Cute stuffed animal endorses my blog May 25, 2010
Posted by atozscience in H.Tags: Hammy Jr
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My first endorsement from a fan of the blog!
A is for atom May 23, 2010
Posted by atozscience in A, M, P, Q.Tags: atom, matter, particles, Quarks
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An atom is a particle that makes up everything. It is often called the building blocks of matter. Scientists used to believe that an atom was the smallest particle, but now they discovered subatomic particles inside a atom called quarks (for reference go to Q).
B is for Bohr’s model May 23, 2010
Posted by atozscience in B, E.Tags: Bohr's Model, electrons, nucleus, proton
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Bohr’s Model shows electrons in orbit in specific patterns around the nucleus. Later models showed that the electrons did not orbit around specific patterns but in all directions. Bohr’s model was one of the first models of what the atom looks like to be discovered.
C is for chemical reaction May 23, 2010
Posted by atozscience in C.Tags: chemical reaction
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A chemical reaction is when something’s chemical state changes. One example of a chemical reaction is a burnt marshmallow. It cannot change back to its normal state, like a physical reaction can.
D is for Doppler effect May 23, 2010
Posted by atozscience in D.Tags: Doppler effect, frequency, pitch, sound waves
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The Doppler effect is when people in front of something that is making noise hears a higher pitch than the people behind. The Doppler effect is caused by the source of the sound moving, so the frequency of the waves changes, too.
E is for electromagnetic spectrum May 23, 2010
Posted by atozscience in E, F, R, W.Tags: electromagnetic spectrum, frequency, radio waves, wavelength
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The electromagnetic spectrum is a line of waves that start off with low frequencies but longer wavelengths and end with higher frequencies but smaller wavelength. The spectrum has all seven of the electromagnetic waves starting with the radio waves and then microwaves, infrared rays, visible light, ultraviolet rays, x-rays, and ending with the gamma rays.
F is for fire safety May 23, 2010
Posted by atozscience in F.Tags: Fire safety
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Fire safety is important because it can save lives. Always keep baking soda and a fire extinguisher in the kitchen. This is where the most fires occur. It is also a good idea to have smoke alarms in every room. Hide all matches so that no little kids can reach them. Always keep cloth away from any electric lights and open flames.
G is for gamma rays May 22, 2010
Posted by atozscience in G.Tags: electromagnetic spectrum, gamma rays
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Gamma rays are the last type of rays in the electromagnetic spectrum. They have the shortest wavelength and the highest frequency. Sometimes they are used for killing cancer cells.
H is for hydrochloric acid May 22, 2010
Posted by atozscience in H.Tags: hydrochloric acid
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Hydrochloric acid is the most potent of all acids on the pH scale. Its pH number is zero, which means it is a very, very corrosive acid. It can burn through almost anything. It is colorless.
I is for iodine May 22, 2010
Posted by atozscience in I.Tags: iodine
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Iodine is a substance that the body uses in small amounts to help the thyroid hormones, which help your body grow. Iodine is most common in milk and salt. Iodine is also found in the blood and muscles.
J is for joule May 22, 2010
Posted by atozscience in J.Tags: joule
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A joule is how much work is applied in one meter. Work is when the force and the motion of an object are the same. The calculation of work is work equals force times distance. one example of work would be to lift books off the floor.
K is for kinetic energy May 22, 2010
Posted by atozscience in K.Tags: kinetic energy
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Kinetic energy is energy that is released from potential energy. Kinetic energy is basically energy that is moving. The faster the object, the faster the kinetic energy.Kinetic energy is used to move all objects that can be picked up.
L is for laboratory safety May 22, 2010
Posted by atozscience in L.Tags: laboratory safety
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Report all spills and injuries to the teacher immediately. Never drink or eat anything in the lab unless instructed to do so by your teacher. Never wear any loose or baggy clothing. Always wear safety goggles and a lab apron. Tie back all long hair. Do not touch anything that is new that is on your desk.
M is for magnetic field May 22, 2010
Posted by atozscience in M.Tags: Magnetic Field
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Magnetic Fields are produced by electric currents.
According to Wikipedia: “Magnetic fields surround magnetic materials and electric currents and are detected by the force they exert on other magnetic materials and moving electric charges.”
“All magnets have two magnetic poles which are attracted and repulsed to each other due to forces and torques exerted by magnetic fields,” (Wikipedia).
Magnetic fields can generate magnetism such as magnets. They use certain metals to attract other metals. Magnetic fields are also used in creating electromagnetics. Magnetic fields, if powerful enough, can fuse metals.
N is for noble gases May 22, 2010
Posted by atozscience in N, P.Tags: Noble Gases, Periodic table
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The six noble gases are found in group 18 of the periodic table. These elements were considered to be inert gases until the 1960′s, because their oxidation number of 0 prevents the noble gases from forming compounds readily. All noble gases have the maximum number of electrons possible in their outer shell, making them stable. (google)
O is for oxygen May 21, 2010
Posted by atozscience in O, P.Tags: oxygen, Periodic table
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Oxygen is one of the elements of the periodic table. We breathe it and is about 93% of air. Its atomic number is 8. It bonds with other elements with almost no problems.
P is for periodic table May 21, 2010
Posted by atozscience in P.Tags: atomic mass, atomic number, Periodic table
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The periodic table is a chart that has all the elements in groups and rows. It goes by atomic number and atomic mass. The more the atomic number the farther in the row it is. The elements are grouped according to families. The families always tend to have something in common. One example is the noble gases, which are one family in the periodic table. They are six gases that do not bond well with other elements.
Q is for quark May 21, 2010
Posted by atozscience in Q.Tags: atom, proton, Quarks
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Quarks are subatomic particles that reside inside an atom. They are the smallest particle known to science at this time. The large hadron collider may also show scientists that there may be even smaller particles than quarks. The LHC smashes protons together faster than the speed of light.
R is for reactants May 21, 2010
Posted by atozscience in R.Tags: chemical reaction, Reactants
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Reactants are two or more elements that fuse together to make a new element. usually reactants are helped by enzymes to fuse together.In this picture they show A match burning which is a chemical reaction that starts off with a reactants oxygen, wood fibers, phosphorus, and sulfur. In the movie, the iron is reacting with the Chlorine.
S is for sound May 21, 2010
Posted by atozscience in S.Tags: pitch, sound
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Sound is anything that we can hear. It is created by the vibrations of air molecules. There are different kinds of sounds. Some are loud while some are soft. Music is any sound that is good to listen to.The faster the sound molecules move the higher the pitch.
T is for temperature May 21, 2010
Posted by atozscience in T.Tags: gas pressure, Temperature
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Temperature is how cold or hot something is. You can change gas pressure with temperature. It changes gas pressure because when it is cold the molecules move slower making it take up less space and when it is hot the molecules move faster so it takes up more space. It is easy to tell temperature with a thermometer.
U is for ultraviolet May 20, 2010
Posted by atozscience in U.Tags: electromagnetic spectrum, ultraviolet light
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Ultraviolet light can cause skin damage. The sun emits ultraviolet lights that can cause sunburn. UV lights are used to purify water and other liquids. UV lights are very bright and can light whole house with blue light.
V is for visible light May 20, 2010
Posted by atozscience in V.Tags: electromagnetic spectrum, visible light
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Visible light is light that the human eye can see. It takes up very little space in the electromagnetic spectrum. All of the light emitted from stars are in the visible light section of the electromagnetic spectrum.
W is for wavelength May 19, 2010
Posted by atozscience in W.Tags: frequency, wavelength
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A wavelength is how long it takes to get from a crest of a wave to another. If a wave has a long wavelength it usually has a low frequency. If it has a short wavelength it usually has a high frequency.
X is for xenon May 19, 2010
Posted by atozscience in X.Tags: Noble Gases, Periodic table, xenon
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Xenon is one of the noble gases. It is used to create some neon colors. It is heavier than air.
Y is for yttrium May 19, 2010
Posted by atozscience in Y.Tags: Periodic table, yttrium
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Yttrium is a element of the periodic table. Its symbol is Y. It’s atomic number is 39. It is one of the rare earth minerals.
Z is for zipper May 19, 2010
Posted by atozscience in Z.Tags: simple machine, wedge, Zipper
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A zipper is a simple machine. A simple machine is something that helps you do work. Simple machines work in a simple way that can help with complex work tasks. There are seven types of simple machines, they are wedge, inclined plane, screw, lever, wheel and axle, pulley, and gear. A zipper is an example of a wedge.
The Mirror of This World May 17, 2010
Posted by atozscience in M.add a comment
Every particle of the world is a mirror.
In each atom lies the blazing light
of a thousand suns.
Cleave the heart of a raindrop,
a hundred pure oceans will flow forth.
Look closely at a grain of sand,
The seed of a thousand beings can be seen.
The foot of an ant is larger than an elephant;
In essence, a drop of water
is no different than the Nile.
In the heart of a barley-corn
lies the fruit of a hundred harvests;
Within the pulp of a millet seed
an entire universe can be found.
In the wing of a fly, an ocean of wonder;
In the pupil of the eye, an endless heaven.
Though the inner chamber of the heart is small,
the Lord of both worlds
gladly makes His home there.
— Mahmud Shabestari
