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Jack tries to place magnets on the door of his refrigerator. He observes that the magnets don and rsquot stick. He guesses that the door of the refrigerator is made of a nonmagnetic substance. What st?
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Which statement is an obervation if the ramp is steeper then the ball will roll faster or friction slowed the ball down or gravity caused the ball's motion?
"If the ramp is steeper than the ball will roll faster" can be observed during experiments. "Friction slowed the ball down" and "Gravity caused the ball's motion" are both conjectures (guesses).
Does the wave transport the ribon from its original position to the end of the rope?
Sounds like an observational question to me. What did you SEE when you did the experiment? We don't know what happened; only someone who actually did this particular experiment could possibly know. We could make some guesses (if you had given us more details), but we wouldn't KNOW.
Is it difficult to draw meaningful conclusions without very careful experimentation?
Difficult isn't the word I would use. It is impossible to draw meaningful conclusions without careful observation and experimentation, and it would be dangerous to try, because there be the monsters of error in those waters. You might get lucky once, but it isn't about luck. Guessed answers aren't useful, and answers not based on observation and experiement are nothing more than guesses.
Who discovered the atom?
In the 5th cent. B.C. the Greek philosophers Democritus and Leucippus proposed that matter was made up of tiny, indivisible particles they called atom, or in Greek "a-tomos". The reason why they assumed this is because nothing can come from nothing. Around 1803, John Dalton (1766-1844) developed the first useful atomic theory of matter. He imagined the atom as a sphere full of an electrically positive substance mixed with negative electron. Then in 1897, Thompson discovered the first component part of the atom: the electron, a particle with a negative electric charge.Discovery of the AtomBy the 19th century, technology had advanced greatly and many elements had been discovered to work with. Using the available elements scientist such as John Dalton and Amedeo Avogadro forced them to interact with one another. From these interactions they were able to prove the existence of the atom.AnswerThat depends on exactly what you mean by "discovered."Jainism had a concept of small particles similar to atoms in the 6th millennium BC, and either Democritus or his mentor Leucippus (or possibly both together) independently came up with the idea (and the word "atomos", which is Greek for "uncuttable") in the 5th century BC. However, these were essentially lucky guesses; there was no real scientific basis behind them, so saying these people "discovered" atoms is a pretty big stretch.The best candidate is probably John Dalton, who in the early 19th century proposed (based this time on experiments) that substances were composed of tiny discrete particles, and even assigned relative weight values to several types of these particles. The word Democritus had used was "Englishified" slightly to come up with the modern word "atom" to refer to these particles.AnswerJohn Dalton was the first who introduced the idea of atom. Atom, the very word, means inseparable or indivisible. Based on that idea in chemistry many laws have been stated such as, law of coservation of mass, law of multiple proportions etc etc.
Do the groups in the periodic table go down or across?
The groups in the periodic table of elements (the "normal" one) go down the chart. That's because we arranged the elements in increasing order of atomic number, but also in order of valence electron count. It is by looking at the position of an element on the periodic table that we can determine the number of electrons in its outer or valence shell, and we can, thereby, make some good guesses about its chemical properties. As a quick "for instance" here, look at the elements going down the left hand side of the table. These are the Group 1 elements, which are hydrogen, lithium, sodium and on down. And all of them have one lonely electron in their valence band. If you guessed that these elements are reactive and are looking to "hook up" with elements that want to borrow electrons, you'd be right. Further, if you consider the elements that lack only one electron in their valence band from having a full outer shell, which are the Group 17 elements beginning with fluorine, chlorine and the rest of the so-called halogens, you'd guess that these elements are also highly reactive and want to borrow an electron real bad. The last piece of the puzzle is that if you put one atom of a Group 1 element with 1 atom of a Group 17 element, you will get a chemical reaction where the Group 1 element gives up its valence electron to the Group 17 element because that element steals it. The elements form a chemical compound with an ionic bond, and they do so in a one-to-one ratio in every case. That's the whole idea behind the construction of the periodic table of elements. It lets us guess with just a glance what kind of things we can expect of the elements we inspect as regards their chemistry - how they react with other elements. Simple and easy for us, but the table and its construction represent the "coming together" of the life's work of a number of bright and creative scientists. Why not honor them and learn a few things about this handy, clever construct and what it can do for you? If you need a link to a good periodic table, use the one below. It will take you to the Wikipedia periodic table, and what's cool is that each element is a hyperlink to the Wikipedia post on that particular element. What a clever idea.
Do you spell guesses like this?
Yes, the conjugation (or plural of a guess) is "guesses." I guess. You guess. He guesses.
How did people in the renaissance explain the moon and stars?
they made random guesses they made random guesses they made random guesses
What is the plural word for guess?
The possessive form for the singular noun guess is guess's.
What is the plural form of the guess?
The plural of guess is guesses, e.g. It took him several guesses before he got the answer.
How many syllables in guesses?
The word guesses has two syllables. The syllables are divided like so: guess-es.
Plural form of guess?
guesses
Which is true about assumptions?
They are best guesses
What is a Ants in who guesses of Ants?
Elmo's Ants.
What is the plural word form for guess?
it is guesses
Who has the company motto Guesses Unlimited?
The answer is "HYPOTHESIS"
How many syllables does the word guesses have?
2
What is that website where you sing into your computer and it guesses the song?
midomi.com
