| When exposed to light, the photoresist undergoes a chemical change that alters its solubility in a certain solvent. |
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| Many of them are enzymes, molecules that catalyse processes of chemical change. |
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| When songwriting, he feels he undergoes some sort of chemical change which makes him detached and unresponsive once outside the office. |
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| This water vapor can undergo a chemical change if enough additional heat is added, when it decomposes into oxygen gas and hydrogen gas. |
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| As the lens ages, it increases in weight and thickness, and its proteins undergo a chemical change. |
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| It is known that a chemical change within the eye causes the lens to become cloudy. |
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| Uranus works relentlessly for the needed chemical change on earth to usher in the new age. |
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| In the discharge of the cell, the reverse chemical change occurs, the accumulator acting as a cell that produces an electric current. |
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| Electrochemistry investigates the interrelationship of electric current and chemical change. |
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| By including the ideas of different kinds of substance and of chemical change from one kind to another, we arrive at chemistry. |
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| All this is due to an endothermic reaction which is a chemical change accompanied by an absorption of heat which occurs in the reaction vessel. |
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| In photo-chemical reactions, a system undergoes a chemical change through the absorption of optical radiation, e.g. ultraviolet radiation. |
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| Physics is the science of the phenomenon of inanimate matter involving no chemical change. |
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| The light from the laser causes a chemical change in the dye coating that shows up as a visible point on the disc. |
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| When a physical or chemical change occurs in the object it will show up unfailingly as a change in the density of the material. |
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| Whenever a textile product is processed further or a chemical change is made to its material, a test is necessary. |
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| Iron corrodes so quickly that an item may become too hot to touch before cracking into pieces from internal pressure generated by chemical change. |
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| A chemical change seems to come over parents when their children reach their teens which retroactively endows them with virtues they may never have had in the first place. |
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| These acidic compounds are released as the cells soften during cooking. This slight chemical change shifts the chlorophyll's colour from green to yellow-brown. |
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| Indeed, numerous mechanisms of chemical change of concretes begin with a reaction between the not combined lime and the present acid in the water. |
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| This chemical change can cause feelings of sadness and weepiness. |
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| If the paired atoms in substance E were to be rearranged into paired atoms as in substance D would this represent a physical or a chemical change? |
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| The kiln is a crucible where chemical change takes place. |
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| Not all collisions, however, bring about chemical change. |
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| By this, we know that a chemical change or reaction has occurred. |
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| If the two collections of paired atoms in substance D were to be moved apart from each other, would this represent a physical or a chemical change? |
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| The passage of radiation through the material does not cause any physical or chemical change, and the material itself does not become radioactive. |
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| The principle of the conservation of mass provided for a criterion of when a chemical change was a decomposition into simpler substances, which was decisive in disposing of the phlogiston theory. |
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| Of the five major types of change in ecological character described in paragraph 195 above, chemical change has received by far the most attention in terms of its environmental impacts and their prediction. |
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| Some of the responses are: green, chlorophyll, light, food, lettuce, rabbit, water, carbon dioxide, system, change, nutrients, light source, air, chemical change, and ecosystem. |
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