science (matter)

35,695 results

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 ...

science

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''

science

Is concrete a heterongeneous or homogeneous mixture? Your exact answer here: http://www.usoe.k12.ut.us/curr/Science/sciber00/8th/matter/sciber/matter.htm

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?

science

Give 2 examples of things that are not matter and explain why they are not classifed as matter

science

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 ...

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 ...

science

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

science

does everything you see fit the definition of matter? can you see all kinds of matter? how can helium take up space?

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???

Physics

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)

science

The amount of matter in an object is its______. The amount of matter in a given space or volume is its_______.

cycles of matter (life science)

How does the Laws of Conservation of Matter and Energy relate to the Cycles in Nature?

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?

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?

science

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

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 ...

Science

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 ?

Science

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?

Science

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 ...

Science

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.

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 ...

science

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

Physical Science

Hello! Thanks for checking my question out! ____ Fill in the Blank 10. The _______________ theory of matter states that all particles of matter are in constant motion. (1 point) My Answer: kinetic Could someone please check my answer? Thanks! - Da Fash

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

science

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-

Science

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 ...

science

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...

science please help

the ability to cause changes in matter is a result of the following____________ A.mass B.energy 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 ...

science

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: http://www.chem4kids.com/...

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 ...

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.

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 ...

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.

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. ...

Physics

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.

Intro to Physical Science

Define physical science Andrew: I went to www.dictionary.com 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 ...

Astronomy

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 ...

Science

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 ...

Science

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!

English

1. I am sure that she is intelligent to deal with the matter. 2. I am sure that she is intelligent because she deals with the matter. 3. I am sure that she is intelligent because she dealt with the matter. ------------------------------------------- Does #1 mean #2 or #3? Or ...

earth science

which of the following is NOT a major component of soil a)mineral matter b)air c)humus d)earth worms 2) a soils texture is determined by a) mineral composition B)type of humans c)water content d)particle size 3)the main source of organic matter in soil is a)water b)plants*** c...

science

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 ...

Cosmology

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

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...

science

what is matter?

SCIENCE

what is matter?

science

what is matter?

Science

What is matter?

science

what is matter

science

What is matter

science

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 ...

science

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...

Science

how do you classify matter

science

Why isn't heat matter

science

what is the recycling of matter

MRI

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 ...

Science

How does energy and matter relate?

Science

What is the Law of conservation of matter?

science

what is matter best described by?

science

what r the building blocks of matter

science

what is the flow of matter and energy??

science

what are three states of matter

science

what measures the quantity of matter

Chemistry

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...

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.

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 ...

Science

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 ...

science

what are two ways matter diffrent?

science

how does temperture affect the state of matter thank you

science

how does temperture affect its state of matter thank you

science

What is matter in which every particle is identical?

Science

What are three ways to measure matter

science

what is the flow of matter and energy is it waves

science

is a burning candle living matter?

science

what are mass, matter, and volume and how are they related?

Science

Could someone help me list 15 thing that are not matter? Thanks

Science

What is the most common state of matter?

science

how can understanding matter help in the real world?

science

What caused by matter that has an electric charge?

Science

How does matter move through the biosphere?

chemistry

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.

12th grade

why is damage to grey matter permenant and not white matter

science

What are the four states of matter? http://www.google.com/search?hl=en&ie=ISO-8859-1&q=four+states+matter

science

why is phase not a good way to classify matter?

Science

How does heat affect the three states of matter ?

science

IS GAS THE MOST IMPORTANT STATE OF MATTER?

Grade 7 Science

Why are matter cycles essential in an ecosystem?

Science

combanation of two or more types of matter

science

list 2 exanples of chemical properties of matter

7th grade science

what is the flow of matter and energy?

Science 8R

What is matter? (I LOOKED in my textbook it's not there and plus I forgot what it was)

science

why is viscosity such an important property of matter?

Science

Are compounds chemical or physical changes of matter?

science

An objects _________ does not change no matter where in the university

science

how does cycling of matter occur in earths mantle?

Science

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...

English

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.

Science

What is special about characteristic properties of matter? They do not change.

science

i need a picture that explains the law of conservation of matter

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