March 24, 2017

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science help PLS
Which of the following statements about matter is false? The amount of matter increases slightly as water changes state. The amount of matter in an object remains the same during changes in state. Matter is neither created nor destroyed. Liquids, gases, and solids are all ...
November 9, 2015 by Oscar

What is matter? And four examples of objects/substances that would be classified as ''matter'' Please help me with this question and anyhting else you know about ''matter''
September 17, 2007 by Megan

Is concrete a heterongeneous or homogeneous mixture? Your exact answer here:
June 10, 2007 by Astrid

physical science
how does matter connect to science? how does matter connect to the world? how does matter connect to you? how does matter connect to math?
September 30, 2007 by kim

Give 2 examples of things that are not matter and explain why they are not classifed as matter
February 5, 2013 by teacher1

1. How do you know when something is gas? 2. What is gas made of? [I think it's molecules and atoms?] 3. How do you know when something is matter? [I believe that when something has a mass and volume..its matter. Is that correct? 4. Is gas matter? [This question got me ...
January 23, 2008 by Jeanine

science- I need help!
1. How do you know when something is gas? 2. What is gas made of? [I think it's molecules and atoms?] 3. How do you know when something is matter? [I believe that when something has a mass and volume..its matter. Is that correct? 4. Is gas matter? [This question got me ...
January 23, 2008 by Jeanine

How does the law of conservation of matter apply to mixtures? The law of conservation of matter is a law that states matter cannot be created or destroyed. But how does that affect mixtures HELPPPPP
May 3, 2016 by student

does everything you see fit the definition of matter? can you see all kinds of matter? how can helium take up space?
April 8, 2010 by jeremias

Science 8R - help
Homework - Look around your house and give an example of each phase of matter phase of matter is gas, liquid, and solid????? right???
November 13, 2012 by Laruen

The amount of matter in an object is its______. The amount of matter in a given space or volume is its_______.
September 5, 2009 by Kaleb

cycles of matter (life science)
How does the Laws of Conservation of Matter and Energy relate to the Cycles in Nature?
March 24, 2013 by Anonymous

Ray of laser start from the air and collide with the middle side of some matter > How many total internal reflections done in this matter ?? n ( matter)= 1.48 n (air)= 1.00 The length of matter = 42.0 cm The width of matter = 3.1 mm Ray of laser collide by angle =20(degree)
November 14, 2007 by mo

Integrated Science
The sun converts matter to radiant energy at a rate of 1.4 x 10 to the 17th power kg per year, how much matter is converted into energy every second?
March 18, 2010 by Carole

7th Grade Science
What can be inferred after performing the experiments in the atomic theory lab? A) Where matter comes from B) How salt is formed C) If salt can dissolve in water D) If matter is created or destroyed Is it D?
August 21, 2012 by kathy

soil_________ a) is completely composed of living matter b) characteristics determine what plants can grow in it c) can be formed quickly d) is acidic if it contains a great deal of moss e) contains only inorganic matter b
September 9, 2010 by pam

physics- Space
How does the amount of dark matter in the Universe compare to the amount of ordinary matter? In what way is dark matter similar to ordinary matter? In what way are they different? I got the first one which dark matter is 23% of the universe. But for the other questions, the ...
April 12, 2015 by Anonymous

What is special about characteristics properties of matter? A. The state of matter is the same B. The atoms rearrange C. They do not change D. All the properties change I don't understand the ?
April 16, 2007 by Missy

In a wheelbarrow, you have 2 kilograms of soil for your garden. If 8 percent of it is organic matter( decayed materials from organisms), how many grams of organic matter do you have?
February 28, 2008 by Dee

Does air have mass? I think it does because air takes up space so it is matter and matter has mass. right you are. To weigh it is a bit tricky. One way is to compress it.
April 25, 2007 by Missy

Check my answers please? Imagine that you remove all the atoms from a chair. What remains? 1. nothing 2. a pile of dust I choose 1. Which of the following is not made of atoms? 1. heat 2. a solid 3. a gas I choose 1. What about matter is true? 1. atoms are not matter but they ...
December 18, 2014 by Mayflower

Science, Astrenomey
This is my theory, read well if you wish to know the truth: according to the big bang, there is a equal amount of anti-matter to the matter, BUT nearly all that matter is missing! In this theory there was NO anti-matter when the earth was made. anti-matter is made when ...
August 23, 2012 by The Curse Word Destroyer, age 11

The Big Bang Hypothesis suggests that 20 billion years ago a) life first formed on the planet earth b) all matter collapsed into a single ball c) our sun was born d) space was much the same as it is today e) matter did not exist a
August 13, 2010 by ant

phsyical science
the weight of an object is a) the force of earths gravity b) measured in kilograms c) the amount of matter it contains d)never changes no matter where the object moves in our solar system e) the number of particles it contains
April 12, 2010 by Andrea

ok this is a word search! study of ancient artifacts- study of animals_ study of prehistoric fossils- study of chemical matter- study of the laws of motion and matter- study of life sciences-
November 11, 2007 by Moe

For each reaction in a lab I have to write: 1. the balanced molecular equation including states of matter 2. the balanced complete ionic equation, crossing out spectator ions, including states of matter 3. the balanced net ionic equation, including states of matter How do you ...
March 29, 2007 by Al

how far can sound go on for There is no limit to how far sound can go, as long as there is a matter-containing "medium" for it to pass through. It just gets weaker as it goes farther from the source. It cannot leave the atmosphere, because there is no matter beyond it. waht is...
September 10, 2006 by duzgun

science please help
the ability to cause changes in matter is a result of the following____________ A.mass C.force D.inertia Melting is a change in matter. Which answer could cause melting? i do not know hey im sorry to ask u this but what? Think. State your thinking, and why. I am not ...
April 17, 2007 by hot stuff

All matter is made up of what? What do you think? Margie: stop posting unless your are going to help students. Your silly responses are disruptive, and unnecessary. Thanks. I searched Google under the key words "matter" to get these possible sources:
November 14, 2006 by mightymirandaxx

9th grade
I'm doing this word search for my 9th grade honors physical science class, and i don't understand one thing. it says 'blue, striped and round are examples of this' when we're talking about matter and phases of matter and density/mass/weight/volume. stuff like that. ANY HELP ...
January 6, 2010 by Kelly

Science help plz
Since all matter is made up of atoms that have positive and negative charges, how can an object be neutral? Explain. thanks Well, if the number of postive equals the number of negative, we define that as neutral. They spread evenly in matter, so no net charge can be found.
December 3, 2006 by Josey

science 101
What is the difference between the way matter responds to a transverse wave and a longitudal wave? A. Matter moves in the same direction in a longitudal wave, and at right angles to the direction of a transverse wave. B. Matter moves at right angles to the direction of a ...
February 27, 2015 by LOL 101

Math in Science
Estimate the thickness of plant matter that produced a bed of coal 0.6 m thick. About how much coal would have been produced from a layer of plant matter 0.50 m thick.
October 5, 2015 by Zoe

Science 8A Check Answers
Will someone please check my answers as I need lots of help in science. 1. Which of the following is an example of matter? A. leaves B. shadow C. light from the sun* D. sound 2. Which of the following is an example of a chemical property of matter? A. ability to melt B. ...
November 17, 2014 by Haley

Intro to Physical Science
Define physical science Andrew: I went to and typed in physical science. The following is what it returned.I hope this helps. physical science  1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and ...
September 9, 2006 by andrew

One practical application of matter waves is A. Lasers B. X-Rays C. Electron Microscope D. None of the above My guess is A, but I'm not sure. "Matter waves" refers to the wave qualities of matter (as opposed to the particle qualities). Thanks.
April 14, 2009 by Alex

Basically the ``Bohr radius'' for the dark matter is rB=ℏ^2 / GN M m^2 where m is the dark matter mass, M is the total amount of dark matter mass contained inside the ``gravitational atom'', and ℏ and GN are constants as usual. Taking the dark matter to be of ...
October 1, 2013 by qwerty

What is the differnce between the way matter responds to a transverse wave and a longitudinal wave? A. Matter moves in the same direction in a longitudinal wave, and at right angles to the direction of a transverse wave. B. Matter moves at right angles to the direction of ...
February 16, 2015 by Callie

Your desk is classified as a solid because it has a definite shape and volume at _______________. 4th grade science lesson question under What are the states of matter section. Thanks!
February 5, 2010 by SEB

I need a little assistance. Can you help? The question which seems to be simple enough is What is a physical change? My son answered - A physical change is any change that alters the form or appearance of matter into a different substance. I do not agree. He is missing ...
September 17, 2012 by From a Mom

In order from earlier to later times, the dominant components of our universe have been: * dark energy, matter, then radiation * dark energy, radiation, then matter * matter, radiation, then dark energy * radiation, matter, then dark energy
January 16, 2013 by qwerty

11th grade Biology
Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created by living organisms. 16. Involved in the...
September 16, 2009 by Alicia

what is matter?
November 19, 2008 by preston jones

what is matter?
February 27, 2012 by MANDA

what is matter?
April 17, 2012 by sudhanshu

What is matter?
August 17, 2012 by Shrawan

what is matter
November 21, 2013 by Chris

What is matter
March 5, 2014 by thabang

I believe that our solar system formed by the same process as star formation. A huge cloud of dust and gas collapsed and condensed. Gravity pulled matter into the center core, nuclear fusion began, and our Sun was created. Remaining matter and gas clumped together to form the ...
August 31, 2016 by javier

Where does energy come from? Energy can come from the complete destruction of matter (as in nuclear reactions), or the rearrangement of electrons or other charged particles inside matter (as in chemical reactions) or from electromagetic fields (as in light and heat radiation...
July 24, 2006 by Sandra

how do you classify matter
April 17, 2008 by Tiffany

Why isn't heat matter
April 7, 2011 by Mckey

what is the recycling of matter
April 28, 2011 by richard landry

Hi, Excuse me, can you help me to solve? The normal human brain at 3 T has tissue T1 and T2 times. Which of the following shows the correct tissue-longitudinal magnetization pair after 30∘ flip angle and 400 ms time delay if the initial magnetization M0=1? (At 3 T, T1 ...
December 29, 2015 by Abd

How does energy and matter relate?
September 5, 2007 by Rosa

What is the Law of conservation of matter?
October 17, 2007 by pat

what is matter best described by?
November 27, 2007 by cassy

what r the building blocks of matter
December 15, 2009 by mary

what is the flow of matter and energy??
April 17, 2010 by suzzy

what are three states of matter
March 6, 2013 by jessica

The statement "matter can be neither created nor destroyed by chemical means, but it can be changed from one form to another" is the chemical law of A. definite proportions. B. atomic disintegration. C. conservation of energy. D. conservation of matter. im not sure if its c or...
February 25, 2015 by Dave

Chemistry - matter and energy.
Distinguish between the view of matter and energy in microscopic world and view matter and energy in the quantum mechanical world. I do not understand this question, i tried googling it, but hardly got something to give me an idea about. Please help.
February 16, 2011 by Farah

science, ipc
Which best describes longitudinal waves? ________________________________________ A. Compressions and rarefactions make up longitudinal waves, which can only travel in matter. B. Longitudinal waves carry sound energy and are made up of crests and troughs. C. Light energy ...
July 15, 2010 by Superman

differences between high-quality matter and low-quality matter, and give an example of each. Ok I have looked highand low and really can not find anything on this do you know of a web site maybe I could find out I really need to get this done and you all have come through so ...
September 5, 2007 by tracey

what are two ways matter diffrent?
September 22, 2008 by brianna

how does temperture affect the state of matter thank you
December 15, 2008 by Anonymous

how does temperture affect its state of matter thank you
December 15, 2008 by Anonymous

What is matter in which every particle is identical?
December 18, 2008 by nolan

What are three ways to measure matter
December 3, 2009 by Courtney

what is the flow of matter and energy is it waves
April 16, 2010 by mary

is a burning candle living matter?
April 18, 2010 by courtney

what are mass, matter, and volume and how are they related?
January 17, 2012 by sarah

Could someone help me list 15 thing that are not matter? Thanks
September 4, 2012 by Shadow

What is the most common state of matter?
December 11, 2012 by JACKSON

how can understanding matter help in the real world?
March 20, 2013 by Anonymous

What caused by matter that has an electric charge?
March 25, 2013 by ttuuffyy

How does matter move through the biosphere?
March 15, 2014 by Anonymous

need essay on,(a)Briefly describe the important similarity between light and matter revealed by Louis de Broglie's discovery of matter waves, and (b)list two important differences between light and matter waves.
January 15, 2009 by madison

12th grade
why is damage to grey matter permenant and not white matter
May 6, 2010 by JeemJeem

What are the four states of matter?
July 5, 2007 by al

why is phase not a good way to classify matter?
January 16, 2008 by jennifer

How does heat affect the three states of matter ?
January 30, 2008 by Damien

September 20, 2008 by SSS

Grade 7 Science
Why are matter cycles essential in an ecosystem?
January 5, 2009 by Peyton

combanation of two or more types of matter
April 29, 2009 by Lindsey

list 2 exanples of chemical properties of matter
September 1, 2009 by kayla

7th grade science
what is the flow of matter and energy?
April 16, 2010 by mary

Science 8R
What is matter? (I LOOKED in my textbook it's not there and plus I forgot what it was)
October 9, 2012 by Laruen

why is viscosity such an important property of matter?
February 26, 2013 by Dave

Are compounds chemical or physical changes of matter?
March 22, 2013 by Anon

An objects _________ does not change no matter where in the university
November 26, 2013 by Abby

how does cycling of matter occur in earths mantle?
October 25, 2015 by pankakes

1: TRUE or FALSE? Elements are pure types of matter. 2: TRUE or FALSE? Atoms are made from molecules. 3: TRUE or FALSE? Chlorophyll is needed for cellular respiration. 4: TRUE or FALSE? Matter and energy flow through food chains. 5: TRUE or FALSE? Chemical compounds contain at...
January 8, 2009 by Happy Face

Which sentences are correct? 1) Are you able to assist me on this matter? I would appreciate your assistance on this matter. OR 2) Are you able to assist me in this matter? I would appreciate your assistance in this matter. Thanks.
December 22, 2010 by annie

What is special about characteristic properties of matter? They do not change.
April 16, 2007 by Missy

i need a picture that explains the law of conservation of matter
November 20, 2008 by Amy

the tendency of the matter to resist change in motion is called?
February 13, 2009 by Sam

3rd grade science
How can matter get an extra electric charge?
April 8, 2009 by wendy

What explains why matter expands when heated and contracts when cooled?
September 7, 2010 by johnny

what is the state of matter in which particles have lowest energy
April 30, 2011 by loser

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