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I am wondering how long time it took in total, from the seeding until finished. Salt. The hypothesis did support the experiment, as predicted, the control plant did live the longest, and the plant with the most salt intake was the first to wilt. distilled water with ½ teaspoon of table salt. The cells of the seeds lose water to the saline soluti on via osmosis. Liquids with very high sugar or salt levels can actually pull water away from the plant or seed rather than allowing the water to be absorbed. Question: If the seeds need to be watered, do we have to water with their relative solution? These are very inexpensive seeds. Why should the seeds be kept damp and not wet? Virginia Kearney (author) from United States on March 26, 2018: Thanks for the comment Bob. Higher salt levels will lead to plant dehydration, and the plant's leaves will show signs of drought and burn (the leaves will begin to yellow, brown and crinkle on the edges) even if it is being amply watered. The salt in the soil can actually pull water out of the cells and dehydrate the plant. I still think that would make a better experiment, however. You can choose to talk about this in different ways: What do you think about your results? As you conduct your experiment, you should record what happens every day on a chart. Pour the solution around the plant. This is awesome, hence the part about you rocking...and you were actually talking about rocking out with the plants. If you want to test this project with an emphasis on agriculture, you should probably choose a seed crop that is grown by farmers in the ground. Why do plants wilt? One of the ways they get rid of the salt is to flood the fields with water to let the salt leech out. Can you help me make a rough graph of seed germinated vs. salt conc. Is it about a two week time frame of observing the seeds? Copyright © 2020 Education.com, Inc, a division of IXL Learning • All Rights Reserved. A little extra is all right but you don't want lots of extra water. Could watering plants with salty or fresh water remove invasive plants and help restore native plants? Solution G. 8 oz. Virginia Kearney (author) from United States on April 21, 2014: Glad you like it Chelsea. Observe the bags daily and record the number of seeds that have germinated in each and any other changes in the seeds. I would suggest using at least fifty per bag. When in water, road salt, (sodium chloride), separates into two different components, sodium (Na+) and chloride (Cl-), and each affects the plants in different ways. Right now in California they have a terrible drought. Another child in our family did a variation of this project in 5th grade for her school project, so I know that this experiment also works with younger children, but be sure that your child has at least one to two weeks time for the experimental process. For some reason, my control fully grew within 4 days except the ones with salt and 1 of them disappeared. If sodium levels are high enough, then the soil will form hard crusty salt layers on the surface and your plant will defoliate and eventually die. The objective of this science fair project is to examine the effects of acid rain on the growth of marigold plants. Virginia Kearney (author) from United States on September 04, 2017: Hi Elle! 8. The interpretation of the data collected during the experiment is that: The more salt that is exposed to the plants roots, the more the salt dehydrates the plants, therefore causing the plants to die, though most gardeners water their plants with regular tap water, the plant that was the control was watered with no salt water, yet it still wilted. The one on the left was watered with Tea water, the one on the right was watered with tap water. I never new that I was going to find it I love it thank you!!! Though the quality of the water has an effect on the plant’s health, there are many plants that are able to grow even when they are given water that is polluted or that has some salt content. I assume that this would work but I don't know how sensitive mung beans are to salt concentrations. hi, i was just wondering what you would write in the results section of this experiment? The plain tap water is the control. Sodium decreases soil permeability, which reduces the flow of water to the plants possibly affecting germination. However, if you have the bag closed tightly, you will probably not need to add more solution. There was also Affecting Plant growth by Lemon Lime Adventures. Anything which would hold the water in but not soak the seeds too much. I hope you enjoy doing this and learn something about the environment and how we need to protect it. distilled water with 1 ½ teaspoons of table salt. Talk about the results for each bag and then compare them. Answer: The concentration of saltwater is the variable. In comparing the results after an average was calculated from each concentration of salt, it was determined that the 8 and 6 ounce salt water concentrations harmed the plant growth the most. Virginia Kearney (author) from United States on November 10, 2013: Yash, If you are looking for an easy way to do it, you might want to have several bar graphs representing the progression of days with the numbers of germinated seeds indicated by different bars under the different salt concentrations. We determined 1 TB worked best for our paper. As the coordinator of an elementary science fair, I've seen students do lots of plant watering experiments using different kinds of water, or liquids other than water. VirginiaLynne is an educator and mom of 5. Someone online did an experiment with two Maidenhair ferns (see below). They had used different types of water and coke for their experiment. Luckily, the salt tends to prevent the growth of fungus and mold. Tell the Whole Story: In her conclusion and results, Maggie wrote the whole story of her experiment, the original failure, and her second try, which is exactly what my husband does when his experiments don't work the first time! distilled water with 1 teaspoon of table salt. These types of water can leave a residue on plants' leaves, Plunkett says, which can "cause damage or a fungal problem" that could be fatal to houseplants. In this experiment you will compare the effect of salt water and fresh water on a plant. Help your child understand more about plant life. of water. but I've never seen a salt experiment. We did that one time too, and none of them grew. As saltwater enters the plant cells, all other moisture instantly leaves through the cells permeable membrane. Answer: Check each bag every day to make sure that the paper towel or coffee filter is moist but not wet. Since different papers absorb differently, you will need to adjust the amount to fit your paper. 3. So please advice if you could. However, if you are required to include this section in your project notes, you can write something like the following: Sample Safety Procedures: You need goggles for the salt water splashing in your eyes, and gloves so you do not transfer bacteria to the seeds. Most plants are unable to grow out of water that is as salty as the ocean, though there are a few varieties that can. Tap and distilled water without salt were used as controls. Most plants can tolerate saltwater on their leaves and stems, but they will dehydrate if they drink saltwater from the soil. In first trying with concentrated and in second trying with distilled water or normal tap water which we use in our daily life.... Virginia Kearney (author) from United States on August 15, 2017: Hi Farhiya! Kids use their cutting and coloring skills to make grass for the bugs to hide in on this prekindergarten arts and crafts and coloring worksheet. For example, in irrigation water at Carnarvon, only about half the total soluble salt is sodium chloride. 7. S is for seahorse in this alphabet worksheet. One of my younger daughters just did a version of this one for her science fair project in 6th grade. Sample hypothesis: The more salt added to the water, the fewer seeds will germinate. Focus on teaching your preschooler letters to get him started understanding words and eventually reading. The filters were then placed in the plastic bags. Trying doing this experiment with mung bean seeds, seeds with salt arnt growing, I closed the bag for first two days and then opened them, control grew but everything else didnt. I have till April 11th to complete this so do you think it's possible that I could finish this by April 4th? of salt or higher. Make sure the seeds are scattered evenly over the filter. Salt in the soil can be drawn into the plant along with water and nutrients. These are ones used by farmers or home growers. You do that by putting half the amount of salt in the water, or by putting double the amount of water for each amount of salt. Virginia Kearney (author) from United States on March 01, 2012: Nova--thanks so much for telling me! distilled water with 2 teaspoons of table salt. The manipulated All living organisms need salt, and plants absorb theirs through their root system along with their water. That takes a lot of water and contributes to droughts. They will read the abstract to get an overview of that experiment and decide if they need to read the full article. is it wrong? As follows: No safety issues associated with this project. That rocks, quite literally. How your results compare to your hypothesis. The seeds that germinated were counted and charted. Label the top and bottom of each bag with the letter of the solution to be used in each one (A through J). The very first time we did this experiment, we found that we had put all of the salt concentrations too high. They found that the hydrogel soil was able to retain water better than sandy soils found in dry areas, and it needed far less water to grow plants. To do this, coffee filters were wet with 1 tablespoon of salt water from cups that increased in concentration by 1/2 teaspoon of salt in each cup of 8 oz. Stir to dissolve. Put 100 seeds on the filter of each Bag. Go back and do salt concentrations that are half your original and that will probably work. Everything else is constant. Unable to get rid of this excess salt, the plant accumulates deposits in its cells that interfere with a variety of plant processes. Mild to moderate levels of salt in the soil may simply stunt the plant's growth and reduce its yield. Question: How does salt affect the growth of a radish seed? What is Saltwater's Effect on Wheat Grass Plants? Why don’t Mung beans grow with salt water? If the water was used to boil vegetables, it can act as a natural fertilizer to the soil, but make sure it’s not salted. They had predicted that river water would make the plant grow tallest. We had fun with this experiment. The observable effect that saltwater has on plants depends on just how much salt is in the soil as a result of salt watering. When soil has too much salt, crops won't grow well. While you may notice the soil around the plant roots stays wet due to the sugar water, the ability to absorb that moisture is blocked. The concept that’s being tested is to see how much saltwater a plant can withstand. Solution H. 8 oz. The experiment found how plants create Abscisic Acid as a stress hormone when the endodermis is exposed to drought or saline environments. And, "You Rock!" Sugar Water Sugar, like salt, can draw moisture away from plant roots, essentially choking plants to death. Plants not seeds: You can do a variation on this project by watering plants with water with different concentrations of salt to see how salt water affects the growth of plants. However, you do need to make sure they have all the nutrients they need. Stir to dissolve the salt. In most areas of Western Australia, about three-quarters of the total soluble salt is sodium chloride, though this may vary in coastal and pastoral areas. In conclusion, simple pure tap water worked best. In fact, the overall spiciness is in play based on the amount you water. The water did not harm the growth and showed no visual effects on the plants. Plants Need Water. Virginia Kearney (author) from United States on January 24, 2012: Great! In this experiment, 8 plants will be tested. This is a very interesting project. Virginia Kearney (author) from United States on January 18, 2012: Thanks for stoping by learnlovelive! If your experiment doesn't work out but you did everything you said you would do, and you don't have time to revise and do it again, you should still publish your results exactly. Plants obtain water via their root system through osmosis. 5. Interesting! Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow. The radish seeds will not germinate at all in a solution with more than 3 teaspoons of salt in 8 oz. As for the plants that do grow in salt water, these plants have developed specialized systems in their roots that filters out the salt and saves the fresh water in water bladders. This experiment showed that watering plants with any amount of salt water inhibits the growth and life of a plant by dehydrating it. The variable in this project is the amount of salt in the water. This is the research plan my daughter used for her Junior High Project. Stir to dissolve. What experiment would you do next to get more information? THE EXPERIMENT. growth by watering the plants with water of varying quality. Virginia Kearney (author) from United States on May 14, 2017: Hi Vilda, you probably ought to allow at least 2 weeks for this project, although you might get enough results earlier, depending on how fast the seeds germinate. Solution D: 8 oz. This is how to do it: put your paper in the bag and add water one teaspoonful at a time. When evaluating the data collected from this experiment it is clear that various water types do play a role in plant growth. Question: How could we find out how much salt mung beans can tolerate? A breakthrough scientific experiment conducted by ‘Carnegie Science’ found that soil salinity considerably affects the growth rate in plants. That comparison will be your conclusion. Is it okay to use about four seeds in each Ziploc bag? Put a shallow layer of gravel/stones in the bottom of each pot, then top up with soil, until about 3cm from the top of the pot. https://www.education.com/science-fair/article/saltwater-effect-grass-plants For each tomato plant, combine 1/ 2 cup of Epsom salt to 1 gallon of water and mix throughly. Solution J: 8 oz. Teaching children about how plants work is often a simple a matter of building on their natural curiosity. Solution I: 8 oz. Try reducing the salt concentrations by at least half. Each plant will receive 1 more teaspoon than the previous cup, so it would be increasing. They had tested the height of the plant. Salts in irrigation water are mainly common salt (sodium chloride), calcium and magnesium bicarbonates, chlorides and sulphates. Virginia Kearney (author) from United States on April 02, 2019: Hi Faizhan--You probably used too high of a salt concentration. Stir to dissolve. It is easy but has a very important point. This supported the hypothesis, which was, "The more salt in the water, the fewer seeds will germinate.". Container and spoon to mix water and salt solutions. Question: Do you need a lot of seeds to see how salt affects seed germination? Answer: I would not recommend using only a few seeds for each bag because you will not have enough data for your results. The plants shall be watered with a solution of ¼ cup water and (depending on the plant I will water them with) different amounts of salt. Only add water if they are getting dry.

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