All Science Fair Projects
Over 500 FREE Science Fair Project Ideas!
 | Do detergents affect plant growth? Plants grow by using water and the sun to make food. We are trying to find out if different types of detergents will affect the growth on a plant. This experiment, if done properly, will give us the answers we're looking for.
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 | Do plants grow at different rates when given different plant foods?  I wanted to know the growth difference in plants when different plant foods were being fed to them. I believed that if I used Miracle-Gro the plants would grow taller than the others, I believed this because Miracle-Gro seems to be the most popular nationally known plant food in the United States of America. I hoped that this investigation would tell me what plant food makes plants grow | ||
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 | Do different colors of light affect plants differently? My experimental purpose was to determine if the color of light affects the amount of oxygen created through the process of photosynthesis by elodea, a type of aquatic plant. | ||
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| Do plants grown taller hydroponically or in soil? The purpose of this experiment was to find out if radishes grow taller and have more leaves if grown hydroponically using the water culture method and grown hydroponically using the flood and drain method, or if grown "conventionally" in potting soil. | ||
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| What happens to plants when their environment gets over-crowded? What do you think will happen if the plants are too close together? Will there be enough food, water, and sunlight. What else might be in short supply? | ||
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| How does nitrogen affect plant growth? The purpose of my experiment was to determine the effects of water solutions that contain different levels of nitrogen on bean growth. | ||
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| How does acid rain affect the growth of plants? The purpose of this experiment was to determine to what degree acid rain affects the growth of certain plants. | ||
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 | How does a hydroelectric plant produce electricity using water? Hydroelectric facilities are built at the base of dams to take advantage of the high pressure of the water at the bottom of a reservoir. The water pressure is funneled through a tunnel through the dam called a penstock. The water then is focussed on the blades of a turbine. Water pressure of the water turns the turbine, and the turbine turns a generator making electricity. This simple experiment w | ||
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| What side of a plant's leaf takes in atmospheric gases? Ten (10) students say the top of the leaf takes in gases because when rain and watering cans water plants it comes from above and hits the top of the plant leaves first. Ten (10) say the bottom of the leaf takes in gases because after observing the leaves from each plant the bottom of the leaves were more veiny and the skin of the bottom leaves seemed thinner. The top of the plant leaf had | ||
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| Does one bad apple spoil the whole bunch? Does one bad apple spoil the whole bunch? How might one ripening fruit signal others to begin to ripen? What might cause synchrony? Plants use hormones to communicate among tissues. In this experiment, students are introduced to a technique used to evaluate the ripeness of fruit. They design experiments to test hypotheses about the role of hormones in synchronizing fruit ripening in apples. | ||
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