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Which of the following is not an example of kinetic energy? mechanical energy nuclear energy electrical energy thermal energy

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The stress force that causes a mass of rock to pull or twist in opposite directions in called ______.

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The law of conservation of mass states that _______________________________.

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What phenomenon naturally warms earth’s lower atmosphere and surface

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In a transverse wave the peak of the wave is the crest and the lowest spot is the trough

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Which of the following does not contribute to eutrophication ? A. Sediment B. Decaying organisms C. Fertilizer D. Pollution

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What type of data do scientists use to predict tornadoes? A.moisture levels and temperature B.cloud cover and wind flow C.cloud cover and moisture levels D.wind flow and temperature

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Which of the following parts of an organism is most likely to become fossilized? A.)tooth B.)skin C.)heart D.)Lung

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A car starts from xi = 12m at ti = 0 and moves with the velocity graph shown in figure below. What is the objects position and t=3s and t=4s? Picture in comments below

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The bending of wave crests as the reach shallow water is:

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All of the following are possible sources of error in a scientific investigation except for A. Measuring the change in temperature incorrectly B. Manipulating the wrong variables in the experiment C. Reviewing previously published studies before the experiment D. Completing only one trial in the experiment

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What is a wave that has all the crests and troughs in the same place at the same time? coherent wave wavelength fiber optic wave hologram

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Which voice can produce a pitch that has a speed of 343 m/s and a wavelength of 0.68m?

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Tell me how length effects the resistance of an electric current?

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A flow of electricity that constantly reverses direction. In the United States it reverses itself 120 times per second.

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Which of the following materials is likely to be the best conductor? iron sulfur carbon tin

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Crystals can have _____ bonds between their atoms. ionic covalent metallic all types of

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A fluid is A.) a solid substance made up of crystals. B.) a substance that has a definite shape and a definite volume. C.) a substance that flows D.) a substance that melts at a distinct temperature.

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What is meant by the following statement? “Acceleration is inversely proportional to mass.”

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Which best compares AC and DC? AC flows in one direction, and DC repeatedly switches direction. DC flows in one direction, and AC repeatedly switches direction AC is used only in generators, and DC is used only in motors DC is used only in generators, and AC is used only in motors

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What do the yellow arrows in this illustration represent? A. movement of earth’s tectonic plates B. convection in the asthenosphere C. convection in the lithosphere D. direction of earth’s magnetic field

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By using_______you can determine your exact position and altitude on earth?

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13. Abrasion erodes the desert surface by * a. Creating blowouts b. Cutting and polishing exposed rock surfaces c. Depositing loess across the landscape d. Creating a stony surface layer

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An is_____ produced around a wire when electrical current is in the wire

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What causes the electric charges to flow from one end of the battery to the other? a balance in electric potential a balance in resistance a difference in electric potential a difference in resistance

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PLEASE HELP FAST??!! Which statement is true about the electromagnetic spectrum? A. The visible Spectrum includes radio waves, light and gamma rays. B. Same wave lengths of light corresponding to different colors. C. It contains a spectrum of visible light plus a wide array of nonvisible forms of radiation. D. The waves travel at a speed of 2.998 *10^5 m/s

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Find the equilibrium concentrations of A, B, and C for a=1, b=1, and c=2. Assume that the initial concentrations of A and B are each 1.0 M and that no product is present at the beginning of the reaction. Consider the following reaction and associated equilibrium constant: aA(g)+bB(g)⇌cC(g), Kc = 4.0

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A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser?

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1. Which of the following is NOT part of John Dalton’s atomic theory? A. All elements are composed of atoms. B. All atoms of the same element have the same mass. C. Atoms contain subatomic particles. D. A compound contains atoms of more more than one element. 2. Who provided evidence for the existence of a nucleus in an atom? A. John Dalton B. J. J Thomson C. Democritus D. Ernest Rutherford

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Which of the following might be considered a viable application of a radioactive tracer? It can be more then one? A) adding a stream of radioisotopes to waste water to examine where pollution goes when it flows into the ocean B) embedding a radioactive plug in a valuable necklace so that its location can be determined using a Geiger counter C) placing radioactive sources around a room to trace the location of people as they move through the room d.) filling a pipeline with radioactive gas to see if it contains any leaks

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