Results are shown in Figure 2. ACT Science Practice Question 34: Answer and Explanation. On rare occasions, patients have severe allergic reactions to a compound that is found in both Drug Combination A and Drug Combination B. Growth Media 1, because bacteria divide more quickly in minimal media. Whether you're looking to fine tune your sentence … A novel detector has been introduced, the Vacuum Ultraviolet (VUV) detector. [email protected], Facebook Ready to apply what you’ve learned? Magoosh is a play on the Old Persian word Heck, you can’t even really prepare for it by studying science. Recently a new treatment regimen, Drug Combination B, has been proposed as a potential replacement for Combination A, and a study was conducted to compare their effectiveness. Given the information about Earth’s atmosphere and Scientist 1’s viewpoint, which of the following altitudes would most likely NOT be an altitude at which small comets burn up? An actual ACT Science Test contains 40 questions to be answered in 35 minutes. Watch the video explanation here! Each of these flasks contained a different type of liquid growth media. You’ll find them in Data Representation and Research Summaries passages. increases, then decreases. ACT® is the registered trademark of ACT, Inc. Quantum ACT Prep has no affiliation with ACT, Inc., and this website is not approved or endorsed by ACT, Inc. DIRECTIONS: The passage in this test is followed by several questions. F the pill bugs on the acidic and smooth sides at 10 minutes would move to the neutral and rough sides, … Once you develop a familiarity with the ACT Science test, it is crucial that you practice doing tests under timed conditions. ACT Science questions are a little like olives; either you love them or you hate them. An E. coli culture in LB media growing in aerobic conditions was used to inoculate a new flask of LB media, which was then allowed to grow in anaerobic conditions. Experiments 1-3 were completed in a classroom at 20°C. Passages dealing with the physical sciences (or earth and space science) include topics in geology, astronomy, and meteorology. Growth of the cultures was monitored by taking periodic measurements of the optical density, or OD600, of the growth media. Below you'll find the complete ACT answer key for B04 as well as the corresponding ACT scale chart (raw score conversion table) for scoring the exam. If you're looking for an enhancement of your advanced ACT skills, you will want to take full advantage of our practice questions online. ACT Helper. Get ACT practice questions and videos here! So the most effective preparation for the ACT is to do lots of ACT Science questions. Scientific Term Definition … Bond length is the average distance between the nuclei of atoms in a covalent bond. For diatomic molecules, bond energy is equivalent to the dissociation energy, which is the amount of energy required to pull apart the atoms in a diatomic molecule. One of the most common ways bacteria are grown in a lab is called batch culture. In these ACT Science questions, you’ll need to manipulate and analyze scientific data presented in tables, graphs, and diagrams. Of the two types of media tested in Experiment 1, which is more likely to be a minimal media? Rachel has helped students around the world prepare for various standardized tests, including the SAT, ACT, TOEFL, GRE, and GMAT, and she is one of the authors of our Magoosh ACT Prep Book. Our expert advice will help you build the ACT study plan … Do another ACT science practice test. Less voltage would be required. :) If your comment was not approved, it likely did not adhere to these guidelines. Table 1 presents bond lengths and energies for covalent bonds of varying orders. Watch the video explanation here! The ACT Science passage types will be as follows: 3 research summaries (7 questions each), 2 data representation passages (6 questions each), and 1 conflicting viewpoint passage (7 questions). After reading the passage, choose the best answer to each ACT Science practice question. 700 km C. 650 km D. 550 km. In these cases, a second-line treatment must be used. Table 2 presents the bond length and dissociation energies for a number of diatomic molecules. They recorded the temperature of the sample every 20 seconds until the sample solidified. Scientist 3 The potential energy of any system of two atoms capable of forming a covalent bond depends on the distance between the atoms. By request, here's the Realtime B04 Science video: Hope you guys get a chance to watch this in preparation for the … BY Rachel Kapelke-Dale ON July 18, 2020, UPDATED ON January 6, 2021, IN ACT. In these ACT Science questions, you’ll need to understand experimental tools, procedures, and design. F the pill bugs on the acidic and smooth sides at … In these ACT Science questions (official known as “Evaluation of Models, Inference and Experimental Results”), you’ll need judge the validity of scientific information and formulate conclusions and predictions based on that information. Video Explanations: 2019 April ACT (B04) 2019 April ACT (B04) Sign Up to access video explanations to official ACT tests. About; ACT Practice Tests; ACT Answer Keys; ACT Bubble Sheets; Contact Us; Blog; Call us toll free 0800 1800 900. Answer: (G) only MOAH compounds. Try our ACT Science practice tests to prepare for this portion of your ACT test. The results of these calculations are shown in Table 1. Galaxies move away from one another as the universe expands. Reply. In the past, typically missing 4 questions would lead to a score of 34 on the ACT’s math section. Therefore, the most distant galaxies should have much dimmer surface brightnesses than similar nearby galaxies. The result is a shift towards the red end of the color spectrum, known as the galactic redshift. At the end of the day, there’s only one piece of advice that really matters: keep going! Materials with high resistance are referred to as insulators, while materials with low resistance are referred to as conductors. 12% for patients treated with Drug Combination A, 1% for patients treated with Drug Combination B. Use your browser's back button to return to your test results. Required fields are marked *. Their results are graphed in Figure 2. Nutrient rich growth media contains a wide variety of compounds used in growth, such as amino acids and vitamins. Comparing the color of light measured when it reaches Earth with the color at the time of the supernova explosion gives the amount of redshift and thus the distance. To determine the practical application limits of the newly proposed rapid VUV method for MOAH analysis, a series of starting samples and intermediates of white oil production of different origins and MOAH levels were analyzed and compared with data from two standard detection methods: Solid Phase Extraction (SPE) and Liquid Chromatography (LC). Refer to the scientific information in the passage when answering the question. Students repeated the procedure from Experiment 2 using 1 meter wire coils of a variety of other metals. Therefore, I only recommend this for students who are VERY serious about their ACT Science score. Optical density is a measurement of how easily light is able to pass through the media, and it is directly related to the concentration of living bacteria in the media. But each time you sit down to review what you got wrong—and why—in ACT Science questions, you’re building knowledge that will help you on test day. We have passages for you to practice with on Magoosh. Or maybe Models/Experiments questions stump you. Bond order is the number of electron pairs shared between the two atoms. But no matter where you fall on this love/hate spectrum, you absolutely can learn to do better on it—with ACT Science practice! Yes, skeptical readers, there are some students out there who love the ACT Science test. Magoosh blog comment policy: To create the best experience for our readers, we will approve and respond to comments that are relevant to the article, general enough to be helpful to other students, concise, and well-written! Three of the most important concepts to understand in order to manipulate electricity to perform work are voltage, current, and resistance. It takes less time for lauric acid to cool from 50°C to 45°C than it takes for lauric acid to warm from 45°C to 50°C. How would the higher classroom temperature have affected the voltage required to reach 1 A in Experiment 2? 5. Lag phase: Immediately after they are added to a new media bacteria must adjust their metabolism to the new environment before they begin growing and dividing. Thanks! Read the passage carefully. About Us At low wavelengths, all aliphatic and aromatic compounds are detected, and at higher wavelengths, only the aromatic and unsaturated compounds are detected. May 16, 2019 at 8:57 AM . ACT Reading December 2016 (74H) Test Answer Explanations ACT Science December 2016 (74H) Test Answer Explanations. ACT Science 1, Set 2 4 Answers & Explanations 1. Please note that the 2015-2016 ACT … There are generally 6 passages on the Science test and a 35-minute time limit, meaning you have a little less than 6 minutes per passage. Figure 1 shows the potential energy curve for a system of two hydrogen atoms. Given that the VUV spectra of compounds can differ significantly depending on the different functional groups present in the molecule, the detector is able to quantify MOAH levels in mineral oil without requiring prior separation from mineral oil saturated hydrocarbons (MOSH), which makes the VUV an improvement upon earlier detection methods. They recorded the temperature every 20 seconds for 400 seconds. This physical portrayal explains the observed redshift values without need for a mysterious dark energy that increases the rate of expansion of the universe. Answer: (A) Growth Media 2, because the long lag phase suggests the bacteria needed to turn on new metabolic pathways before they could begin dividing. Passages dealing with chemistry may feature some of these concepts: properties of matter, acids and bases, kinetics and equilibria, thermochemistry, organic chemistry, biochemistry, and nuclear chemistry. Watch the video explanation here! C Rough surface, limited light, neutral pH. Watch the video explanation here! Answer: (B) More voltage would be required. Answer: (C) Ready to try authentic ACT Science passages? But it’s really important that you figure this out in practice and not on the real thing. If you are a Premium Magoosh student and would like more personalized service, you can use the Help tab on the Magoosh dashboard. Which scientist would be most likely to predict that the expansion of the universe will be faster in the future than it is today? … Contrary to the predictions of the Big Bang theory, the surface brightnesses of distant galaxies are identical to nearby ones. Answer Explanations is the ultimate ACT preparation tool. Which line was most likely the control? Here is a link to the playlist of video explanations to all of the math questions in the 2019 April ACT (Form B04) Test.The math section in the 2019 April ACT test was harder than usual, and this is clear from the scoring scale, which shows that one can miss 6 questions and still score a 34 on the mathematics. If you're aiming for top scores on all four sections of the ACT, read our in-depth strategy guides on how to get a 36 on ACT English, ACT Math, ACT Reading, and ACT Science. The threshold of hearing is the minimum intensity at each sound frequency required for a sound to be heard by humans. If you’re struggling with a particular problem, take a look at the video explanation (make sure to scroll down to see the video). Time to break out those ACT Science practice tests and ACT questions—because the ACT Science section is unlike anything you’ve ever seen. Bacterial growth in batch culture follows a predictable pattern of four phases: 1. ACT® is a registered trademark of the ACT, Inc.®. Death phase: When culture conditions can no longer sustain any growth, bacteria die off exponentially. The VUV and LC methods were used in conjunction with Gas Chromatography. In your test prep, as you practice ACT Science problems, the key is to figure out why you answered questions wrong. D Both scientists agree that this caused their extinction; the disagreement is in the manner of things that actually blocked out the sun. Passages dealing with chemistry cover mechanics (the behavior of physical bodies when subject to forces), thermodynamics (the study of the transfer of heat between materials), electromagnetism (the study of the interaction of electric currents and magnetic fields), fluids and solids (substances with no fixed shape and fixed shape, respectively), and optics (study of the behavior of light and radiation). Do another ACT science practice test. Bond energy is the amount of energy released when a bond is formed, which is equivalent to the absolute value of the potential energy of two atoms in a covalent bond. The more negative the potential energy, the greater the attractive force between the atoms. Which of the following conclusions is best supported by the experiment? Question: 27. Note conflicting viewpoints in … 4 4 ACT Science 1, Set 1 Answers & Explanations 1. If you aren’t ready to get that intense about your ACT Science study, you can devote a little more attention to your school’s science textbooks and lab experiments. Next steps. Growth Media 2, because the long lag phase suggests the bacteria needed to turn on new metabolic pathways before they could begin dividing. You don’t need a lot of prior science … This page organizes the playlists of video explanations to all of the math problems in the 48 ACT tests(2880 videos) released from 2005 to 2020 by the ACT test writers. Answer Explanations is the ultimate ACT … You’ll find them in Data Representation and Research Summaries passages; you’ll rarely, if ever, see them in Conflicting Viewpoints passages, which already have enough information to process! The universe is not expanding at all. Log phase: Bacteria actively grow and divide, and the number of bacteria in the culture grows exponentially. For many years, public health professionals in Papua New Guinea have recommended a treatment regimen, Drug Combination A, as a first-line malaria treatment. The further away from the earth a galaxy is, the greater the redshift. If you are not, don’t get discouraged; this may just mean you need to focus on doing only 5 of the passages, or even 4, to get your best ACT score. The ACT Science test explained below begins on page 40 of the guide. Download the PrepSharp App for all this PLUS Goal planning Progress tracking Score analysis. Answer: D The force of gravity produces an acceleration of –9.8 m/s 2.This means that the velocity must change by –49 m/s every 5 seconds because 5 × â€“9.8 = –49.