science powerpoint example
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Science PowerPoint Example. - PowerPoint PPT PresentationTRANSCRIPT
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Science PowerPoint Example
This is an experiment that was just created for an example to help guide you through the process of creating your own PowerPoint. Your PowerPoint should have lots of pictures of your own experiment in the appropriate places. References listed are not real references, just examples.
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The Effect of Temperature on Plantsby
Anne and Sarah Smith
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Abstract
The purpose of this project was to discover how plants react to temperature. The hypothesis was if a plant is exposed to warm temperatures (15 to 21 degrees Celsius) they will grow faster than plants exposed to hot temperatures (32 to 38 degrees Celsius) or cold temperatures (4 to 10 degrees Celcius) because most plants grow in warm and mild climates versus extreme climates.The results collected during this experiment showed that plants grow more successfully in warm temperatures versus extreme temperatures.The hypothesis was supported; the plants in the 15 degree environment grew the tallest.Future experiments could test different types of plants in various temperatures or changes in moisture.
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Prior Research
Research shows that green leafy plants grow more successfully in mild, moist, and warm temperatures. The type of plant should also be taken into consideration. There are plants that are more successful in hot temperatures versus cold temperatures. Some plants are able to adapt to their environment over time. Germination of seeds need warm, moist environments and then once the seed has sprouted a warm and partial sunny location is best for the plant’s stability. (Carolina Biological Society, 2001)
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Purpose/Question
What is the effect of temperature on plants?
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Hypothesis
Plants that are exposed to warm and mild temperatures like 60◦F (15◦C) to 70◦F (21◦C) degrees will grow more successfully than plants exposed to more extreme temperatures because extreme temperatures can cause stress on the leaves and roots of the plant.
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Experiment/Procedure
1. Five radish plants were planted and placed in a refrigerator at a temperature of 5 ◦ Celcius.
2. Another five radish plants with the exact same variables were placed in a warm room at 15◦ Celcius.
3. Another five radish plants with the exact same variables were placed in a very hot container with a heat lamp at 38◦ Celcius.
4. All plants were under a lamp with a 60 watt bulb.5. All plants received 2 ounces (57 grams) of water every other day.6. All plants were in the same size pot with the same soil.7. Plants were monitored for 2 weeks and measured every 2 days.8. Measurements were recorded and pictures were taken every
other day.
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Analysis/Discussion of Results
Two of the plants in the refrigerator died after one week. The other three plants only grew an average .66 cm. The plants in the warm environment were most successful although one of the plants died, the other four grew an average of 1.75 cm. Three plants died in the hot environment and two of the plants grew an average of .22 cm. The plants in the warm environment looked healthier and their leaves looked very green and the stems were straight. The plants in the hot environment wilted and the stems were leaning over. The plants in the cold environment looked brown and unhealthy.
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Data Collection TableCentimeters tall: average of all 5 plants
Day 5 degrees C
15 degrees C
38 degrees C
1 0 0 0
3 0 0 0
5 0 .5 cm 0
7 .3 cm 1 cm .2 cm
9 1 cm 1.2 cm .2 cm
11 1 cm 2 cm .5 cm
13 1.5 cm 2.5 cm .5 cm
15 1.5 cm 3 cm .5 cm
Average .66 cm 1.75 cm .22 cm
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How much the plants grew in 15 days
Day 1
Day 3
Day 5
Day 7
Day 9
Day 11
Day 13
Day 15
Averag
e0
0.5
1
1.5
2
2.5
3
3.5
5 ◦ c15◦ c38◦c
cm
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Conclusion
The hypothesis was supported. The plants in the warm environment were more successful and grew the most compared to the others. This was supported by the research. Radish plants were used as they grow very rapidly under the right conditions.
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Future Research
This experiment could be repeated with different types of plants with different temperatures. For example several samples of vegetables could be used or several samples of flowers could be used to see if the results were the same.
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References
Carolina Biological Institute (website, 2012)
Plants and how they Grow (book: NYC Publishing)
Video: How to successfully grow radishes (youtube, discovery channel)