the hydrogen in a main sequence star. The life cycle of a star a gas cloud, if big enough, starts to shrink. The density and temperature increase so nuclear fusion can start. Whether it was a massive star some 5 or more times the mass of our sun or whether it was a low or medium mass star about 0. The onegenerational life cycle of the higher animals is diplontic. There is an attached table with the phases of the star cycle. After completing the unit students will be able to describe the l. This stage is spent fusing hydrogen into helium in the core of the star. Once the temperature is high enough in a stars core, hydrogen atoms begin nuclear fusion to helium.