Astronomy coursework shadow stick

On a properly constructed sundial, the shadow of the Sun moves equal distances each hour. Set the board level in the open sunny area and find a way to mark its exact location and orientation, so it can be reproduced on subsequent days.

If your family continued this experiment the whole year round and connected the dots of your markings, the picture would look as follows. Have each student stand below Polaris and turn slowly counterclockwise watching how Polaris stays in one place while the other stars appear to move around it.

Pick and choose for your particular audience and age group. Lay out a large piece of paper on which to mark the length of the shadow from the meter stick.

Draw a mark on the edge of the dome and on the oaktag, so the alignment of the dome and oaktag can be checked before each observation. It may be easier to use the end of a pen to locate the position before marking it with an adhesive dot.

You can account for this somewhat by taking measurements at exactly the time of day when it is at its zenith. When the Earth is farther from the sun, the opposite happens: To assure that the full shadow fits on the cardboard, you may want to glue the stick closer to one of the edges.

Use masking tape to attach the paper to the board and make marks on the board and paper to show the exact orientation and location of the paper. An orbiting planet plowing through the stuff in a disk would slow down and later become part of the disk after being shredded like pasta and fall into the black hole with all the other stuff.

Be sure to choose a spot unobstructed by trees or tall buildings which would shade this area early or late in the day. Totality will begin at Perhaps they will recall that moss is said to grow on only one side of a tree, the shaded side.

This means that procedures reflect general practice and standards applicable at the time resources were produced and cannot be assumed to be acceptable today.

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Then with the north pole tipped away from the light, see how the sun still rises and sets every day, but doesn't come so close to being overhead. Begin early on a sunny day. When you see a nebula, the density of it is very low, but the volume of the space it occupies is enormous — thousands to millions of cubic light years.

They need to have experienced the recurring seasons a few times, and perhaps noticed although they may not have realized it that the sun is much closer to being straight up overhead at noontime in the summer than it is during the winter. If the orbiting thing is far enough away about as far as Jupiter is from the Sunit can have a stable orbit that lasts for a very long time.

This is due to an effect called diffraction and is evidence that light travels as waves. Have the students observed any complications which our model does not account for. Is it similar to the pattern cast by the shadow stick in the previous activities.

Goodbye, Scienceblogs,… Ask Ethan: This is not usually obvious because the sun is too bright to observe directly most of the time. And we'll have a lifetime of wonderful things to still explore.

A6: Use a shadow stick to record the Sun's direction.B6: Compare the time on a sundial with local mean time. GCSE Astronomy coursework project guides (no rating) 0 customer reviews.

Author: Created by GCSE-Astronomy-CourseworkShadow-Stick-or-Sundial. Assessment. pdf. Resources for science teachers. Mark a line on the yellow paper that is an extension of the equator when the North and South Poles are lined up with the line between the yellow and black paper.


The shadow length changes through the course of a day as well as through the year, for example, a noon shadow is much shorter in summer than in winter.

Throughout history, human kind has relied on the Sun and Moon as astronomical time keeping devices. Lily, Lindy M. Zart Underwater Homes, Therese Hopkins Bulgarian Horrors and the Question of the East (), William Ewart Gladstone By Stroke of Sword - A Romance Taken from the Chronicles of Sir Jeremy Clephane (), Jeremy Clephane, Judas Fraser, Andrew Balfour.

Of course, we tend to look at all astrology as bunkum, designed to make people part with their hard-earned cash. However, to ancient peoples, it was an integral part of life, predicting the endless cycles of nature, life, death, and rebirth that were essential to agricultural and nomadic peoples.

Measure the Tilt of the Earth on the Solstice! (This Wednesday!) Astronomy coursework shadow stick
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