Ask an Expert (Page 146)

Pitch Perception

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

Pitch Perception Pitch Perception I’m interested in doing the “Pitch Perception” project for my STEM fair project. This particular project calls for (group 1: pianists, group 2: violinists and group 3: non-musicians). My thinking on this: • Group three they call “non-musicians.” Trouble is, a lot of my friends have a couple of years of piano but do not currently play. Would it be best to call Group 3: “Neither?” That way, any experience with an instrument other than piano or violin would… Read more

Environment science

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

Environment science Environment science I have decided to do an experiment about oil spills and its impact in wildlife. Basically experimenting how to clean up oil spills on the feathers of birds. I am getting confused about my variables. From my understanding Water is my controlled variable. My independent variables, the amount of detergent used in the water and my dependent variable is the feather dipped in oil. Please let me know if my assumptions are correct to write methodologies. To… Read more

Can any one tell me what a great hypnosis for a the maglev Train thanks i would really appreciate it thanks thanks a a a

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

Can any one tell me what a great hypnosis for a the maglev Train thanks i would really appreciate it thanks thanks a a a Can any one tell me what a great hypnosis for a the maglev Train thanks i would really appreciate it thanks thanks a a a Can any one tell me a hypo this for a maglev train I would really appreciate it Read more

EGGSHELL expirement help with the variable

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

EGGSHELL expirement help with the variable EGGSHELL expirement help with the variable Hello My DD has a science project that involve her doing an experiment to answer the question : Which liquid will dissolve an eggshell the fastest? 4 Clear plastic cups • 4eggs • 200ml of cooled black coffee • 200ml of orange juice • 200ml of coca cola/pepsi • 200 ml of tap water My question is what are the dependant variable, the independant variable or the controlled variable ? Re: EGGSHELL expirement… Read more

Effects of Mortein

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

Effects of Mortein Effects of Mortein How harmful are products such as Mortein for aquatic and marine life and biodiversity? Does is it affect fishes and even algae the same way it affects mosquitoes? And if it is harmful what can be done to ensure that products like Mortein only affect mosquitoes and not the aquatic life when added to water? Re: Effects of Mortein Greetings! Mortein consists of two active ingredients that fall into the category of pyrethroid neuro-toxins. There have been… Read more

Create video game for delay Alzheimer's disease

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

Create video game for delay Alzheimer's disease Create video game for delay Alzheimer's disease Hoping someone can help us with this idea project. My son (5th grade) want to create video game for school science fair based on initial studies have already presented the possibility of people gaining anti-dementia and Alzheimer’s disease benefits from playing video games. He is using CodeSpark academy application. Very simple coding for kid at his age. His ideas are simple interactive puzzles… Read more

Alternative sources of energy/electricity

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

Alternative sources of energy/electricity Alternative sources of energy/electricity Hello, I wanted to make a project regarding alternative sources of energy or electricity for ISEF, but I'm not sure how to go about finding something challenging but still feasible for me to accomplish since my access to equipment and knowledge of physics is limited, though I'm alright with biology and chemistry. I've recently been looking into muons as a source of energy, both regarding fusion at lower… Read more

Need help making a if then because hypothesis.

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

Need help making a if then because hypothesis. Need help making a if then because hypothesis. Hi, I am working on a RISE project for school and I need help coming up with a hypothesis. My objective for this project is to Learn how to take blood pressure readings, and test a population of children, adults to determine if blood pressure depends upon age or mood. My research question is Does a Human’s Blood Pressure Depend on His or Her Age or Their mood? Could you help me? Re: Need help… Read more

Question about Make Ice Cream in a Bag activity

Ask an Expert Topic Forum: STEM Activities

Question about Make Ice Cream in a Bag activity Question about Make Ice Cream in a Bag activity Does it have to be zipping bags? Re: Question about Make Ice Cream in a Bag activity Hi - Because you will need to shake the bag, you do want a bag that can be sealed closed. Amy Science Buddies Read more

Effect of Various Enzymes on Degradation of Fruits

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

Effect of Various Enzymes on Degradation of Fruits Effect of Various Enzymes on Degradation of Fruits I'm doing an experiment where I test different enzymes to see which ones are the most efficient at reducing fruit waste and at which concentrations they work best. It's similar to this experiment I found: http://csef.usc.edu/History/2006/Projects/J0413.pdf, but I'm going to be testing more types of enzymes. I know pectinase is efficient as it breaks down plant cell walls, but which other… Read more

Ask an Expert (top 2,000 results)

Explore Our Science Videos