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The effect of coffee on yeast cell growth

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

The effect of coffee on yeast cell growth The effect of coffee on yeast cell growth Hello. I am designing and experiment for my IB biology class. My plan is to test the effect coffee on yeast cells. I will be using saccharomyces cerevisiae, HAO Strain, a, wild type in my experiment. I will measure the yeast cell growth using a spectrophotometer. During my experiment, I plant to calculate the yeast cell growth at different intervals (i.e. 0,2,4,6,8 hours). In order to this as accurately as… Read more

How is cotton candy made?

Ask an Expert Topic Forum: Grades 9-12: Physical Science

How is cotton candy made? How is cotton candy made? Hi, I'm doing a school project on cotton candy and I need a live source to answer my question about the sweet. These are my questions, "What causes granulated sugar to turn fluffy and stringy? How is it possible that the sugar does not just burn up immediately when heat is applied? How can making cotton candy turn into a successful business? What are the health concerns behind eating (too much) cotton candy? What is the history behind cotton… Read more

Dead zones

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

Dead zones Dead zones Hi, I'm doing a science fair project on dead zones. I was wondering if it was feasible to find a way to effectively bring dead zones "back to life". Right now I'm debating on whether to gear my project towards an engineering one, or a research one. Any help would be appreciated, thanks! Re: Dead zones Hello, This is a really interesting project idea! It's definitely possible to come up with a hands on experiment to explore this question. The first step in planning… Read more

Magnet specifications

Ask an Expert Topic Forum: Grades 6-8: Physical Science

Magnet specifications Magnet specifications We are doing the experiment that tests the magnet strength at different temperatures. Can you tell me what the key characteristics of the magnet are for this to work? It must be permanent, but does it have to be ceramic and a certain dimension? Will a different size magnet still work? Any help would be great as we try to gather our supplies. Re: Magnet specifications You can look at the grade of magnet for different strengths. You would want… Read more

Suggestion for Research question

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Suggestion for Research question Suggestion for Research question Hi, My 5th grader is doing Science project related to Hydrophonics.In this project,she is growing plants with the soil and with the nutrients water.Comparing the growth of the plants with some dependent & independent variable. Concluding with the advantage of growing plants hydrophonically compared with plants growing in the soil. Can you please suggest the research questions for this project? Thank you Read more

How do I do Table 2 in the procedure for Creating a Kidney: How Stem Cells Might Be Used to Bioengineer a Vital Organ?

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

How do I do Table 2 in the procedure for Creating a Kidney: How Stem Cells Might Be Used to Bioengineer a Vital Organ? How do I do Table 2 in the procedure for Creating a Kidney: How Stem Cells Might Be Used to Bioengineer a Vital Organ? Hi, I was wondering how to do the table 2 in the procedure for Creating a Kidney: How Stem Cells Might Be Used to Bioengineer a Vital Organ. I was confused as to how to get the information from the databases because I was unable to find them. Thank you! Re:… Read more

Hydrophonics

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Hydrophonics Hydrophonics Hi, My 5th grader is doing Science project related to Hydrophonics.In this project,she is growing plants with the soil and with the nutrients water.Comparing the growth of the plants with some dependent & independent variable. Concluding with the advantage of growing plants hydrophonically compared with plants growing in the soil. Can you please suggest the research questions for this project? Thank you Re: Hydrophonics Is your student using the… Read more

SQL science fair project ( adding users and tables )

Ask an Expert Topic Forum: Grades 9-12: Math and Computer Science

SQL science fair project ( adding users and tables ) SQL science fair project ( adding users and tables ) so I've figured out how to get all the emails and favorite colors and users but I cannot figure out how to add a table and another user. Can someone help me? Re: SQL science fair project ( adding users and tables ) You are doing the SQL Injection project? https://www.sciencebuddies.org/science-fair-projects/project-ideas/Cyber_p008/cybersecurity/sql-injection#procedure You may need to… Read more

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