Ask an Expert (Page 102)

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

Mold Growth of Different types of bread Mold Growth of Different types of bread My name is Mariah and I'm in the 9th grade. My science project is on Mold growth on different types of bread. Listed below are several questions regarding mold: 1. Does different types of mold grow on different types of bread ? example, white bread, wheat bread and rye bread. 2. Is temperature a factor in the growth of mold on beard? 3. Is mold dangerous when in contact? 4. Is mold helpful in the science… Read more

Science fair research

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

Science fair research Science fair research I'm trying to find sources I can use for my research paper, but I can't find a website that specifically answers my questions about how battery voltage changes over time in a household device and what voltage does the device stop functioning/died. Can you send me 4 or 5 websites that can help me? Re: Science fair research Hi, This can be a bit of a tricky topic to research. One thing you can do is look up battery datasheets. For example, I found… Read more

Standards for Can Plants Stop Soil Erosion?

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

Standards for Can Plants Stop Soil Erosion? Standards for Can Plants Stop Soil Erosion? Hello, what are high school level science standards that apply to this experiment. If you know non-science standards as well I would greatly appreciate them. Re: Standards for Can Plants Stop Soil Erosion? Hello! Thank you for your question! What’s critical to keep in mind for scientific standards is that you must change only 1 variable at a time. In this case, variables you can think of manipulating… Read more

atmospheric chemistry

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

atmospheric chemistry atmospheric chemistry Hello! I wanted to do a project about global warming and how to solve the ozone hole, and I wanted to know how to use sulfur dioxide in the stratosphere to use its cooling effect on the planet, but I also wanted to know how to decrease its reaction with the ozone layer so that it didn't damage it as well. So I wanted to know to does it react with the ozone layer and If it possible to decrease its reactivity. Read more

Dealing with Diabetes: The Road to Developing an Artificial Pancreas

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

Dealing with Diabetes: The Road to Developing an Artificial Pancreas Dealing with Diabetes: The Road to Developing an Artificial Pancreas I've started a Science Project on the Science Buddies link regarding the subject above, but halfway through the project, I've realized that it is not following the scientific method, is there anyway I could turn this model into a real experiment with a hypothesis? Any help would be appreciated, and quick! Thank you so much!… Read more

Crime Scene for a class?

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

Crime Scene for a class? Crime Scene for a class? Hello, I am a science teacher wanting to the the crime scene lab with my students at the end of our chem unit. If I have two classes of approx 20 students each, how many lab kits will I need? I intend to group them by 3-4 students. Will each group need it's own kit or is it possible to use one kit per two groups? Please advise. Thank you! Wendy MS Science in PA Re: Crime Scene for a class? Wendy - This will be such a fun class… Read more

Title needed for 5th grade science fair project

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

Title needed for 5th grade science fair project Title needed for 5th grade science fair project My son is doing a project on how viscosity affects evaporation using different liquids but he is having trouble coming up with a title. Any suggestions would be appreciated. Re: Title needed for 5th grade science fair project Hello! This sounds like a fun experiment! Typically science fair project names consist of a catchy title followed by some information about the experiment. Here are a few… Read more

Measuring Cell Phone Radiation. Do mobile phones radiate?

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

Measuring Cell Phone Radiation. Do mobile phones radiate? Measuring Cell Phone Radiation. Do mobile phones radiate? I’ve been doing this project for hours but the radio frequencies aren’t being picked up properly and are giving crazy high numbers for no reason. There is no radiation coming from the sides and the top and bottom of the phone. Someone please help, i’m really confused and my science fair is due soon. [Administrator note: Project:… Read more

Science Fair Project Topic

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

Science Fair Project Topic Science Fair Project Topic Hello. I am interested in doing a science fair project on food reactions, and I need help choosing one. I have already thought of something related to non-Newtonian fluids, and one about citrus preventing apple browning. If you think of any ideas, please let me know. Thank you for your time. Re: Science Fair Project Topic You can view food science projects here:… Read more

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