Free online courseBiology foundations
Duration of the online course: 1 hours and 33 minutes
5
(3)
Discover essential biology concepts through Khan Academy's free online course. Learn about the scientific method, experimental design, elements, biomolecules, and more.
Course Description
The "Biology Foundations" course offers an exceptional introduction to the key concepts in biology. Spanning a concise duration of 1 hour and 33 minutes, this course is designed to provide a comprehensive overview, making it an excellent choice for anyone seeking a solid grounding in the basics of biology.
Rated with an impressive average of 5 stars, students have clearly found this course to be both informative and engaging. This accolade speaks volumes about the quality of content and the effective teaching methodology. It belongs to the Basic Studies category, specifically within the Biology subcategory.
The course begins with a broad "Biology Overview," which lays the foundation by introducing the primary concepts and scope of biological science. This sets the stage for a deeper dive into the intricacies of scientific inquiry with a module on "The Scientific Method." Here, learners explore how scientists formulate hypotheses, conduct experiments, and analyze data to draw meaningful conclusions.
Further in, the course provides practical examples of "Data to Justify Experimental Claims," aimed at high school biology students. This segment emphasizes the importance of evidence-based reasoning in the scientific process.
Another critical concept covered is "Introduction to Experimental Design." Understanding experimental design is essential for conducting reliable and valid scientific research. This part of the course gives students the tools they need to create sound experiments and interpret results accurately.
The course also delves into the fundamentals of chemistry that underpin biological processes. Topics such as "Elements and Atoms" provide a basic understanding of the building blocks of matter. It also covers "Atoms, Compounds, and Ions," essential for comprehending the chemical context of biological molecules.
Moving on to biochemistry, the course introduces "Introduction to Carbohydrates," "Introduction to Proteins and Amino Acids," "Introduction to Lipids," and "Introduction to Nucleic Acids and Nucleotides." These sections are pivotal, as they explain the structure and function of the macromolecules integral to life processes.
Understanding the smaller but equally crucial components of nutrition and molecular biology, the course offers insights into "Introduction to Vitamins and Minerals." This section underscores the role these micronutrients play in maintaining health and facilitating biochemical reactions.
The properties of water, a critical solvent in biological systems, are discussed in "Hydrogen Bonding in Water" and "Water as a Solvent." These topics elucidate why water is indispensable for life and how it supports various biological functions.
Lastly, the course addresses the chemical nature of aqueous solutions in "Introduction to pH." This segment helps learners understand acidity, basicity, and their relevance to biological systems.
Overall, "Biology Foundations" is an expertly curated course that offers a well-rounded introduction to biology. Its high rating reflects the satisfaction and value it provides to learners. Whether you are a high school student, a curious learner, or someone looking to revisit the basics, this course is a valuable resource.
Conteúdo do Curso
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Video class: Biology overview
0h04m
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Exercise: What fundamental characteristic of life is highlighted as a topic that will be studied in the Khan Academy's Biology section?
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Video class: The scientific method
0h11m
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Exercise: What is a key aspect of a hypothesis in the scientific method?
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Video class: Data to justify experimental claims examples | High school biology | Khan Academy
0h05m
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Exercise: Based on the biological principle that muscles perform better when adequately warmed up, what is the most likely reason trial two supported the student's claim better than trial one in the given experiment?
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Video class: Introduction to experimental design | High school biology | Khan Academy
0h09m
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Exercise: Which of the following is NOT a fundamental principle of a well-designed scientific experiment?
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Video class: Elements and atoms | Atoms, compounds, and ions | Chemistry | Khan Academy
0h13m
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Exercise: The most basic unit of an element is the:
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Exercise: What defines the element of an atom?
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Video class: Introduction to carbohydrates | Biology foundations | High school biology | Khan Academy
0h04m
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Exercise: Which of the following best describes the elemental composition ratio of carbohydrates similar to that of water?
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Video class: Introduction to proteins and amino acids | Biology foundations | High school biology | Khan Academy
0h05m
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Exercise: What are amino acids commonly referred to in the context of proteins?
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Video class: Introduction to lipids | Biology foundations | High school biology | Khan Academy
0h05m
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Exercise: Which of the following statements best describes the solubility of lipids in water?
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Video class: Introduction to nucleic acids and nucleotides | High school biology | Khan Academy
0h05m
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Exercise: Which of the following is NOT a component of a nucleotide?
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Video class: Introduction to vitamins and minerals | Biology foundations | High school biology | Khan Academy
0h06m
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Exercise: What distinguishes vitamins from minerals in the context of human nutrition?
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Video class: Hydrogen bonding in water | Water, acids, and bases | Biology | Khan Academy
0h06m
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Exercise: Why is water considered essential to life as we know it?
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Video class: Water as a solvent | Water, acids, and bases | Biology | Khan Academy
0h09m
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Exercise: Which of the following explanations best describes why water is considered a good solvent?
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Video class: Introduction to pH | Biology foundations | High school biology | Khan Academy
0h05m
This free course includes:
1 hours and 33 minutes of online video course
Exercises to train your knowledge
Certificate of course completion
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Course comments: Biology foundations
Fatima Hussain
fantastic test were fair without being easy
Jade Scott
I am grade 4
Fatima Hussain
great app for students