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The plant hormones or phytohormones are involved in all the stages of plant life from pollinisation - inducing the fecondation and the zygotic embryo development, all the way through its development into an adult plant - to flowering, development of the fruit and senecence control. The same phytohormones not only control the growth and development processes: for that, they are crucially
Difficulty: High school
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.
Difficulty: Elementary school
The objective of this science fair project is to determine the effectiveness of using sugar to preserve and keep the flowers fresh for longer periods of time. The experiment will be carried out using flowers such as the rose, carnations and lilies, and water containing different amounts of sugar
Difficulty: Elementary school
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.
Difficulty: Elementary school
To measure the amount of starch left in a leaf of a geranium plant under the following conditions; carbon dioxide increased, decreased and neither increased or decreased.
Difficulty: Middle school
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
Difficulty: Elementary school
This experiment was performed to ascertain the effect of aquatic plants on the acidity levels of our oceans. Carbon dioxide levels in our atmosphere have been on the rise mainly due to the burning of fossil fuel and deforestation. The results of this experiment will ascertain whether aquatic plants help to reduce the acidification of our oceans, via the process of photosynthesis.
Difficulty: Middle school
The purpose of this experiment was to compare the dehydration rate of plant and animal cells exposed to anhydrous ammonia. The information gained from this experiment could help people preserve food. Also it will help with food transportation because dehydration cuts down the weight by taking away the moisture. This could also help space travel.
Difficulty: Middle school
Enzymes are very large and complex organic molecules that are synthesized by the cell to perform very specific functions. These biological catalysts are important because they speed up the rate of the reaction they catalyze that would otherwise be too slow to support life. Catalase is an enzyme present in the cells of plants, animals and aerobic (oxygen requiring) bacteria. It promotes
Difficulty: Middle school
This science fair project was done to find out the effect of using tea leaves as fertilizer for enhancing plant growth. Testing was done using the rose plant planted in soil mixed with tea leaves.
Difficulty: Middle school
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