Sentences with phrase «about chemical reactions»

I especially like the bits about chemical reactions and erosion of solid barriers.
They then ran computer models of the atmosphere to measure the effects of the black carbon, based on what scientists have learned about chemical reactions in clouds from experiments and observations.
In the process, they learn about chemical reactions and compounds.
It's all on a super small scale because it's about chemical reactions and that can be pretty complicated but let's consider for a moment that every time we have a thought or a sensation, it's due to a series of chemical reactions in our body's cells.
Their eventual aim is to gain a better understanding of the sites that most effectively bring about chemical reactions important for industrial uses.
Learning about chemical reactions is essential for advanced chemistry studies and, increasingly, to understand the chemistry of life itself.
Consistent with recommendations in the Next Generation Science Standards, the new THSB unit is designed to help students understand and use scientific practices of reading scientific texts, analyzing and interpreting data, building and using models, and constructing explanations along with a coherent set of core ideas about chemical reactions to make sense of interesting physical and life science phenomena.
Children can explore the disgusting side of science while learning about chemical reactions, polymers, diffusion, gas expansion, and more.
Exploring chemistry through materials we can find in our own kitchens is typically a safe way to learn about chemical reactions.
If you want to make that arguemnet, try learing something about the chemical reactions that go on in your brain.
(If you would like more information about the chemical reaction while cleaning with baking soda & vinegar, click over to Everyday Einstein.)
Talk about the chemical reaction — what's happening?
Einstein Charter High Principal Nathan Stockman even joined in, learning about the chemical reaction required to create «silly putty.»

Not exact matches

And if no God then your disapproval is merely your DNA doing it's job, a series of chemicals, nothing worth talking about, no different then what happens in the most disturbed minds on the planet... it's all the same... just natural reactions.
It's all about the brain and yes science has shown the chemical reaction for spirituality.
The most extensive application of quantum chemistry can tell us little or nothing about the shape of a molecule, unless it is considered within the context of a particular reaction or particular chemical environment.
Is love really just a chemical reaction or is there something spirtual about it?
Since the only thing believed to exist was hydrogen and energy, it doesn't seem to me like there could have been a chemical reaction, maybe I am wrong about that.
Scientist showed that being spiritual is just a chemical reaction in the brain, so they have proven that spirituality is about the brain and isn't real.
This would be a great way to learn about simple chemical reactions, or if you'd rather not use baking soda, why not trap some Star Wars figures in ice?
Tim worked on several of his home education coursework books this morning, including a science one which was mainly about acids and chemical reactions in general.
To help make ideas about energy more concrete, for example, the new unit will use a variety of analogies from more familiar physical systems (e.g., combustion and charging a cellphone battery) to help students understand those same energy - releasing and energy - requiring chemical reactions and energy transfer when they occur in living organisms (e.g., cellular respiration, creating a charge across a membrane in mitochondria and nerve cells) where the reactions are more complex and difficult to observe.
- A Game of Hypothesizing, Dean Interpreting Data - Quantitative Analysis of Mixtures, Schwartz Defining Operationally - Biotic Community, Menhusen Cells and Magnification, Menhusen Reading Activity - Formulating Hypothesis, Hebeisen Reading Exercise - Oersted's Experiment, Schwartz Formulating Hypotheses - Levers, Schwartz North by Compass, North by Shadow, Dennis Controlling Variables - Human Heart Rate, Phillips Effect of Practice on Memorization, Forgetting and Relearning, Mayor Learning About Line Graphs I, II and III, Dean Controlling Variables - Chemical Reactions, Livermore Chances Are, Hebeisen Interpreting Data - Animal Behavior, Menhusen Working with Solutions, Dean Defining Operationally - Inertia and Mass Stamp Out Trash, Hebeisen Interpreting Data Module - A Limited Earth: An Unlimited Population?
These machines require about an hour to perform the chemical reactions needed to add one amino acid to a chain.
Hone adds, «We are just starting to dream about other uses for these structures — for example, as micro-hotplates that can be heated to thousands of degrees in a fraction of a second to study high - temperature chemical reactions or catalysis.»
More to explore Chemical Reactions, from Chem4Kids.com Acid Dyes, from Paula Burch's All about Hand Dyeing Did You Know... How Acid Dyes Work, from Dharma Trading Co..
And the medium in which all these complex molecules float about, and in which the basic chemical reactions of life occur, is water.
Polanyi says scientists are only beginning to understand how catalysis operates, and that the shift towards green chemistry makes knowing as much as possible about catalysts and how they reduce waste caused by chemical reactions more important than ever before.
The X-ray snapshots provide information about the size of the diamonds and the details of the chemical reaction as it occurs.
«This new curriculum unit is being designed to take on high school - level ideas about atom rearrangement during chemical reactions that build on ideas that are introduced in a companion unit that we developed for middle school students.
Pound for pound, nuclear explosives — which derive their power from runaway chain reactions in their radioactive fuel — carry about a million times the energy density of chemical explosives.
During his years as an assistant professor of chemistry at University of Maryland, Baltimore County, Dietze asked fundamental questions about mechanisms of basic organic chemical reactions, questions he recounted in a recent telephone interview: «How does A go to B?
«If you model a prebiotic chemical reaction in the laboratory, scientists can argue about whether or not you had the right starting materials,» said Hud.
The aromatic teardrop in her vial was extracted from the crust of a white bread loaf a month earlier and is a crucial part of an experiment that could overturn a tightly held belief about the Maillard reaction, one of the key chemical responses that occurs during cooking.
The effect dissipates faster, however: airborne methane remains in the atmosphere for about 12 years before being scrubbed out by ongoing chemical reactions, whereas CO2 lasts 30 to 95 years.
Szostak: Well, chemical reactions are, you know, controlled by the thermodynamics of chemistry by kinetic considerations, but Darwinian evolution is completely different because in our case we are talking about populations with variation and the selection of variants that are more fit, and it's that -LSB-'s] it's repeated and repeated; then better variants come to dominate the population.
Their announcement in 1982 of the existence of a «ribozyme» — an RNA molecule capable of catalyzing chemical reactions — upset beliefs about the nature of enzymes, but soon other catalytic RNAs were discovered.
He wrote about all sorts of material transformations (what we would now call chemical reactions) in terms of microparticles and pores, using concepts and terminology that foreshadowed the thinking that would emerge during the Scientific Revolution three centuries later.
In terms of the potential for life, he said the only possible drawback is that due to its size, it only take about 250 million years for the entire ocean to be recycled through the rock — and once this is done, the number of chemical reactions that take place becomes very limited.
In one such determination, researchers revealed a never - before - seen chemical intermediate that blew in and out of existence in about 5000 nanoseconds, giving scientists a better handle on chemical reactions.
This new technique pinpointed the areas on single metallic particles — which measure about 100 nanometers (100 billionths of a meter)-- that are most active in chemical reactions.
As the studied chemical reactions occur very rapidly — in less than a second — and the ALS technique can take about 20 minutes to scan a single spot on a particle, the researchers used a layer of chemically active molecules, which were attached to the surface of the particle, as markers for the catalytic reactivity.
It allows scientists to probe working batteries and other active chemical reactions, and to reveal new details about magnetism and correlated electronic materials.
The beautiful thing about chemistry is that you can combine two substances to create a chemical reaction which yields an entirely new substance.
Maybe a silly question — but is this a similar chemical reaction to what happens when I forget about a jug of apple cider in the fridge and it starts to build pressure?
That said, there is more and more research coming out each day about how chemical reactions in the gut produce signaling chemicals that effect how our brains work, like seratonin.
I just hope the clarification of these terms may clear up some confusion about how our bodies use elements and combine them via chemical reactions.
Essentially, this «injury» can only come from about 5 things: 1) physical trauma (e.g.: ankle sprain, etc.); 2) allergic reactions; 3) infections; 4) chemical toxins (e.g.: toxic metals, environmental chemicals.
It's not about being perfect at this, it's about being aware that this silent chemical reaction could be causing some real issues and, even better, knowing that there's a super simple way to combat its effects.
I was releaved to read margarets comments about the possible chemical reaction.
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