scientific results must be verified by

A scientific hypothesis is A absolute B complex C simple D tentative Type MC from CHM 119 at University Of Dubuque The amount of the sample always equaled 400 mL. Which of the following variables would be the easiest to control? If not, what month(s) and during which season (for the Northern Hemisphere) is Earth closest to the Sun? Justification has to do with the grounds we have for believing a given statement to be true. The charge on the nucleus of a sodium atom is: D) All of the above are valid definitions. Saccharin has been shown to be a very weak carcinogen (a substance that causes cancer) in animal tests, but there is little evidence of carcinogenicity in humans. Which of the following is a compound Co, Mn, CO2, Na. A pure substance that cannot be broken down by chemical means into simpler substances is called a(n) element. > . Which of the following might be best approached through the scientific method? Example: If you do an experiment and the results are testable Studies have also shown that artificial sweeteners provide little benefit to those who want to lose weight. which of the following statements about basic research is NOT correct? B) alpha particle scattering by thin metal foils. must be consistent with the fact that the ocean is of great age. Therefore potassium bromide: Which one of the following DOES NOT occur in a chemical reaction? Show where cool supergiants, white dwarfs, the Sun, and mainsequence stars are found. [MC] The process of breaking light down into its component colors creates. Schmidt outlines five functions of replication studies in the social sciences: Function 1. 2. anything with mass or volume. Scientific results must be verified by . CO2. Which of the following variables would be the easiest to control? The evaluation of societal risk includes all of the components of individual risk plus a. the probability that an incident will occur b. the degree of severity of the incident c. the number of people affected by the incident d. the benefit associated with the incident C Mass is a. the measure of the amount of space that matter occupies Scientific results must be verified by further experiment. It also provides instructions so that other researchers can repeat the experiment or build on it to verify and confirm the results. Her proposal is called a: Hypothesis Mass is a better measure of the amount of matter than . When we exploded the hydrogen balloons, which of the following was produced: When we did the electrolysis of water demo, which of the following was produced in the greatest quantity: B) the study of matter and the changes it undergoes. Hydrogen peroxide decomposes into water and oxygen when exposed to heat or light. Using the factor-unit-method, how would you set up an equation to convert 445 mm Hg of pressure to atmospheres (atm)? When the universe was 4 billion years old, Galaxy A was 3 billion light-years away from Galaxy B. Knowledge can be defined as awareness of facts or as practical skills, and may also refer to familiarity with objects or situations.Knowledge of facts, also called propositional knowledge, is often defined as true belief that is distinct from opinion or guesswork by virtue of justification.While there is wide agreement among philosophers that propositional knowledge is a form of true belief . Question 19 options: 2.48 10 -15 s -1 4.03 10 5 s -1 4.03 10 14 s, Element "E" exists has only two isotopes.Calculate the percentage of each isotope if the average atomic weight of "E"is 58.776 amu. 15% hydrogen. Establishing that a test method consistently produces reliable analytical results is a critical element of assuring the quality and safety of pharmaceutical products. Consulting noted scientific authorities C. Further experiment D. Government agencies Further experiments The results of an experiment are easiest to interpret when the experiment has______variable(s). Mass is a better measure of the amount of matter than weight is because: b) uses only physical changes or processes. For the electronic transition from n = 3 to n = 5 in the hydrogen atom. What is matter? Many scientists must agree that the results of a scientific study are accurate or explainable. It does not explain "why this, and not that", and thus it gives us no knowledge, and is useless as an explanation. In T-ball, batters hit a ball that is placed on a T-shaped stand. Which of the following statements about basic research is NOT correct? A mixture of iron, salt and sand can be separated using a magnet, water, a filter and a hot plate. B) the decomposition of compounds by electricity. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? A tightly capped bottle of hydrogen peroxide is placed on a mass scale (a balance) and exposed to light for three weeks. B) Atoms change into other atoms in chemical reactions. Because light takes time to travel from place to place in the universe, when we look at the night sky we are seeing stars and galaxies as they appeared in the past. According to a survey published in the journal Nature last summer, more than 70% of researchers have tried and failed to reproduce another scientist's experiments. 3) Scientific results must be verified by A) constructing plausible theories. [MC]* Suppose the first person to ever land on Mars has just touched down, and she needs to send a message to her mother, letting her know she's there safely. Some scientists, futurists, and philosophers have theorized about the immortality of the human body, with some suggesting that human immortality may be achievable in the first few decades of the 21st century with the help of certain technologies such as mind uploading (digital immortality). when the biotech company amgen confirmed the results of only six out of 53 "landmark" cancer biology studies, lead author glenn begley noted that the "non-reproducible papers shared a number of. Which of the following variables can be most easily controlled? 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The ancient Greek philosophers were probably the first to consider the behavior of matter in an organized way. Mass. [FITB] The distance travelled by light or by an object moving with a constant speed is equal to speed multiplied by ________. [MC]* An asteroid is found in space with a constant speed of 4.0x10m/s. Calculate the density of Jupiter. How do astronomers commonly determine distances to distant galaxies. Question 1 Scientific results must be verified by o consulting noted scientific authorities o constructing plausible theories o further experiment o government agencies Moving to the next question prevents changes to this; Question: Remaining Time: 1 hour, 29 minutes, 32 seconds. [FITB] A light year is a unit of ________. What Is the molarity of an $\mathrm{H}_{2} \mathrm{SO}_{4}$ solution if 0.25 L of the solution contains 0.75 mol of $\mathrm{H}_{2} \mathrm{SO}_{4}$? B. liquid the measure of the amount of matter . It provides well-defined steps to standardize how scientific knowledge is gathered through a logical, rational problem-solving method. A metallic cube has a mass of 9.0 g and a side of 3.00 cm. End of preview. t. e. In physics, the special theory of relativity, or special relativity for short, is a scientific theory regarding the relationship between space and time. What characteristics must a hypothesis have to be useful in science? what is the loss of muscle movement called? Being repeatable means that other researchers should be able to perform exactly the same experiments, under the same conditions and generate similar results. [T/F] Constellations are groups of stars that in general are physically close together, all roughly the same distance from Earth. She is engaged in: a) Basic research is carried out to develop a particular product. Each time they measured the sample, its shape changed to match the shape of the container. Explanation; The reliability and validity of an experiment is that any results of a scientific experiment should be more than one-off finding and be inherently repeatable. Some modern species may possess biological immortality.. Give an example of a scientific question that could be investigated with an experiment. Peer review is a well-established process which has been a formal part of scientific communication for over 300 years. B. Why? Saccharin is used in some artificial sweeteners. Widener BME303 Biomedical Engineering Electrocardiography Lab Report ORDER NOW FOR CUSTOMIZED AND ORIGINAL ESSAY PAPERS ON Widener BME303 Biomedical Engineering Electrocardiography Lab Report I will attached all the fails that you need and also a pic of how you should writ the report,make sure you have to make thre graphs. Must be based on scientific knowledge, must be logical, and must be falsifiable. B) The result should be altered so that it matches the established theory. What health supplements do American children eat? The point of science is to find explanations for phenomena. Question Completion Status: Moving to the next question prevents . To be considered valid, the results of a scientific experiment must be repeatable. Each of these isotopes has: The sum of protons and neutrons in an atom is called the: A) a larger mass and opposite charge as the electron. [T/F] Astrology is a pseudoscience, originally related to astronomy, that has been shown to be incorrect. Scientific results must be verified by a great many scientists. B) movement of electrons from higher energy states to lower energy states in atoms. What is the unit rate of 200 meters in 19.30 seconds? What would be the price range of the smartphones with a MediaTek Dimensity 1080 chipset? In Albert Einstein 's original treatment, the theory is based on two postulates: [p 1] [1] [2] The laws of physics are invariant (that is, identical) in all inertial frames of reference . O must be consistent with previous, universally accepted scientific concepts. If Mars is about 120 million km from Earth at that moment, what is the FASTEST her message can reach her mother? How far does it travel in 2 mins? Use the solubility product (Ksp = 1.8 x 10-14) to calculate the solubility of Zn(OH)2 (FW = 99.424) in water expressed in moles per liter at (a) pH 3, (b) pH 7 and (c) pH 10. D) government agencies. The theory of general relativity says that the observed gravitational effect between masses results from their warping of spacetime . How many electrons are there in a potassium atom? Chapter 1 1. C. The total number of samples Researchers' publication records carry a great deal of weight . the six steps of the scientific method include: 1) asking a question about something you observe, 2) doing background research to learn what is already known about the topic, 3) constructing a hypothesis, 4) experimenting to test the hypothesis, 5) analyzing the data from the experiment and drawing conclusions, and 6) communicating the results to testable and measurable results. What is the density of the metal piece in oz/in 3 ? Philosopher Peter Vickers interrogates the science behind the recent IAI News standoff between panpsychism and idealsm and picks up the debate. What type of matter did Victoria and her teacher measure? The most stable ion of the isotope has 36 electrons and forms a binary compound with sodium having a formula of $\mathrm { Na } _ { 2 } \mathrm { X }.$ Which of the following statements is(are) true? Which of the following variables would be the easiest to. Using the information listed above, does Earth stay the same distance from the Sun throughout the year? B) must have the formula PB. Based upon the experiments of his co-workers, Rutherford proposed that: Relative to the mass of the nucleus of an atom, the mass of the electron is: The element tin (Sn) occurs naturally as ten isotopes. The scientific method The scientific method begins with scientists forming questions, or hypotheses, and then acquiring the knowledge through observations and experiments to either support or. If drops of water are subdivided to the ultimately smallest drops possible, what is the smallest particle of water that retains the chemical and physical properties of water? Which one of the following is NOT part of Daltons atomic theory? The Periodic Table is helpful in all of the following endeavors but one. C. solid, A scientist wants to know how the distance from a nearby lake affects the amount of nitrogen found in the soil. The drawing at the right shows four different locations of Earth during its orbit around the Sun. Immortality is the concept of eternal life. A scientific hypothesis is (3) explanatory, predictive and testable . To be considered valid, the results of a scientific experiment must be_______. Rank the total number of each star type formed in the cluster in decreasing order. A hypothesis is true if it corresponds to the way the world is. A. The steps of the scientific method provide an organized way to design and conduct experiments and analyze and interpret the results. When electricity is passed through molten potassium bromide, two simpler substances, potassium and bromine, are produced. Think about this separation. Scientific observations must be objective and capable of being repeated and verified by others. The correct name for H2SO3 would be Sulfurous Acid. Chapter 1.docx - Chapter 1 1. Basic research is carried out to develop a particular product. On this scale, what would be the distance from the Sun to Aldebaran, a bright star (The eye of Taurus, the Bull) whose true distance is roughly 60ly? . Batter A hits the ball by swinging the bat from a resting position on his shoulder. Answer: C Scientific results must be verified by Further Experiment A brief statement summarizing many observations of a physical phenomenon is called a Scientific law Kim Chemist proposes that increasing the proportion of butadiene in her glue formulation will make the glue stickier. She collects soil samples at various d Scientific beliefs must be evaluated and supported by empirical data. What is -40 degrees Celsius to Fahrenheit? . Why is Freak interested in King Arthur and the knights of the round table? What does this require? Listed below are the distances, in kilometers (km), between the Sun and Earth for four months of the year. As positivists like A.J. amount of antibiotic added to a bacterial culture 3. which of the following statements about basic research is NOT correct? The distance from the lake This is an example of: When electricity is passed through molten potassium bromide, two simpler substances, potassium and bromine, are produced. A.8.87 10-14m B.1.13 1010m C.8.87 10-17m D.8.87 10-11m E.1.13 1013m. C) further experiment. Which is the exception? Using this method, which of the following disciplines is the most complex? The DQ for saccharin is: A chemist employed by an airplane manufacturer investigates new adhesives for the purpose of building airplanes without rivets. The pills were also found to be about as effective as placeboes in promoting sleep. A hypothesis that cannot be falsified is a hypothesis that is automatically consistent with any imaginable phenomenon. [MC] Scientific results must be A) hypothetical B) reproducible C) controversial D) believed by at least 50% of all scientists E) believed by 100% of all scientists B [MC] The process of breaking light down into its component colors creates A) a spectrum B) an image C) a pulse D) a hologram E) a movie lmaoo A tentative. [Stabs Clarence] If that is not enough, Ill drown you in a malmsey butt within! Given that 1 butt = 126 gal, in how many liters of malmsey (a foul brew similar to mead) was the unfortunate Clarence about to be drowned? You can specify conditions of storing and accessing cookies in your browser. Note that for each location drawn, Earth is correctly shown with its rotational axis tilted at an angle of $23.5^{\circ}$. In the exploding hydrogen balloon demos I did in class: In class we placed sodium, potassium, and lithium in water. We say this galaxy has a lookback time of 1 million years . Marcus Munafo is one of them . This site is using cookies under cookie policy . Scientific results must be verified by 1)constructing plausible theories 2)government agencies 3)further experiment 4)consulting noted scientific authorities 3)further experiments The following, "The sweet taste of soda is due to the presence of sugar" is classified as a(n).. 1)theory 2)observation 3)law 4)hypothesis 4)hypothesis Transcribed image text: In the scientific method, scientific theories: O must be tested and verified by observations. Show your work. What is the major distinction between the Greek philosophers and modern scientists? These experiments are designed to demonstrate the scientific validity of results produced by the method during routine sample analysis. Scientific Law . B) Atoms change into other atoms in chemical reactions. B) consulting noted scientific authorities. the scientific process is when you conduct and experiment re check your results over and over again then have those results posted in a scientific journal for others to check before having. [FITB] Distinct groups of stars, called ___________, were given names by ancient astronomers; stories were associated with them. In terms of pressure, 760 mm Hg = 1 atm. 1 e. General relativity is a theory of gravitation developed by Albert Einstein between 1907 and 1915. Two concepts are fundamental in discussing scientific method: truth and justification (warrant). Dalton explained the law of conservation of mass by stating that atoms are neither created nor destroyed in a chemical reaction. VALIDATION: The key to experimental repeatability and a sound scientific publication. The scientific method is a process for gathering data and processing information. , s were correct. Typically, initial observations are based on a previous experiment or observation made by others. further experimentation . The nuclear model of the atom was constructed from which fundamental experiment? Can I find 1:1 copy brands bags at BabaReplica? [T/F] Astronomers gain information about celestial objects by studying many forms of radiation, including x-rays and infrared, not just visible light. Scientific results must be verified by . $$ A. gas A brief statement summarizing many observation of a physical phenomenon is called a . Correct the false statements. Dalton's explanation is an example of a scientific: D) predicting monetary values of elements. \begin{matrix} \text{Month} & \text{Earth-Sun Distance}\\ \text{December} & \text{147.2 million km}\\ \text{June} & \text{152.0 million km}\\ \text{September} & \text{150.2 million km}\\ \text{March} & \text{149.0 million km}\\ \end{matrix} Scientific results must be verified by: A. Constructing plausible theories B. Therefore, potassium bromide: A) must be a mixture. Victoria and her teacher measured a sample of matter in the science lab. Label the axes. Why must a scientist begin. Dalton explained the law of conservation of mass by stating that atoms are neither created nor destroyed in a chemical reaction. Atoms of which two elements will form an ionic bond? A and B are the same substance. Controlling for sampling errorthat is, to verify that previous results in a sample were not obtained purely by chance outcomes which paint a distorted picture of reality Function 2. a) Calculatethe energy. Substance B contains 85 % carbon and. Which element reacted most violently? A chemist employed by an airplane manufacturer investigates new . Therefore, potassium bromide: A) must be a mixture. 16 oz = 1 lb 2.2 lb = 1 kg, What is the frequency of electromagnetic radiation with a wavelength of 745 nm appears as red light to the human eye? Andrew Fraknoi, David Morrison, Sidney C Wolff, Abe Mizrahi, Edward E. Prather, Gina Brissenden, Jeff P. Adams. A chemist employed by an airplane manufacturer investigates new adhesives for the purpose of, Substance A contains 85% carbon and 15% hydrogen. Want to read the entire page? C) New results should be verified by more experiments before it is accepted. (1) 0.33 M (2) 0.75 M (3) 3.0 M (4) 6.0 M. The isotope of an unknown element, X, has a mass number of 79. Publishing results of research projects in peer-reviewed journals enables the scientific and medical community to evaluate the findings themselves. It failed to satisfy the verification criterion, according to which for any statement to be meaningful, it has to be able to be verified empirically. Advertisement project and come out with the same results. A possible answer to a scientific question. (The mass of the electron is 9.11 10-28g.) [Note: 1 ly is about 10km. must be verified by the leading authorities in the field. , istances from the lake and measures the amount of nitrogen in the sample What is the manipulated variable in this experiment? The separation of this mixture: The amount of carbon on the earth, including the atmosphere. A farmer has 19 sheep All but 7 die How many are left? if i could, then i would, i'll go ______ you will go? By the beginning of the 20th century, Newton's law of universal gravitation had been accepted for more than two . [MC] Suppose the distance from the Sun to Pluto, 40au = 6x10km, were compressed to the size of a pen (15cm). The isotope of X contains 38 protons. Physical attractiveness is the degree to which a person's physical features are considered aesthetically pleasing or beautiful.The term often implies sexual attractiveness or desirability, but can also be distinct from either. , t a recent data breachcoding for accessing locked accountsguidelines for employees' use of personal devicessales copy for a new type of savings account. Widener BME303 Biomedical Engineering Electrocardiography Lab Report . Methapyrilene, once an active ingredient in certain over-the-counter sleeping pills, was found to be a potent carcinogen (a substance that causes cancer). What city is located at 17 degrees N and 88 degrees W? The size of the lake and measurable another person would be able to do the exact same 2. When inhabitants of Galaxy A see the light from the explosion, what is the lookback time they associate with Galaxy B? Imagine that the universe was not expanding, so the distance between Galaxy A and Galaxy B would not change over time. Course Hero is not sponsored or endorsed by any college or university. Promoted by The Penny Hoarder This influential critique was . Scientific results must be verified by a great many scientists. Sketch an HR diagram. A scientific hypothesis is. Why are Indians in favor of studying abroad. A brief statement summarizing many observations of a physical phenomenon is called a: One method of rating complexity in scientific disciplines is with respect to the number of variables that are involved in experiments. E-57 (57.977 amu), E-58 (58.977amu), What is the de Broglie wavelength (m) of an electron with a velocity of 8.20 106m/s. [FITB]* If 14 billion years (approx. Scientific knowledge is advanced through a process known as the scientific method.

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