Science Experiments

Posts Tagged ‘psychology’

Question: Help with any these 2 math questions? 10 pts best answer!?

1. A science experiment produced 10,230,000 cells.What is this number in scientific notation?

2.A sample consists of 124 separate events that are equally likely.What is the probability of each?

if there is worked needed, will you please show me?! thanks in advance!

Answer: 1. A science experiment produced 10,230,000 cells.What is this number in scientific notation?

1.023 x 10^7

2.A sample consists of 124 separate events that are equally likely.What is the probability of each?

1/124

= .0080645 = .0081

= .81%

Statistics: Experiment, Outcomes, Sample Space

Question: The Vatican and science: would you like to perform a fun experiment?

Here’s a quote from a NYTimes article:

“In 2003 a senior Vatican official claimed condoms had tiny holes in them through which HIV can pass, exposing thousands of people to risk.”

Now for the experiment:
Take a condom.
Fill it with water.

Does the water stay inside?

And now, fun fact: a water molecule is approximately 10 000 times smaller than a virus.

Have a nice day!

Answer: What I think the pope was trying to say is tht condoms dont have a 100% success rate (cause they do break) where as absistaince dose.

But having said that the pope is living in a fansty land where no one has pre-martial sex.

Brian Cox: What went wrong at the Large Hadron Collider

Question: What is a good title for my science experiment?

It is about whether deforestation affects the buildup of greenhouse gases in the atmosphere and has to do with plants. Also: what is a variable or control group in an experiment (please answer this as simple as you can because i looked on other websites but the way they explained it was too complicated to understand.

Answer: a basic title may be ~Is Deforistation a cause of global warming ?
a control group is a sample or object that is left in it’s natural state
for example
an experiment to find out what hapens when you put white roses in a vase containg an amount of ink in the water
use 4 roses
1st in water with one drop of blue ink~slight bluish tint after 3 days
2nd in water with three drops of blue ink~deeper blue than the 1st
3rd in water with three drops of red ink~rose is a red shade
4th just in water~rose is white
from the above you can then conclude
the amount of ink in the water affects the colour .more ink is a darker shade
the colour of the ink affects the colour~blue +blue
red=red.
the control rose in plain water shows no colour change
conclusion putting coloured ink in the water changes the colour of the white rose
as you can see if you do not use a control you could not say it is the ink that causes the colour change

http://news.bbc.co.uk/cbbcnews/hi/find_out/guides/world/global_warming/newsid_1575000/1575441.stm

hope this helps

Mind Control Experiment