42 Nature in Recreation 



model of an animal, there is always a question about where the ears should 

 fit on the head, how long the tail should be in proportion to the rest of the 

 body, where the eyes should go, etc. An entire group might enjoy making a 

 model of its pet and having a "Pet Show" afterwards. Award a blue ribbon 

 to the winner just to add to the spirit of the occasion. 



Clay would be the ideal medium for the model as some children might 

 like to have it fired and glazed if they have a particularly good model. 

 Plasteline may also be used if you are making temporary models. Just mud 

 also serves the purpose, especially if you can find earth that has the quality 

 of clay. 



A PINHOLE TELESCOPE 



To make a pinhole telescope get a pasteboard tube about i 1 /*" in diam- 

 eter and 5 or 6 inches long. A paper tube for mailing papers is just the 

 thing and can be bought at any stationery store. Cut a disk or circular piece 

 of cardboard just large enough to fit the tube, and push a pin point or 

 needle through the center to make a small, clean hole. Next, glue this card- 

 board disk in the tube } A" from one end. 



This disk must be glued in the tube so that no light can leak around the 

 edge. 



Though it does not magnify the image of the object that is seen through 

 it, it aids the naked eye because it blocks out everything surrounding it. 



BAROMETER 



Perhaps you have seen in stores barometers which resemble a plaque or 

 a picture, but on which is a piece of blotting paper or a piece of cloth. In 

 dry weather the blotter will be blue. When the air becomes moist, it will be 



