Life Science Projects to Do
Children and adults interact with life science every day. Using the sense of smell to appreciate perfume or watering plants to help them grow, experimenting with life science often occurs without people realizing it. Selecting a life science project for a science fair or school science assignment may teach others information they were previously unaware of. Life science projects may encourage students to take an interest in subjects such as biology, ecology or zoology as a career path.
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Drinking Plants
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Plants drink water differently from humans and animals as revealed in this project. Fill a 12 oz. plastic cup with water and add three drops of blue food coloring. Dip a carrot into the cup of blue water and allow it to sit for six hours. Then remove the carrot after six hours and cut a 1/2-inch piece near the bottom portion of the carrot with a knife. Both the carrot and the carrot piece contain small blue dots, indicating where the liquid is being transported.
How Seeds Travel
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Seeds travel by wind, water and animal as found in this life science project. Gather flower and vegetable seeds of various shapes and sizes. Place a few seeds in front of a fan and take note of which fly. Next, place seeds in water and take note of which seeds float. Then rub a few seeds against a cotton cloth and notice which seeds stick. Seeds that fly away are transported by wind. Seeds that float are transported through bodies of water. Seeds that stick transport via carriers, such as animals.
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Fingerprint Pattern
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The fingerprint project determines if fingerprint patterns are inherited through families. Select 15 individuals who are related and 15 individuals who are unrelated. Give each related pair an ID number, such as 3A and 3B and unrelated pairs ID numbers such as 4D and 4Z. Fingerprint each person's index finger using a black stamp pad and a clean sheet of paper. Then examine the results of each related and unrelated pair with a magnifying glass. The project may reveal that related pairs have similar arc, whirl or loop prints patterns, but unrelated pairs of people do not.
No Nose, No Taste
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The no-nose, no-taste project identifies how a person's sense of taste is determined by his sense of smell. Select 20 jelly beans with four different flavors, and separate each flavor into five different bowls. Blindfold 10 people and instruct them to eat one jelly bean from each bowl. Ask each person to identify the flavor of each jelly bean and note his response. Then, ask each person to hold her nose while tasting the jelly beans again. Record the results. Students may find that it's difficult to determine the flavor of each jelly bean without using the sense of smell.
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References
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