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Measuring Wood Burning

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

Measuring Wood Burning Measuring Wood Burning We are doing the "Which Kind of Wood Burns Slower" science fair project. How would we go about measuring which burned slowest? Any advice on how we would collect that data? (Admin added - PI link: https://www.sciencebuddies.org/science-fair-projects/project-ideas/MatlSci_p026/materials-science/which-kind-of-wood-burns-slower ; broken links in the bibliography have been reported and will be updated.) Re: Measuring Wood Burning Hello, This… Read more

floating spinach leaves

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

floating spinach leaves floating spinach leaves I did a lab in school on photosynthesis and floating spinach leaves. My group followed the steps in the lab. Our spinach leaves didn't sink and then start to float. They just floated when we poured them in the petri dish. What went wrong? Re: floating spinach leaves Hello, https://www.sciencebuddies.org/science-fair-projects/project-ideas/PlantBio_p020/plant-biology/chlorophyll-extraction is this your experiment? If so you are supposed to rub… Read more

Light Tracking Bristlebot HELP

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

Light Tracking Bristlebot HELP Light Tracking Bristlebot HELP Having trouble with our bots. Teaching a stem class with 15 students. Only two bits worked correctly. Trouble seems to be with the potentiometers. We purchased our parts in bulk and NOT the kit. The potentiometers we purchased have offset prongs. The bot motors work when these are removed. When we set them into position and turn the knobs the motors do not work. Keep in mind we have two that work perfect even after being… Read more

Solar powered robots to use

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

Solar powered robots to use Solar powered robots to use Hello, I am making a science fair project based off of either of these two questions: "Is solar power beneficial to our community?" & "Will robots be integrated into our everyday lives?". For the first one, I am planning on using machinery to show how solar power can be translated onto actual machines and such. However, I don't know where to find simple solar-powered robots. Can you guys help? :D Thanks, AJ Will robots be… Read more

Chitin

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

Chitin Chitin Hello, I'm Tiam. My high school project in astronomy is about protecting astronauts on Mars from cosmic rays. I have a few ideas for astronaut costumes satellites that are a bit vague for me. In my research, I learned that chitin is a resistant polymer that exists in the body of scorpions and cockroaches, and on the other hand, cockroaches and scorpions are creatures that do not die after a nuclear explosion. I want to know that is chitin that resistant? How can it be used in… Read more

Question about Make Magnetic Slime activity

Ask an Expert Topic Forum: STEM Activities

Question about Make Magnetic Slime activity Question about Make Magnetic Slime activity Type your question below and then press Submit! Which magnet is the most affective to magnetic slime? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/magnetic-slime-recipe]Make Magnetic Slime[/url] Read more

Question about Make Magnetic Slime activity

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

Question about Make Magnetic Slime activity Question about Make Magnetic Slime activity Type your question below and then press Submit! Which magnet is the most affective to magnetic slime? ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/magnetic-slime-recipe]Make Magnetic Slime[/url] Re: Question about Make Magnetic Slime activity Hi there, For this slime and for all magnetic… Read more

Question about Walking Water activity

Ask an Expert Topic Forum: STEM Activities

Question about Walking Water activity Question about Walking Water activity How do the different substances affect the growth of the plant and the time it takes for walking water for science Fair Re: Question about Walking Water activity Can you please clarify your question? The walking water activity isn't about plants, so if you can explain what project you are doing and what question you have, it would allow Experts to help. Amy Science Buddies Read more

book recommendation on ancient astronomy for kids

Ask an Expert Topic Forum: STEM Activities

book recommendation on ancient astronomy for kids book recommendation on ancient astronomy for kids Is there a good book that introduces in detail about the ancient methods used by Greeks or Indians or Chinese or Babylonians etc to perform astronomy observations and measurements please? like a book that consolidated Eratosthenes, Cleomedes etc. Re: book recommendation on ancient astronomy for kids We are happy to help with project questions here at Ask an Expert, but for book… Read more

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