By Janice VanCleave
The proper technological know-how reasonable suggestion books . . .Spectacular technological know-how initiatives How do birds consume with no tooth? what's in a whale's spout? How have been dinosaur tracks formed?Janice VanCleave's Animals comprises 20 enjoyable and easy experiments that let you notice the solutions to those and different attention-grabbing questions on animals, plus dozens of extra feedback for constructing your personal technology reasonable projects.Learn approximately fossil formation with an easy scan utilizing cornmeal and flour; approximately reflex activities utilizing cotton balls; approximately animal listening to with a steel pie pan, salt, and a spoon; and masses extra. All experiments use low-cost family fabrics and contain at least practise and cleanup.Children a long time 8-12Also on hand within the dazzling technology tasks sequence: Janice VanCleave's Earthquakes Janice VanCleave's electrical energy Janice VanCleave's Gravity Janice VanCleave's Machines Janice VanCleave's Magnets Janice VanCleave's Microscopes and Magnifying Lenses Janice VanCleave's Molecules Janice VanCleave's vegetation Janice VanCleave's Rocks and Minerals Janice VanCleave's Volcanoes Janice VanCleave's climate
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Additional info for Janice VanCleave's Animals
Repeat the experiment using a wooden spoon to stir the water in the bowl. Would animals be cooled faster in a running stream or still pond? 2. Would placing icy water in the bowl have affected the rate of cooling? Repeat the experiment placing ice cubes in the bowl of water. Show Time! 1. Are there other methods of increasing heat loss from the body of animals? The hypothalamus (a part of the brain) activates nerve impulses that relax the walls of small arteries in the skin. This allows more blood to circulate to the surface of the body.
Test the angle of peripheral vision of other people. Photographs taken during this experiment can be used as part of your project display. Check It Out! Horses have eyes so placed that they can see all around their heads. The eyes of owls remain stationary, but their heads rotate 180 degrees, so they, too, can view the entire world around them. It is difficult to sneak up on an animal that sees from all angles. Discover more about the position of animal eyes and how this position affects an animal's life.
Use the measuring cup to add 2 cups (500 ml) of warm water from a faucet to each jar. 5. Stand a thermometer in each jar of warm water for one minute. < previous page page_44 next page > < previous page page_45 next page > Page 45 6. Read and record the temperature of the water in each jar. 7. Remove the thermometers, and seal each jar with a lid. 8. Quickly cover the jar in the box with a layer of cotton balls. 9. Close the lid on the box. 10. Leave the jars undisturbed for ten minutes. 11. Uncover the jars, and stand a thermometer in each jar.