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Need help making a if then because hypothesis.

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Need help making a if then because hypothesis. Need help making a if then because hypothesis. Hi, I am working on a RISE project for school and I need help coming up with a hypothesis. My objective for this project is to Learn how to take blood pressure readings, and test a population of children, adults to determine if blood pressure depends upon age or mood. My research question is Does a Human’s Blood Pressure Depend on His or Her Age or Their mood? Could you help me? Re: Need help… Read more

Question about Make Ice Cream in a Bag activity

Ask an Expert Topic Forum: STEM Activities

Question about Make Ice Cream in a Bag activity Question about Make Ice Cream in a Bag activity Does it have to be zipping bags? Re: Question about Make Ice Cream in a Bag activity Hi - Because you will need to shake the bag, you do want a bag that can be sealed closed. Amy Science Buddies Read more

Effect of Various Enzymes on Degradation of Fruits

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

Effect of Various Enzymes on Degradation of Fruits Effect of Various Enzymes on Degradation of Fruits I'm doing an experiment where I test different enzymes to see which ones are the most efficient at reducing fruit waste and at which concentrations they work best. It's similar to this experiment I found: http://csef.usc.edu/History/2006/Projects/J0413.pdf, but I'm going to be testing more types of enzymes. I know pectinase is efficient as it breaks down plant cell walls, but which other… Read more

How do I find the pH of water?

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

How do I find the pH of water? How do I find the pH of water? I am a 7th grader and since school has started not so long ago,we haven't gotten to anything of interest other than cells and joints of a body. I am in an Honor Science class and our teacher wants us to at least win something in the science fair. She has made us go to her,present a topic,and then she would revise it and give us what to do for the fair. She has given me the germination of a seed and the affects of it on the pH of… Read more

Marble Roller Coaster

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

Marble Roller Coaster Marble Roller Coaster I understand that for some projects they are categorized under level of schooling. For the Marble roller coaster how can I make this project into high school level? Or what am I missing from the experiment that makes it high school level? Re: Marble Roller Coaster Hi - I believe at the middle school level this project only involves qualitative discussion of potential and kinetic energy and the tradeoff between them. At the high school level you… Read more

Help starting on Science Fair project

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

Help starting on Science Fair project Help starting on Science Fair project For my chemistry class I have to participate in the Science Fair. I was looking at some ideas on the website and came across two that peaked my interest: Playing Music and Solving Logic Problems. There is no procedure which is fine but I was just wondering how one would go about starting these projects. I am not allowed to do human or vertebrate testing. I know my question isn't very specific but I would really… Read more

Question about Make a Fire Snake activity

Ask an Expert Topic Forum: STEM Activities

Question about Make a Fire Snake activity Question about Make a Fire Snake activity Type your question below and then press Submit! What exactly is the ratio of baking soda and sugar needed for experiment? Is powdered sugar okay for the experiment? Can you tell some examples of lighter fluids? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/make-a-fire-snake]Make a Fire… Read more

Artificial Pancreas Science Fair Project

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

Artificial Pancreas Science Fair Project Artificial Pancreas Science Fair Project I am looking into doing the Life with Diabetes: Artificial Pancreas Project, and I am looking for a testable question. My original question was "How the amount of glucose affects the amount of insulin produced?", but I am unsure of how to test that through quantitative data. I was thinking of changing my question to test the different conductors but was unsure of what the controlled would be. Are there ways to… Read more

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