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Forum: Preparing for the Competition
Help With ISEF Project Presentation
Help With ISEF Project Presentation
Hi everyone,
I'm a freshman in high school and I just got qualified for ISEF.
What are some tips for the 7-min presentation with the judges?
Here is my project board for reference: https://projectboard.world/isef/project/robo053-robot-arm-that-sorts-garbage-with-machine-learning
Thanks!
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Forum: Grades 6-8: Life, Earth, and Social Sciences
Disinfectant / Bacteria project problem
Disinfectant / Bacteria project problem
Posted on behalf of student
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I am using the bacteria growing kit and was doing the disinfectants experiment. (https://www.sciencebuddies.org/science-fair-projects/project-ideas/MicroBio_p012/microbiology/how-well-do-disinfectants-work)
I used plastic cups as my fomite (rather than the cutting board) and used water as my control group. I have the plates on cookie sheet…
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Forum: Grades K-5: Physical Science
Science Buddies Build a Simple Drone and Test How Much It Can Lift
Science Buddies Build a Simple Drone and Test How Much It Can Lift
My 10-year-old son is working on a science fair project from Science Buddies called "Build a Simple Drone and Test How Much It Can Lift." We purchased the drone kit (made of popsicle sticks) from Home Science Tools. We followed the directions precisely. We got all the propellers to spin in the correct direction. It is still too heavy to lift. We tried…
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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.
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Leave this to help the Experts:
The activity can be viewed at:…
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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…
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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…
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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?
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Forum: Grades 9-12: Life, Earth, and Social Sciences
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.)
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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…
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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…
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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…
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