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Struggling to help my 5th grader understand the Liquid Density of Lamp Oil

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

Struggling to help my 5th grader understand the Liquid Density of Lamp Oil Struggling to help my 5th grader understand the Liquid Density of Lamp Oil My daughter has just done the Seven-Layer Density Column Science Fair experiment found here https://www.stevespanglerscience.com/lab/experiments/seven-layer-density-column/ We are tracking that Lamp oil (refined kerosene) has an .81 density measurement and Rubbing Alcohol has a 0.79 density measurement. Although the numbers are showing that… Read more

copper measuring kit

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

copper measuring kit copper measuring kit I am doing a project for phytoremediation with plant. I bought copper measuring stripes to measure the copper uptake of a dried plant. But the copper test strip does not seem to work. any alternate ways to measure copper and sulfate? Re: copper measuring kit Hello! I don't know of any alternative methods for measuring copper uptake that wouldn't require access to expensive machinery in a chemistry lab. But I think the copper test strips should… Read more

Does Color Affect Taste?

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

Does Color Affect Taste? Does Color Affect Taste? I'm having trouble figuring out what the control would be for this experiment. Since we are using apple juice and adding different colors, I think that if we just have plain apple juice as the control would clue the students on what they were drinking which would skew the information. Can you help? [Administrator: link to project:… Read more

Mousetrap car help

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

Mousetrap car help Mousetrap car help Currently my mousetrap is not moving. I'm not sure if I'm tying it back correctly but I wind it up and it doesn't move. What are some potential problems that could be happening? Read more

Removing Carbon Dioxide from soil to help with Global warming

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

Removing Carbon Dioxide from soil to help with Global warming Removing Carbon Dioxide from soil to help with Global warming Hello, I was thinking that to help with global warming we might be able to start taking carbon dioxide out of the soil we use for farming. I had an idea where I could take some soil samples from my back yard, divided them into two groups, potentially take the carbon dioxide out of one group and then plant plants in both soil sample groups and see what happens. I believe… Read more

Science Fair Topic: How can we stop caffeine addiction?

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

Science Fair Topic: How can we stop caffeine addiction? Science Fair Topic: How can we stop caffeine addiction? Hypothesis: If Rhodiola Rosea is taken, then it will produce the same effects as caffeine. Tests: Before the test starts, the subject will have an EEG placed on their head, and then the subject will drink either caffeine, Rhodiola rosea, or just plain water. The subject will not know which one they are drinking. First, the subject’s reaction time will be tested. with the below… Read more

Science Fair Title Name

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

Science Fair Title Name Science Fair Title Name I'm trying to come up with a catchy title for my science fair project. My project is basically trying to figure out which moisturizers work the best to keep skin moisturized. Re: Science Fair Title Name Hi Hailey24, This sounds like a great project! You could go with something creative or catchy like: - Moisture Mania - Moist Membranes - Lotion Lollapalooza - Lotion Commotion Or, you could go with something more informative that uses both… Read more

soaptoday

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

soaptoday soaptoday Soap2Day is a internet site that initially supplied hyperlinks to movies and TV indicates like a large index of streaming assets. It is an alternative to 123movies which is loose complete movies extension that assist you discover conventional and modern 2021 films & TV series facts. Now seek the movie and click search and watch for Free. Click here for more details: [url=https://soap2day.quest:1jejtes2]soaptoday Read more

best memory foam dog bed

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

best memory foam dog bed best memory foam dog bed A quick seek on the Internet indicates you simply how many canine mattress designs there are. These days, producers lead them to as lovable as your animal. They’re constructed like miniature sofas with bone pillows, chaise lounges, cloth cabinet drawers, and canopy beds. You should buy them in novelty designs: a slipper, a race automobile, a hot canine bun, a donut. Some, like tee-pees, are foldable or collapsible, even as others you may blow… Read more

Done it 3 times and failed each one

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

Done it 3 times and failed each one Done it 3 times and failed each one Hi! So in the experiment “how sweet it is” the procedures ask you to make a dilution series, which I have done 3 times now. But when I use the test strips (from the kit) to measure the glucose reading it comes back negative even for the highest concentrated solution. I have also tested it with other test strips that I previously owned but those didn’t work either. I am positive that I was putting in the right amount of… Read more

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