Ask an Expert (Page 80)

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

earth science fair porject ideas earth science fair porject ideas any ideas? Re: earth science fair porject ideas There are a lot of great options found on this website under Science Projects. If you look near the bottom left, there is a section for earth science project ideas. Hope this helps! Read more

detecting plastic with an ROV

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

detecting plastic with an ROV detecting plastic with an ROV I'm currently working on an engineering project relating to arduino. my team and I stumbled upon the idea of making a ROV that's controlled by a joystick and has a sensor that detects plastic. similarly to a video science buddies have posted but instead a camera, a sensor will be used. any idea how to install the sensor and program it, and what kind of sensor we should use? Re: detecting plastic with an ROV Hello! This is a very… Read more

Re: detecting plastic with an ROV

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

detecting plastic with an ROV detecting plastic with an ROV I'm currently working on an engineering project relating to arduino. my team and I stumbled upon the idea of making a ROV that's controlled by a joystick and has a sensor that detects plastic. similarly to a video science buddies have posted but instead a camera, a sensor will be used. any idea how to install the sensor and program it, and what kind of sensor we should use? Re: detecting plastic with an ROV Hello! This is a very… Read more

Building a motion-activated Guard Robot using vero-board

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

Building a motion-activated Guard Robot using vero-board Building a motion-activated Guard Robot using vero-board I want to create the Motion-Activated Guard Robot but instead of using breadboard I will be using vero-board, can I get help on how to start? Re: Building a motion-activated Guard Robot using vero-board Hi - can you be more specific about what you need help with? We have a tutorial about soldering… Read more

Question about How Do Viruses React To Soap? activity

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

Question about How Do Viruses React To Soap? activity Question about How Do Viruses React To Soap? activity Your picture of a detergent molecule/micelle and the statement/description of a detergent molecule are contradictory to each other. The illustration says the heads are hydrophobic and tails hydrophilic, but the written statement says they are similar to the lipid membrane of a cell with hydrophilic heads and hydrophobic tails. Clarification or correction? Thank you.… Read more

i need help making a lava lamp for 4th grade science fair

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

i need help making a lava lamp for 4th grade science fair i need help making a lava lamp for 4th grade science fair I don't know what makes it glow help me please Re: i need help making a lava lamp for 4th grade science fair Hello, Are you working on this STEM Activity? Make an Alka-Seltzer Powered Lava Lamp ( https://www.sciencebuddies.org/stem-activities/make-a-lava-lamp ) The picture at the top of this webpage that makes the "lava lamps" look like they are glowing has been taken… Read more

Paper Towels (title help)

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

Paper Towels (title help) Paper Towels (title help) I need to find a catchy title for my science fair project within the next three days. My project is about the absorbency of paper towels and which brand absorbs the most water once dipped in it for one minute. Re: Paper Towels (title help) Hello, That sounds like an interesting project! Here are a few name ideas: Powerful Paper: A Study on Paper Towel Absorption Sponge or Sham? An Exploration of Paper Towel Absorption Rates On Your Mark,… Read more

Rubberband Car Challenge

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

Rubberband Car Challenge Rubberband Car Challenge Many of my students are creating a slingshot style car within the guide lines / rules. All components are attached to the car and stay intact. Is this OK :?: Thank you! Re: Rubberband Car Challenge Hi - yes, as long as your students are following all the other rules (e.g. they're not building a slingshot with separate launcher and projectile parts or where the rubber band is not attached from the car), this style of car is OK! Re:… Read more

Underwater self-sufficient fuel cell

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

Underwater self-sufficient fuel cell Underwater self-sufficient fuel cell Hello, I am a 16 yo.old, I didn't know where exactly to ask this question but here goes... We know that using electrolysis, we are able to split water into hydrogen and oxygen. We also know hydrogen can be used as fuel. What if in an underwater vessel, we were able to construct a system where, water from the waterbody is collected in a tank, filter it, and electrolyse it. We would then get hydrogen and oxygen, of… Read more

Not sure I’m smarter than a first grader

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

Not sure I’m smarter than a first grader Not sure I’m smarter than a first grader My 7 yo granddaughter has a curious mind. The other morning on the way to school, the car wet with dew. When we stopped, a drip started to run down the windshield. Before the drip reached the bottom, we turned which made the drip go sideways rather than down. She asked why. I’m not sure if I gave her the correct info but I feel like there were 3 things at play. When we stopped and the dew on the car did not stop… Read more

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