Ask an Expert (Page 126)

Where to start for preparing to win an Isef bid from state fair

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

Where to start for preparing to win an Isef bid from state fair Where to start for preparing to win an Isef bid from state fair Hello so I am a senior researcher who recently won first place in my regional fair and will be competing in early april at the state fair for a chance to earn a bid to go to Isef and was wondering on where I should start in my preparation for the event. my teachers have advised I start modifying my speech and my poster and have no idea what sources I should use… Read more

Test growth of plants in gravity - Clinostat device

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

Test growth of plants in gravity - Clinostat device Test growth of plants in gravity - Clinostat device Going to test plant growth from seeds in gravity using Clinostat and plant growth on Earth using different factors like light, temperature, and water. After building the clinostat, should I keep running the motor to give a stimulus of gravity feel? Please refer the following… Read more

Catchy title for paper book tower project

Ask an Expert Topic Forum: Grades K-5: Physical Science

Catchy title for paper book tower project Catchy title for paper book tower project Hi, looking for ideas for a catchy title for my child’s science fair project. We are making columns out of paper, in different shapes. Cylinder, square, etc. And testing how many books the columns can hold in a stack, before the stack collapses. Paper towers or paper power is all I can think of but wanting something more eye catching. Thank you! Re: Catchy title for paper book tower project "Form and… Read more

Safety of dishwashing soap

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

Safety of dishwashing soap Safety of dishwashing soap I want to test the safety of dishwashing soap compared to the naturally derived dishwashing soap (green alternative). What would be the best method of testing and comparing toxicity/safety? Read more

Safety of dishwashing soap

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

Safety of dishwashing soap Safety of dishwashing soap I want to compare the safety of normal dishwashing soap to those made of natural ingredients (green alternatives). What would be the best method of testing toxicity/safety? Re: Safety of dishwashing soap Hello! This Science Buddies project might be a good resource for you. It describes how to test the safety of different liquid detergents using worms… Read more

How to measure antioxidants in beverages without laboratory testing?

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

How to measure antioxidants in beverages without laboratory testing? How to measure antioxidants in beverages without laboratory testing? I have to submit research soon and I am making a sports drink for my science fair project I want to measure the amount of antioxidants in the sports drink I created vs Gatorade. We aren't allowed to do laboratory testings so how do I do a homemade antioxidant test? Please respond quickly if thats possible. Thanks!! Moderator note: I've combined your two… Read more

Changing equipment in Exothermic Reaction Rates

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

Changing equipment in Exothermic Reaction Rates Changing equipment in Exothermic Reaction Rates Hello, I was wondering how I could change the oxygen tank situation in the Exothermic Reaction Rate science experiment, where I am investigating how different levels of oxygen affect the exothermic oxidation of iron powder. Is there an easier way to not include the oxygen tank in this experiment, or a different way to do it in general. Thank you Re: Changing equipment in Exothermic Reaction… Read more

science fair filtering water w charcoal

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

science fair filtering water w charcoal science fair filtering water w charcoal um just wondering like what exact amounts of activated charcoals do i need for this https://www.sciencebuddies.org/science-fair-projects/project-ideas/Chem_p108/chemistry/which-filtration-material-leads-to-the-best-drinking-water Re: science fair filtering water w charcoal There are suggested materials linked in the Materials list for each kind of carbon you'll use. If you carefully read through the… Read more

How Does Color Affect Heating by Absorption of Light? Experiment redo (urgent-ish)

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

How Does Color Affect Heating by Absorption of Light? Experiment redo (urgent-ish) How Does Color Affect Heating by Absorption of Light? Experiment redo (urgent-ish) Hello. This will be a very lengthy post, unfortunately. I used this project (https://www.sciencebuddies.org/science-fair-projects/project-ideas/Phys_p030/physics/how-does-color-affect-heating-by-absorption-of-light.), as my science fair project for my local school. I have advanced to the city-wide level, and I am looking to… Read more

Candy erosion

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

Candy erosion Candy erosion I’m helping my son with a science fair experiment about erosion, adapted from here: https://www.education.com/science-fair/article/erosion/ I’m looking for advice on how to measure/display the results. So far we have tested two types of candy, and both broke down/eroded in moving water vs still water. One was a hard candy (pez) that broke into small pieces, the other an m&m that shrunk in size but was intact. It’s obvious that moving water broke down or… Read more

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