Environmental Studies

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The scientific definition of work and energy implies that a person picking up a spoon to eat is work ... Started by Mollykgkg	1 Replies 26 Views	Jul 21, 2018 by yahahah24021
Although scientists know about the effects of gravity, they dont know what causes it. Indicate ... Started by saliriagwu	1 Replies 25 Views	Jul 21, 2018 by Hikerman221
The flow of energy in, on, and around the Earth drives all of its living or non-living systems and ... Started by skymedlock	3 Replies 43 Views	Jul 21, 2018 by Ksh22
What is the best example of kinetic energy? a. A roller coaster ready to zoom down the hill b. A ... Started by karateprodigy	1 Replies 245 Views	Jul 21, 2018 by adammoses97
When one form of energy is converted to another, the loss of energy is called: ____. a. entropy ... Started by casperchen82	1 Replies 59 Views	Jul 21, 2018 by billybob123
_______________ energy is the energy being used to perform work, whereas _______________ energy is ... Started by aabwk4	1 Replies 36 Views	Jul 21, 2018 by Bsand8
_______________ is the study of the movement of heat and energy within the universe. Fill in ... Started by kaid0807	1 Replies 47 Views	Jul 21, 2018 by nothere
The form of energy that travels at the speed of light is called _______________. Fill in the ... Started by cmoore54	1 Replies 121 Views	Jul 21, 2018 by JYan
The kind of chemical reaction in which heat is absorbed from the environment is known as ... Started by ec501234	1 Replies 81 Views	Jul 21, 2018 by voltaire123
The heat of combustion is the energy given off when a substance is burned in the presence of oxygen. ... Started by Awilson837	1 Replies 73 Views	Jul 21, 2018 by qytan
Many of our energy resources utilize exothermic reactions, such as ____ a. the combustion of ... Started by krzymel	3 Replies 44 Views	Jul 21, 2018 by tandmlomax84
An electrochemical reaction occurs because ____. a. an anion turns into a cation b. a cation ... Started by chandani	1 Replies 95 Views	Jul 21, 2018 by Brummell1998
The energy given off or taken in during a phase change is called ____: a. latent heat c. ... Started by nummyann	1 Replies 28 Views	Jul 21, 2018 by cpetit11
When oxidation occurs in a chemical reaction, a substance loses a(n) _______________. Fill in ... Started by scienceeasy	1 Replies 88 Views	Jul 21, 2018 by nixon_s
_______________ refers to the gaining of an electron by a substance. Fill in the blank(s) with ... Started by Haya94	1 Replies 75 Views	Jul 21, 2018 by Ksh22
Work and energy are related because work produces energy. Indicate whether the statement is true ... Started by jman1234	1 Replies 59 Views	Jul 21, 2018 by Jody Vaughn
Using a bottle opener is an example of a lever. Indicate whether the statement is true or ... Started by Cooldude101	1 Replies 25 Views	Jul 21, 2018 by Anton
A ramp is an example of an inclined plane machine. Indicate whether the statement is true or ... Started by krzymel	1 Replies 54 Views	Jul 21, 2018 by yasmina
The use of a machine to do work is called the ____. a. transformational advantage c. resistance ... Started by mcmcdaniel	3 Replies 19 Views	Jul 21, 2018 by ntsoane kedibone
If you put 100 watts of power into a machine that produces 75 watts of power, the efficiency of the ... Started by oliviahorn72	1 Replies 82 Views	Jul 21, 2018 by fauacakatahaias
One _______________ is the amount of energy required to apply the force of one newton on an object ... Started by bio_gurl	1 Replies 41 Views	Jul 21, 2018 by EAN94
The screw transfers rotational force into _______________ force. Fill in the blank(s) with ... Started by Pineapplelove6	1 Replies 28 Views	Jul 21, 2018 by T4T
The simple machine that helps to reduce friction is the _______________. Fill in the blank(s) ... Started by jasdeep_brar	1 Replies 31 Views	Jul 21, 2018 by Fayaz00962
Today, both coal fired and nuclear power plants utilize the Rankine cycle to power electrical ... Started by Frost2351	1 Replies 107 Views	Jul 21, 2018 by jonathanballen97
A heat exchanger is a device that cools a working fluid in order to return it to a liquid state. ... Started by joesmith1212	1 Replies 41 Views	Jul 21, 2018 by ngr69