how can we recognize physical and chemical changes (for science lab please help!)
Aqueous solutions of sodium carbonate and magnesium nitrate are mixed together.
A) Write a balanced equation of this reaction and predict their products. Include phase labels.
B)Write a complete ionic equation for this reaction, showing charges o...
Should pluto be considered a planet???
I'm doing science olympia and I need to know how to test the pH of a liquid using the most common method. does anybody know how?
How did astronomers know that SN 1006 was the brightest supernova?
how do you write this as an equation..
the sum of 100 and a number is equal to three times that number.
Are the environment doing enough about pollution??
has anyone had an outer body excperience?? or is it rubbish??
An important factor that organisms must contend with in stream systems is
I am currently writing an osmosis evaluaton for school. We conducted an experiment where we soaked potato chips in sucrose solution, however now I have come to write my evaluation one of my points is why you would replace the SUCROSE with SALT?
I hav...
fell asleep during science NEED QUICK HELP!!!
how does folding help form volcanoes...
please help FAST!!!
How does the concentration of a solution affect the degree of ionization ?
How much salt soes it take to float an egg
For biology I am learning about skeltons and bones and the structure of skeletons and my teacher asked us all to find the story of achiles as in the roman person as well as the bone in your foot please help its for tomorow!!! Please
ok so I have to do a sience fair relly soon and I havent selected a topic yet I need a fun interesting topic well it doesnt have to be amazing just some helpful ideas pleaseci want to deo something mabe with like animals or cooking or music or food or ...
how can I make a rat killer product? does anybody knows how?? thanks... :)
My parents had 5 kids, and three of them had brown eyes, one blue, and mine our hazel
My bfs parents have have the same combo
One blue eyed parent and one brown, and he got brown
What color would our kids be, is there a real chance of green or blue
I find a friend who said me there are 3 moons ,, please can you give me the names of the 3 moons ?
How many moon they re in univers ?
what is that bacterial culture by which we are able to know wheather the experimental bacterial cultures growth is good or not
I read that if you travel at the speed of light you can go back or forwards in time...how is this possible, I'm finding it hard to understand! Can someone please explain?
Did anyone in california feel the earthquake??
1.into what 2 stages is aerobic respiration? what happens in each stage and where does each stage occure
2.what is fermentation? who or what does fermentation?
I need these answered for a study guide I have and im confused about this
how does a bacteria in a pool differ from a cell in your body?
-if anybody can help me with this question that would be great(:
Can someone please explain to me what Evolution is but in a simplified form?
im trying to understand it by reading about it on wikipedia but its too hard to understand. someone
how can you tell if an object is movinng if its motion is too slow to see?
What are some facts about our galaxies???
How many milliliters water are needed to make a 0.171 m solution that contains 1.00 g of nacl?
There are Spiral, Lenticular, Elliptical, and irregular galaxies, what are some facts about each?
What is the formula for baking soda?
Any tips for using your subconscious mind to attract abundance to your life?
Have any of you heard of remote viewing?
If yes, what do you think about it?
And have any of you tried it?
why can you move the top part of your finger wthout moving the rest of it?
I heard from da great vine that in 2018-2020 that da world going to end by a big meter in the sky ckomin towrds the earth... also when I was little my mom and I were watchin the news (I was about 5 or 6) and she told me the world was going to end in 2...
why are we born with double(ex: 2 eyes,2hands,2 arms...etc.)
if we throw (1 feather) ( a tiny drob of water) which will fall first why?I think the tiny drob of water has a very freakin small weight . which can be neglected also the feather ... so what? why?
are they real?
are we the only people on a plant or are we not alone?
Why doesnt a cow mensturate?
What is the colour of the moon when the sun isis not shinning on it?
What is the Big Bang Theory?
is snow just a water molecule frozen?
Who here knows how to teleport yourself from other places from a short distance? I mean do you really believe there is really a person who has this kind of ability?? Or is this just a story...
Does anyone know a way to test water for bactirea???
I have to do a project for biology
and I cant use CANDY CLAY OR ANYOTHER TYPE OF FOOD.
and im gunnah use styrafoam/
can you help me on wha I should use to make it.
please
My daughter wants to do a her science fair project on something having to do with the Hadron Collider? Any ideas? She functions at about 8/9th grade level. Thank you for any suggestions! Sincerely, Kim
whats aculayy the general formula for (benzoic acid)?
I need help plezzz
1.Science is two things. Describe what those two things are.
2.Describe one difference and one similarity between science and pseudoscience
Is it true that you grow every second of your life?
Where can I get information on mars I need to describe it for science prodject I need a summery where can I find it or what you can tell me about it? Please it due tomorrow
Which earthquake in san fransisco was worse the one in 1906 or the one in 1989?
if it walks like a duck and quacks like one what is it
Describe 1 cellular activity that uses the energy released by ATP.?
What do colour of a star indicate?
A) size b) age c) distance d) temperature
I don't know I really intrested in this stuff I don't know Why I was Wondering how was our Galaxy made? the Universe and how every thing made? I know I dont believe the stuff that the BIgBang crap. but howdoes this Universe work out? Blackholes?Wormhol...
When an object has a set limit of growth and then exceeds that limit, then what would happen to that object? Does it implode/explode on its self, disappears, creates an unknown science action.
How many days can a man survive by only drinking water?
Whats the research type called that came up with evolution?
I know the author is darwin but asking for a type like astrology biology chemistry etc etc
What are the chemical reactoins for:
1) bread turning brown when making toast
2)ice meltin
3)pink cobalt carbonate turning balck when heated.
4)petrol evaporation
5)producing sawdust when cutting wood
Please help! Xp
Which cells in our body have the least regenerative power?
Im sure theres other theories just wondering why is evolution such a dominate theory?
Why did you decide evolution was the explanation?
If you have other ideas of how things came to be please tell Im always enterested in learning all I can learn.
Well I think religious people should be given the opportunity to prove their case. If science is what a lot look toward for explanations then logically religions should apply to science to prove their beliefs. The assumption you cant test god since you...
HEY what are some drugs that can take my mind off off of stress
What will fire do to foil?
Do you guys think that there's a end to space? like a big wall I mean. and if there is what do you think is on the next side?
Or do you think space just keeps going and going
If you can time travel for 1 day what would you do?
What would you change and why?
Can someone tell me the difference between a carbohydrate, lipid, protein, and nucleic acid and give me an example of each?
