Free TEAS Science Practice Test 2024
Sharpen your science skills and boost your confidence! Take our FREE TEAS Science Practice Test (2024 Edition). This comprehensive practice test simulates the actual exam format and covers all the key areas: Anatomy & Physiology, Biology, Chemistry, and Scientific Reasoning.
Get a detailed score report to identify your strengths and weaknesses. This targeted feedback lets you focus your studying and ensures you’re exam-ready for the 2024 TEAS Science Section. Don’t wait, start practicing today and ace your TEAS 7!
Results
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Take your preparation to the next level by signing up for more advanced questions tailored to help you achieve an outstanding result in the TEAS exam.
#1. According to Linnaeus’ classification system, which of the following would be less restrictive than the family of an organism?
Answer
order
Explanation
In Linnaeus’ classification system organisms are grouped/classified according to their kingdom, then the phylum, class, order, family, genus, and species. The less restrictive groupings would be the Kingdom and Phylum as many organisms may fit under the same grouping in these categories, as organisms are assigned to families, genus, and species, the classifications become more and more specific. An order is less restrictive (more inclusive) than the family category.
#2. Dissolved oxygen (DO) is an important indicator of water quality, and oxygen levels that are too high or too low can harm aquatic ecosystems. A biologist noticed that fish were dying in a local lake and was concerned that the DO levels were too low to support aquatic life due to extremely high temperatures that summer. To measure the DO levels, she brought back several lake water samples to her laboratory to measure the DO concentration as a function of temperature. To do this, she heated several samples of lake water to various temperatures and then measured the DO concentration in each sample. Some samples were kept at the outdoors temperature. Which of the following is the independent variable?
Answer
Temperature
Explanation
The independent variable is the variable that is controlled during an experiment to see how it influences the dependent variable. In this case, the temperature of the water was changed to see how it influenced the DO concentration.
#3. According to Darwin’s findings, he proposed that the finches he observed in the Galapagos islands differed due to which of the following?
Answer
the differing climates and vegetation on each island.
Explanation
The finches, though similar enough to be categorized as finches, did differ in their color patterns, head size/shape and beak size/shape. Darwin proposed that this change was due to the finches adapting to their natural habitat. The climate on each of the Galapagos islands differed and as a result the vegetation and habitat differed among the islands. According to Darwin’s theory of natural selection, organisms adapt to their environment and this adapting process will influence the physical appearance of an organism.
#4. During photosynthesis, which two compounds are combined to create the output of glucose and oxygen?
Answer
Carbon dioxide and water.
Explanation
During photosynthesis, water and carbon dioxide are absorbed by the plant and converted to glucose and oxygen.
#5. Which of the following structures is essential in the controlling of the autonomic functions of the peripheral nervous system?
Answer
medulla oblongata
Explanation
The hypothalamus is the control center of many autonomic processes related to maintaining homeostasis in the body. These processes are involuntary and are necessary to the viability of a human as the hypothalamus helps to control such automatic functions such as: temperature, hunger, and thirst.
#6. Which of the following is a distinguishing characteristic between eukaryotes and prokaryotes?
Answer
the presence of a nucleus.
Explanation
A prokaryote does not have a nucleus, whereas a eukaryote has a nucleus. This is one of the most common distinguishing factors between these two types of organisms. Prokaryotes are able to perform many of the same molecular functions that a eukaryote is able to do like: cellular respiration, DNA replication, and protein synthesis. These processes are often less complicated and done quicker in the prokaryotic cell.
#7. An unknown element is found to contain 45 protons and an atomic mass of 64, what is its atomic number?
Answer
45
Explanation
The number of protons in an atom’s nucleus is also the atomic number of the atom. In this case, we are told that there are 45 protons present and that the atomic mass is 64; however, when looking for the atomic number, we do not need the atomic mass. Consequently, the atomic number is 45.
#8. A scientist found that when an invasive species was introduced into a river, the population of salmon native to the region decreased. The type of correlation between these two populations could best be described as;
Answer
an inverse relationship.
Explanation
When one factor affects a second factor, it can be said that the two have a strong correlation. Since the salmon population decreases as the invasive species population increases, these two factors have an inverse relationship.
#9. Which of the following is a possible cause of herniation of discs?
Answer
whiplash
Explanation
Disc herniation occurs when the inner core of a disc in the spine leaks out through the outer portion of the disc. This type of spinal injury is usually caused by an injury to the back and/or spine. Whiplash suffered from a minor impact that could potentially cause a herniated disc.
#10. Which of the following is the atomic mass of an atom containing 42 protons, 42 electrons, and 37 neutrons?
Answer
79
Explanation
To calculate the atomic mass, we must sum the number of protons and the number of neutrons inside of the nucleus. The electron’s size is miniscule in comparison to both the proton and the neutron and as a result does not contribute to the mass of the atom. So, adding 42 protons with 37 neutrons results in an atomic mass of 79.
About TEAS 7 Science Section
The TEAS 7 Science Section assesses your knowledge of scientific principles relevant to nursing. It covers four main areas: Anatomy & Physiology (understanding the body’s systems and functions), Biology (basic cellular processes and genetics), Chemistry (the periodic table and basic reactions), and Scientific Reasoning (analyzing data and drawing conclusions).
There are 50 questions in total, but 6 are unscored pretest questions. You’ll have 60 minutes to answer the remaining 44 scored questions. The format includes multiple choice, fill-in-the-blank, image-based questions, and matching.
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Frequently Asked Questions About the TEAS 7 Science Section
TEAS Science section has 50 questions done in a 60-minute timeframe, which means 72 seconds per question. Covers the key topics: Biology(9 questions), Human Anatomy and Physiology (18 questions), Chemistry( 8 questions), Science reasoning( 9 questions), and 6 unscored questions. Here’s a breakdown of the science section:
- Human Anatomy and Physiology (40% of questions): These questions will focus on the structure and function of the human body systems.
- Biology (20% of questions): These questions will cover general biological concepts like cellular processes, genetics, and ecology.
- Chemistry (20% of questions): These questions assess your understanding of basic chemical principles, compounds, and reactions.
- Scientific Reasoning (20% of questions): These questions evaluate your ability to analyze scientific data, draw conclusions, and apply the scientific method.
The TEAS science is categorized into three sections Scientific Reasoning, Human Anatomy and Physiology, and Life and Physical Sciences.
Scientific Reasoning: This section assesses your ability to analyze research methods, interpret scientific data, and conclude the evidence you find. You will be asked to evaluate experimental designs, identify weaknesses and strengths of research studies, and apply scientific principles to solve problems.
Human Anatomy and Physiology: In this section, you will be tested on the structure and functions of the human body. You need to familiarize yourself with the major organ systems, their components, and how they work together to maintain homeostasis.
Life and Physical Sciences: This section covers a variety of topics from biology to chemistry, and physics. In biology, you may be asked about cells, tissues, organs, and organ systems, as well as the basic concepts of genetics, microbiology, and ecology. In chemistry, you may be asked about atomic structure, chemical reactions, and basic laboratory techniques. In physics, you may be asked about motion, forces, energy, and matter.
To properly prepare for the TEAS exam, follow the following guide or use our free TEAS test study guide:
Familiarize yourself with the main areas covered in the Science section: Human Anatomy & Physiology (40% questions), Biology (20% questions), Chemistry (20% questions), and Scientific Reasoning (20% questions).
Understand the question format: Understand TEAS science questions will be multiple-choice, so you are required to select the most accurate answer.
Time allocation: Dedicate sufficient time for studying each scientific discipline based on the weightage (e.g., dedicate more time to Human Anatomy & Physiology).
Identify your strengths and weaknesses: Take our updated ATI TEAS 7 practice test and gauge your current knowledge through self-assessment to understand areas requiring more focus.
Utilize our TEAS prep videos and study resources: Enroll in our online TEAS preparation course that is specifically designed for the TEAS Science section. These TEAS science videos will provide comprehensive content review, practice questions, and answer explanations.
Other TEAS 7 preparation materials include; free TEAS math practice test, our ATI TEAS reading questions, and the TEAS 7 English practice test.
The TEAS 7 Science Section has a set time limit designed to assess your knowledge efficiently. Here’s a breakdown of the duration:
Total Time Allotment: You’ll be given 60 minutes to complete the entire TEAS 7 Science Section.
Important Note: There are six unscored pretest questions included in the section. These questions are used by the test developer to evaluate potential future TEAS questions and don’t count towards your final score.
Effectively Utilizable Time: Since the six pretest questions aren’t scored, you’ll have 60 minutes to answer the remaining 44 scored questions. This translates to roughly 1.36 minutes per scored question.
Tips for Effective Time Management:
- Don’t Get Stuck: If you’re struggling with a particular question, don’t waste too much time on it. Move on and come back to it later if you have time remaining.
- Prioritize Understanding: While the time limit exists, prioritize understanding the question and answer choices fully before selecting your response. Rushing through questions can lead to careless mistakes.
- Practice with Timed Tests: Utilize TEAS prep resources that offer timed practice tests specifically designed for the TEAS 7 Science Section. This will help you get accustomed to working under pressure and develop strategies for managing your time effectively during the actual exam.
By understanding the time constraints and practicing with timed tests, you can approach the TEAS 7 Science Section with a plan for efficient time management. Remember, prioritize understanding and accuracy over speed, but also be mindful of the time limit to ensure you have a chance to answer all the scored questions.
There’s no single “passing score” for the TEAS 7 Science Section. Here’s why:
Program-Specific Requirements: Each nursing or allied health program determines its own minimum score requirements for each TEAS section, including Science. It’s crucial to check with your desired program to find out the specific score you need in Science for admission.
Varied Ranges: Generally, program requirements for the TEAS 7 Science Section can range anywhere from 55% to 75%. More competitive programs might have higher score requirements in Science.
Here’s what you can do to find out the passing score for your program:
- Program Website: Many nursing programs clearly outline their admissions requirements, including the TEAS minimum scores for each section, on their official website.
- Admissions Office: Contact the admissions office of your desired program and inquire about their specific TEAS Science score requirements. This is the most reliable way to get the most up-to-date information.
The TEAS 7 Science Section assesses your foundational knowledge in scientific areas relevant to healthcare professions. Here’s a breakdown of the question types you can expect to encounter:
Content Areas:
Anatomy and Physiology (A&P): This is a major focus, testing your understanding of the human body’s structure and function. Expect questions on:
- Major organ systems (respiratory, cardiovascular, digestive, nervous, etc.)
- Cells, tissues, and organs and their interactions
- Body processes and how different systems work together
Biology: Brush up on the building blocks of life! Be prepared for questions on:
- Cellular processes (mitosis, meiosis, cell respiration)
- Genetics and heredity
- The scientific method and research design
Chemistry: Don’t worry, it’s not a full-blown chemistry exam! However, understanding the following will be helpful:
- The periodic table of elements and their properties
- Basic chemical reactions and formulas
- States of matter (solid, liquid, gas)
Scientific Reasoning: This is like the dessert – applying your knowledge! Here, you’ll be challenged to:
- Analyze scientific data (graphs, charts, tables)
- Interpret results of experiments or studies
- Draw sound conclusions based on scientific evidence
Question Formats:
While the specific questions will vary, the TEAS 7 Science Section uses a variety of formats to test your understanding:
- Multiple Choice: The classic format – choose the best answer from a list of options.
- Fill-in-the-Blank: Test your knowledge by providing the missing word or phrase in a scientific statement.
- Image-Based Questions: Put your visual thinking skills to the test by analyzing diagrams or figures related to scientific concepts and answering questions based on them.
- Matching: Demonstrate your understanding by matching terms or descriptions to their corresponding definitions.
Additional Notes:
- Remember, there are six unscored pretest questions. These questions are used by the test developer and don’t count towards your final score.
- You’ll have 60 minutes to answer the remaining 44 scored questions. This translates to roughly 1.36 minutes per question, but prioritize understanding over rushing.
By familiarizing yourself with the content areas, question formats, and time constraints, you can approach the TEAS 7 Science Section with confidence. Utilize TEAS prep resources like practice tests, study guides, and online tutorials to solidify your foundational knowledge and practice applying your scientific understanding to various scenarios.