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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
How do you get agarose gel to solidify when it doesn't solidify after 10 min in the refrigerator?
Try increasing the concentration of agarose in your gel mixture or extending the cooling time in the refrigerator. You can also check if the agarose powder is expired or if there was an error in the preparation process. If the issue persists, consider using a different brand or batch of agarose.
What factors must be carefully control in the Kirby-Bauer method?
purity of culture, depth of seeded layer, incubation temp, agar temp, size of inoculum, distribution of inoculum, incubation period, diffusion rate of antibiotic, concentration of antibiotic on disk, growth rate of bacterium.
How do you fly a rocket with a one pound payload?
You would need a very powerful motor for a one pound payload. -At least an 'F' series.
How do you build a paper boat?
Below is a link that features a number of tutorials on how to make a variety of paper boats .
How do you make an ice cube not from melting?
Well, first thought would be keep in in the freezer.
Covering the ice cube with an insulating material would help, sawdust or woodchips is what they used to use many year ago.
What organisms did cohen and boyer use in their experiment?
The organism that Cohen and Boyer used in their experiment was an amphibian gene encoding rRNA.
Why can't you test more than one variable in an experiment?
you can't because you will not have the right results to the experiment.
- In order to make sure you are getting good results from an experiment you should conduct repeated trials, use only one control group, have as many individuals as possible in both the control group and the experimental group, and test only one independent variable at a time.
Hope that helped!
How can you separate substance using chronography?
This looks to me like a confusion with "chromatography". Say you put some liquid substance on a piece of paper. Some molecules will move (diffuse) faster than others; thus, the substance becomes separated.
Why does having more than one variable complicates the results of an experiment?
Because you can't be sure what about the variable is changing or how it changes. The different factors of the variable can also change the experiment in different ways, therefore making the experiment more complicated.
What one is more popular with the youth quality paper or yellow press?
I think that quality paper is more popular cause it takes us information that is true, while the yellow press makes only a big number of gossips.
Which progress can be used to separate sand and water?
A simple filter would be suitable for separating sand and water. An alternative would be to evaporate the water, leaving the sand behind.
Who founded experimentally that the speed of a falling object is not proportional to its weight?
Galileo Galilei
More of the sun's heat trapped in the atmosphere would mean the greenhouse gases would become warmer. The earth and the atmosphere would become hotter, and global warming would speed up.
Use a more precise meter for measuring resistivity of the samples.
What is the biggest book on Earth?
maybe the guiness book of records........Also i know that my dad, who is a lawyer, has many thick volumes that he had to learn as a law student so maybe the biggest book is a law book that they would use in England or something.
What stone is the hardest stone?
Diamonds is not a stone it's crystal actually.
But the hardest stone is granite stone.
The blue dustbin is for recyclable waste like paper, plastic, and glass, promoting waste segregation for recycling. The green dustbin is for organic waste like food scraps and garden waste, promoting composting and reducing landfill burden. Encouraging their use helps in efficient waste management, resource recovery, and environmental conservation.
No, 10cc equals 10ml. A milliliter and a cubic centimeter are the same amount of volume.
In an experiment is the control group used to test the effect of the independent variable?
i dont know u tell me you dummy
What is the independent variable of corrosion?
It depends on the experiment. It could be the substance that is corroding, time, humidity, temperature, presence and quality of protective coating or many other possibilities.
Today radium has only limited applications in research laboratories, for example for the preparation of radon standard solutions, in neutron sources of the type Ra-Be, etc.
Possible use in radiotherapy of some cancers.
Radium was used in the past for luminescent painting of watches and other instruments, was used in toothpaste, cosmetics, etc. These applications are not permitted now because radium is strongly radioactive and dangerous.
