Is the sun ever directly overhead at any time during the day throughout the year where you live. Identifying the instruments used for measuring solar radiation. On what day of the year is the sun lowest in the sky at midday. You will need one paper fastener per student for the model. If you are in sydney, australia and the date is september 22, what is the declination of the sun. You have observed the changing altitude of the sun during the day and the cyclic annual variation of the attitude of the noon sun. Geography 101 lab 1 earth sun geometry and insolation uwsp. The angle of sunlight and its effect on received solar radiation over an area. Insolation solar radiation energy is the most important factor of physical weathering, especially in arid region dry climate, i.
The following answers are determined using boulder, co in may as an example. 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. How latitude, elevation, and local geography affect climate. When you click on start, what happens to each of the three windo. Solar radiation and seasons spectrum of radiation intensity and peak wavelength of radiation solar shortwave radiation. On what day of the year is the sun highest in the sky at midday. What are the factors affecting the distribution of insolation. Angle of incidence and relative insolation at 0, 30, and 60 latitudes. After you complete a step or answer a question, place a check mark in the box next to that step. Solar power activity solar power energy estimation worksheet answers solar power energy estimation worksheet answers. Questions relate to seasonal changes in angle of insolation, duration of insolation, and location of direct rays.
Earth sun geometry and insolation practice questions. D the intensity and angle of insolation are greatest on march 21. Secondly, the suns rays with small angle, traverse more of the atmosphere, than rays striking at a large angle. Eighth grade lesson intensity and angle of insolation lab. When the sun is up, solar insolation is greater than zero. The angle of the sun has a major effect on climate and is therefore of immense interest to climatologists and meteorologists. The angle of insolation, from 0 0 at the horizon to 90 0 directly overhead zenith, has a direct effect on the intensity of. Sunearth kinematics, the equation of time, insolation and the solar analemma phil lucht rimrock digital technology, salt lake city, utah 84103 last update. Importance of angle of insolation on climate and the relationship between angle and intensity and temperature 20. Lab angle of insolation earth science resources, lab. They describe how the angle of insolation varies in one day, in one year, at different points in the earth. Introduction to atmospheric science insolation and the. Insolation is the solar radiation that reaches the earth s surface.
This worksheet has 22 earth science regents questions about intensity of insolation. You would also observe changes in the angle of insola. Additionally, if you would like all of the resources together in a pdf document, that can be accessed as a complete resource here. It means the amount of the suns energy that reaches earth at a given place and time. In this lab, students will construct a model of the earth and the sun to help them determine the relationship between the seasons and the angles of insolation at different latitudes. You should be able to explain how sun angle and insolation intensity change with latitude and season. January 8, 20 maple code is available upon request. Insolation specifically applied to radiation which is arriving at earths atmosphere first and then earth surface. Constructing a model angle of insolation intensity of insolation location of direct insolation. This worksheet will help you evaluate the solar energy available at any location in the united states at a given time of year. Comparing the angle of insolation lab comparing the angle. In this lab, we investigate how the angle of the sun in the sky, or the angle of insolation, affects the intensity of insolation and the temperature of the surface of the earth. The relative intensity is a measure of the amount of insolation that is available at a given latitude relative to that at the equator.
Is the sun ever directly overhead at any time during. This is essential to teach as the units of solar insolation are in watts per meter squared energy over an area. If the intensity of insolation increases, what happens to the temperature of the object being heated. Sunearth kinematics, the equation of time, insolation and. The shaded part of the diagram shows the approximate amount of each type actually reaching earths surface. Solar angle and insolation the larger the solar zenith angle, the weaker the insolation. What angle are the suns rays at noon, when the sun is directly overhead. Insolation simple english wikipedia, the free encyclopedia. The amount of warming depends on the angle of insolation. The angle at which the suns rays strike the earth varies depending on time of day, latitude, and season. Examine the effect that sun angle has on the intensity and duration of solar radiation that any particular location receives throughout the year.
The intensity of insolation increases, as the angle of insolation gets closer to 90 degrees. You can also determine the direct component of solar radiation by the formula 1. Angle of insolation and climate gallery walk worksheet tpt. There are variations in the angle at which the suns rays strike earths surface. In this lesson, we will explore how insolation creates global wind. Comparing the angle of insolation and the heating of the earth purpose. Seasons and angle of insolation allow yourself a couple of minutes to play with both simulations prior to looking at the following questions. Assessment probe the teacher may also use the formative assessment probe included with the unit materials to check students understanding. C the intensity of insolation is greatest on march 21 and the angle of insolation is greatest on june 21. The diagram shows the types of electromagnetic energy given off by the sun. In the morning the rising suns rays hit the earth at a slant. Students will be required to make observations and inferences based on the information found at each station. Longer the path of suns rays, greater is the amount of reflection and absorption of heat by. The angle of insolation is always smaller near the north and south poles which results in colder temperatures.
Place a piece of graph paper on a table or other flat surface and tape it down so that it will not move. Angle insolation for teachers 9th 12th in this science worksheet, high schoolers look for the answers that are related to the concept of insolation and measuring different angles. What region of the earth would receive sunlight at this angle. Graph paper pencilpen or marker flashlight background.
If the duration of insolation is long what happens to the temperature for a given location. Hartmann, in global physical climatology second edition, 2016. It all starts with the sun, where the fusion of hydrogen creates an immense amount of energy, heating the surface to around 6000k. Energy and the angle of insolation lesson plan for 8th 10th. 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. Understanding the effects of the earths movements and atmospheric. Students examine the relationships between angle of incidence and energy.
May 05, 2020 the angle of the sun has a major effect on climate and is therefore of immense interest to climatologists and meteorologists. Glue a piece of black construction paper to the surface of the. This gallery walk makes use of graphics, text, and climate data to show students the effects of the angle of insolation solar radiation on climate. You should be able to calculate the noon sun angle of a place during the solstices and equinoxes. The heat is derived from solar energy, normally called solar radiation. This energy and the angle of insolation lesson plan is suitable for 8th 10th grade. Which angle showed the greatest increase in temperature. Factors affecting insolation there are six main factors that affect the intensity of radiation received at the earths surface.
The intensity of insolation decreases with an increase in latitude. Part 1 make the solar panel and test it at 90 insolation. Identify and understand the factors that affect temperature and insolation 1. Introduction to atmospheric science insolation and the earth. Determine total insolation on a panel navigate to the next sheet titled insolation figure 6, whose purpose is to calculate the amount of solar energy. Eighth grade lesson introduction to insolation betterlesson. Solar zenith angle solar zenith angle is the angle at which the sunlight strikes a particular location on earth. The air mass is the proportion of how much of the atmosphere the sunlight has to travel at the single moment and how much atmosphere the sunlight would have to pass through if the sun was directly overheard. Geography 101 lab 1 earth sun geometry and insolation. To observe the effect that angle if incidence has on solar insolation.
This angle is 0 when the sun is directly overhead and increase as sun sets and reaches 90 when the sun is on the horizon. Insolation is the amount of incoming solar energy over an area per unit of time, which is unevenly distributed on the earth. As the elevation angle decreases, the area over which the radiation is distributed increases. Introduction to atmospheric science insolation and the earths surface. Which angle showed the least increase in temperature. Pencil three pieces of graph paper 12 inch ruler tape procedure. Take a quick interactive quiz on the concepts in insolation. In the previous topic, we learned that the earths seasons are controlled by changes in the duration and intensity of solar radiation or insolation. How latitude affects temperature latitude affects temperature due to two main factors a. Fold the sheet of paper with the protractor drawing in three along the dotted lines. If the sun is low in the sky, the air mass number will be greater than 1 since the angle causes the sun to pass through more atmosphere, resulting in a loss of solar insolation. The larger the area upon which the beam is spread out, the lower the a b c 60 n 30 n 0 s u n figure 2. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Agriculture, architecture, health, and energy generation are among the many fields in which angles of insolation are taken into account and accounted for, especially in climates to the extreme north and south of the globe, where the angles are small, meaning that the.
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