Version 2.
Kit Contents 1a 1c 1e 1d 18 1b 12 15 19 23 16 11 5 8 10 24 20 6 14 21 7 9 2 3 17 4 22 13 25 The Power House experiment kit contains the following parts: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 2 Description Qty.
Table of Contents Research for the future. . . . . . . . . . . . . . . . . . . . . . . . . . 4 Construction material. . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Cold, warmer, hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Project Power House . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Heat — familiar yet mysterious. . . . . . . . . . . . . . .
Light and heat from the sun Heating water is nice enough. But the sun’s light can be used to do other things as well. First, though, you have to learn a little about the behavior of light. EXP. A star made of light A candle’s flame illuminates, which is to say it emits light. What happens to the light it sends out? 52 An adult should be present for this experiment! You will need “Light path” die-cut piece, tealight candle, matches, white paper, tape = EXP.
EXP. Why it gets cold in winter If you want to save energy with your Power House and, more importantly, in an actual building, the outside temperature will have an important role to play. In the winter, you will need a lot more heat than in summer, because it is cold. But why is it cold, actually? 54 You will need Flashlight, yarn or string, tape, scissors, graph paper, colored marker Experiment 1. Cut off a piece of yarn about 30 cm in length.
EXP. Diffuse lighting A good mirror is pretty expensive. Why not try it with a piece of paper? 56 You will need Black paper, white paper Experiment 1. Hold the white sheet of paper in the full sun a few centimeters away from a shaded wall. The wall close to the paper will appear brighter, but only slightly so. You won’t see a clearly bright spot. 2. Repeat the experiment with the black paper. Now the wall doesn’t look any brighter at all.
the thermometer from the top by the small ring. Watch the temperature. Within a few minutes, it will start to rise. Explanation The aluminum foil concentrates the captured solar energy onto one small area, which therefore becomes hotter. Even though the concave mirror is small and doesn’t have a particularly shiny surface, the effect is quite noticeable. EXP. The bigger, the hotter The little mirror in the previous experiment managed to produce quite a noticeable increase in temperature.
