By Robert Gardner
Can you construct a chook feeder that retains squirrels out? the place do earthworms prefer to stay? Does colour impact human feelings? study the solutions to those questions and extra with the joys experiments during this booklet. younger scientists will discover and discover behaviors of animals' interactions with environments. Many experiments comprise rules you should use to your technology reasonable.
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Extra info for Ace Your Animal Science Project
A dog can certainly let you know when it wants to go outside. From experience, you know that a dog’s wagging tail or a cat’s purring shows contentment, while a growl or a hiss indicates dislike or signals a warning. The barking of a watchdog tells its owner that someone or something is approaching, and even a cricket’s chirping rate can be used to tell temperature. TWO WAYS OF KNOWING All animals are able to respond to stimuli—things that cause a response (action)—and the response may indicate either active or passive knowledge.
Label the two corresponding pieces of tape with the same number, and an S (for Sound) or P (for Pointing). Use different pieces of tape and different numbers for each trial. Is your friend able to locate sounds best if they come from directly in front? from the left of center? from the right of center? from behind? from the side? Does the distance to the sound affect your friend’s ability to locate its direction? FIGURE 18: Sound travels along the air in a hose. Can you tell whether the scratch is made to the right or left of center of the hose?
B) Use a paper-towel wick to replace one solution with another. STAINING This microtechnique is useful for adding contrast to transparent organisms and tissues. You may need this technique for a science fair project. Safety: Use care when working with stains. Avoid skin and eye contact. Wear eye and hand protection. Most living tissues and microorganisms are transparent, so adding contrast (a range of color) can help you see an object. Good contrast allows for the observation of fine detail at a particular magnification.
Ace Your Animal Science Project by Robert Gardner