Questions chemteacher has answered (90)
- is the color of coal supposed to show through right after pouring the liquid mixture on top? also what is the hypothesis for this?
- I am a 5th grader and I would like to make fake rocks using glue and water for a science project, is this possible and where can I do my research?
- My son is very smart. He is gifted in middle school, but he is struggling in biology. I dont know what to do?
- Why does the acid change the color back to its original color in the activity "Watch acids and bases produce color!"?
- I have a 4th grade girl and I have never done a science fair project? I need to know where to start? We need a great topic nutrician or dogs?
- what is a good project for a 4th grader who has to use measured variables and can not use live plants, animals, or any type of bacteria?
- What 2 numbers can you subtract, using the numerals 3, 4, 7, 8, 9, & 9, to produce a difference of 4.25?
- I need to write a bibliography for this article. Could you please give me the necessary information?