Ask an Expert (Page 183)

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

What Do Different Baking Ingredients Do What Do Different Baking Ingredients Do Hi! I’ve chosen the topic “What Do Different Baking Ingredients Do?” where I will remove different ingredients from a simple baking recipe to see why each ingredient is needed. For my science fair project but I need to measure something in my experiment using numbers with a tool. Do you have any suggestions about what I could measure in this experiment? Re: What Do Different Baking Ingredients Do Hello, This… Read more

Environment

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

Environment Environment What methods can we use to produce meat sustainably? What food production methods can we use that are sustainable? (general question) Re: Environment Hi there! Is this for a science project that you're working on? If so, please provide some more background information on the project so that we can better assist you! Read more

Clear All Your Hesitations And Get Immediate Success in Splunk SPLK-1002 Certification Exam

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

Clear All Your Hesitations And Get Immediate Success in Splunk SPLK-1002 Certification Exam Clear All Your Hesitations And Get Immediate Success in Splunk SPLK-1002 Certification Exam To become a Splunk Core Certified Power User expert, you must be prepared well for the Splunk Core Certified Power User exam. An Splunk Core Certified Power User is a professional exam that helps you achieve an SPLK-1002 and get a job in IT or networking. To pass the, your method of preparation and SPLK-1002… Read more

Tracking COVID-19's Genomic and Clinical Evolution

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

Tracking COVID-19's Genomic and Clinical Evolution Tracking COVID-19's Genomic and Clinical Evolution Hello, I am conducting an experiment-based research project in the Medicine and Health (MED) field for SEFH(Science and Engineering Fair of Houston). As I was looking through project ideas I came across the project titled, "Tracking COVID-19's Genomic and Clinical Evolution". I love the project idea, however, I'm finding it difficult to implement the experimental aspect of it. For… Read more

Question about Lymnaea stagnalis

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

Question about Lymnaea stagnalis Question about Lymnaea stagnalis Hello, My daughter wants to make a project that requires the Lymnaea stagnalis snails. However we have been trying to get them without any luck. Do you happen to know of any place where they sell them? We live in South Florida. If not, maybe you know of any other snail she could use for her project? She wants to do the conditioned taste aversion (CTA) method on them and she found many research being done with only Lymnaea… Read more

Ion Engines - Propellant

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

Ion Engines - Propellant Ion Engines - Propellant What xenon compounds are used in ion engine prototypes? Re: Ion Engines - Propellant joe_dunca26, Thank you for your question. Ion thrusters work by ionizing propellant by adding or removing electrons from that propellant to produce ions (atoms with a net positive or negative charge). Most ion thrusters bombard propellant with high energy electrons. The collisions release electrons from the propellant atoms, resulting in a positively… Read more

New Science Fair Idea, Help with Supplies!

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

New Science Fair Idea, Help with Supplies! New Science Fair Idea, Help with Supplies! Hey, I'm trying to make a project using proteins called brassinosteroids. I know there are different kinds, but I'm having trouble even finding a resource to get them from. Is there a specific online website that sells this? OR a fungicide called Mandipropamid? I wanted to do some work on plants to make them more drought resistant/ tolerant by limiting their water intake using these… Read more

help me pls

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

help me pls help me pls Classifications and Phases of Matter First, identify whether the matter described is a pure substance or mixture. Then, for each statement, list all of the different phases present. 1. Bromine (Br) liquid and its vapor 2. Paint, containing a liquid solution and a dispersed solid pigment 3. Partially molten iron (Fe) 4. Baking powder (NaHCO3) containing sodium hydrogen carbonate and Cream of tartar powder- potassium hydrogen tartrate (KC4H5O6) 5. Sucrose, C12H22O11… Read more

Does gender affect color preference?

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

Does gender affect color preference? Does gender affect color preference? Hi my daughter is wanting to conduct an experiment regarding gender and color preference. Would you suggest a questionnaire or some type of manipulative as the testing mode? Further would you suggest using only a group of same aged children or students from a multiple age groups. Any all all help with the structure of this project would be greatly appreciated. Re: Does gender affect color preference? Hello… Read more

Help needed with my project (measuring time)

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

Help needed with my project (measuring time) Help needed with my project (measuring time) I am student who needs to do her science project. I really like one of ideas called "A MatterOf Time" but I have a question. I read the summary and it says I need to measure time every month for 1 whole year. My project is due in February, I can't measure a whole year. What should I do? Should I just measure it up to February or not? I'm starting in September. Thanks for your help! Re: Help needed with… Read more

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