Jump to main content

Ask an Expert (top 2,000 results)

Ask an Expert Topic Forum: Grades 9-12: Physical Science
Question about Generate Electricity with a Lemon Battery activity Question about Generate Electricity with a Lemon Battery activity On the lemon energy experiment is there a way that I can measure that amount of electricity and then compare it with the electricity from other fruits and vegetables? Or just something I could measure. ------------------------------------- Leave this to help the Experts: The activity can be viewed at:… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Orange v Sports Drink Resistor Orange v Sports Drink Resistor Materials state that there is a resistor required, but it is not in the procedure. Where does the resistor fit into the procedure. I am not getting a good reading and have secured and tried every other trouble shooting trick. Thank you Re: Orange v Sports Drink Resistor Hi - The resistor is included in the kit. It is not used in the procedure. It is used for troubleshooting - if you think you have blown a fuse. There are… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Question about Exploring Enzymes activity Question about Exploring Enzymes activity For the enzyme lab where we can add the enzymes found in yeast into hydrogen peroxide, in the explore further section, if we wanted to know how environment affects the reaction and wanted to change either pH or temperature, do we change the environment of the hydrogen peroxide and soap solution or the enzyme solution? Please answer as fast as possible its for a School assignment. Thank you very… Read more
Ask an Expert Topic Forum: Grades K-5: Physical Science
Science fair Science fair My sons doing a science fair project showing soda and diet soda which float and sinks .. what would you write for the purpose? Re: Science fair Hello! The purpose could be to investigate and compare the floatability properties of regular soda and diet soda. I hope this helps! Re: Science fair The purpose of the science fair project is to investigate and compare the density of soda and diet soda to determine why one floats while the other one sinks when placed… Read more
Iodine 1% in a project that calls for 2% Lugol's Iodine Solution Iodine 1% in a project that calls for 2% Lugol's Iodine Solution (Posted on behalf of an international student who can't access the iodine solution called for in the project.) -- Can they use what they have locally, which is 1% iodine, for the experiment. Will this work for this project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Chem_p044/chemistry/which-orange-juice-has-the-most-vitamin-c [b]The… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Help on CC motor and arduino H bridge programing elevator circuit Help on CC motor and arduino H bridge programing elevator circuit i have an elevator circuit that tells me what floor im on after pressing a button but the voltage isnt enough to activate the motor for the going up and down part of the elevator and i need help to get this to work in zync with the buttons pulses in order to work properly Re: Help on CC motor and arduino H bridge programing elevator circuit Hi, You may want to… Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Question about Make a Lemon Volcano activity Question about Make a Lemon Volcano activity Type your question below and then press Submit! -are lemon volcanoes edible after you use them? Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/make-lemon-volcano]Make a Lemon Volcano[/url] Re: Question about Make a Lemon Volcano activity Hello, I would not recommend eating the lemon volcanoes. However, they are edible. I hope… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Raspberry pi electric piano with light Raspberry pi electric piano with light I am doing this raspberry pi project electric piano with lights. I bought raspberry pi 4 model from Amazon as it is not available on science buddies. Can somebody help me in setting up the circuit with gpio pins so I can work on scratch and get the leds light up. TIA [Administrator note: https://www.sciencebuddies.org/science-fair-projects/project-ideas/CompSci_p053/computer-science/electronic-piano-raspberry-pi … Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
How to identify plastic in water How to identify plastic in water What are some methods mentioned in the provided text that can be used to detect plastic in water using an Arduino? How does the suggested camera method work, and what precautions should be taken to ensure safety? Read more
Is Earth science taught at high schools in your state? Is Earth science taught at high schools in your state? I am a high school Earth science teacher in NY currently but considering a move out of state. It’s relatively easy to find earth science job openings in NY due to the Regents exam. Out of curiosity, is earth science commonly taught in your state (and where do you live)? Thank you for helping me informally collect some data. Re: Is Earth science taught at high schools in your… Read more
< 1 ... 72 73 74 75 76 ... 200 >
Top
Free science fair projects.