Science Courses

The library of engaging online science courses touches on topics of different branches of science, including biology, chemistry, physics, and environmental science.

These courses will help learners engage and strengthen their understanding of the sciences through self-paced video lessons that can help learners study for exams and boost their grades. Students can access these science courses and learn at their own pace.

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What is Science?

Science can be defined as both a field of study that acquires knowledge and the organized body of knowledge gained from the field of study. The field of study uses observation, including watching, listening, feeling, recording, and experimentation to discover what is in the universe and explain natural phenomena in the world. Scientific experimentation involves predictive methodologies and the collection and testing of empirical evidence. There are three main realms of science: the natural sciences, the social sciences, and the formal sciences. The natural sciences describe, understand, and predict the natural world and the universe. It includes the scientific branches of biology, chemistry, and physics, which are further divided into sub-fields such as biochemistry, anatomy and physiology, earth science, environmental science, botany, cell biology, electrochemistry, astronomy, and microbiology. Social sciences deal with the study of human societies and human-world interactions. Sub-fields of the social sciences include sociology, psychology, law, politics, anthropology, geography, history, cultural studies, and economics. Lastly, the formal sciences involve the study of formal systems. They include sub-fields such as mathematics, engineering, computer science, logic, statistics, artificial intelligence, data science, systems science, and engineering.

Science is a very important field of study and is applied to the daily activities of humans. The use of science is how many valuable inventions were created that are essential to everyday life, including lightbulbs in our homes, kitchen appliances, cellphones to communicate with family and friends, and cars for traveling. Science has also led to advances in the medical field, allowing humans to manage diseases and live longer.

Science Skills & Practices

Access our collection of practice problems designed to help students learn and master the fundamentals of chemistry and physics skills. The science lessons and skills collection includes thousands of practice problems, step-by-step explanations, video walkthroughs, games and activities, self-assessment quizzes, and proctored exams, among many other useful resources.

The chemistry resources have been designed to help students learn and master fundamental high school chemistry skills, including practice problems related to mass, volume, and density, substances and solutions, reaction and solution stoichiometry, buffers and weak acids, and equilibrium. Similarly, the AP chemistry resources are also designed to help students learn and master the fundamental high school chemistry skills, including practice problems related to argumentation, valence electrons and ionic compounds, the structure of ionic solids, metals and alloys, properties of solids, kinetic-molecular theory, spectroscopy, the electromagnetic spectrum, the photoelectric effect, and physical and chemical changes. The chemistry skills practice resources include materials that have been aligned with Texas and Florida school's state chemistry standards.

Skills in physics are also a part of our collection of science lessons and skillss specially designed for high school students. In the high school physics resources, students will find resources related to nuclear and atomic physics, diffraction and polarization, light and optics, magnetism, electric current and circuits, static electricity, thermodynamics and engines, sounds, waves, heat and thermal physics, forces, and rotational motions.

The AP physics resources have been divided into various categories, including Physics 1, Physics 2, Psychics C: E&M, and Physics C: Mechanics. Physics 1 includes topics such as kinematics, dynamics, circular motion and gravitation, energy, simple harmonic motion, momentum, torque, and rotational motion. Physics 2 includes fluids, thermodynamics, electric force, electric circuits, magnetism, and electromagnetic induction. AP Physics C: E&M skills resources include electrostatics, conductors, capacitors, dielectrics, electric circuits, magnetic fields, and electromagnetism. Lastly, AP Physics C: Mechanics skills resources include Newton's laws and forces, work, energy, and power, particles and linear momentum, rotations and oscillations, and gravitation. With these practice problems and resources, students will master the sciences.

Science Tutors has partnered with the award-winning Tutoring team at Enhanced Prep to bring you personalized online Science tutoring. Discover a unique tutoring program to get you the grade, score, or school.

Enhanced Prep provides a truly customizable approach to tutoring, focusing on each student's specific needs. Students are matched with the right tutor who can help them study for a Science test one day and prep for their upcoming college entrance exam the next.

Enhanced Prep professional tutors have a minimum of 5 years' experience helping students get into their dream schools. Other leading services require as little as half a year of experience.

No two students are the same. Tutors create a unique game plan for each student following an assessment of their individual strengths and weaknesses. Tutoring Membership
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Learn from Science experts

Meet our experts

  • How can students prepare for majoring in your field?
  • What are some real world careers in your field?
  • What advice do you have for students taking a class in your field, but are not confident in the subject?
  • What are some challenges about working in your field?

I have a Doctorate in Microbiology from North Carolina State University and postdoctoral training from Emory University. I teach Microbiology to undergraduate and graduate students. My research interest focuses on understanding antibiotic resistance in bacteria.

How can students prepare for majoring in your field?

Students should participate in summer research internships or get involved in any available research opportunities on their campus starting their freshmen year.

What are some challenges about working in your field?

The different career paths mentioned usually require obtaining a graduate level or medical degree.

What are some real world careers in your field?

Academic professor, research scientist (private and governmental sectors), infectious disease doctor, industrial microbiologist, and clinical microbiologist, etc

What advice do you have for students taking a class in your field, but are not confident in the subject?

Students should commit to studying daily and approach studying information in this field in short increments of time.

Dr. Mali Hubert is an Assistant Professor of Biology at Tennessee Wesleyan University where she teaches botany, ecology, and general biology courses and mentors undergraduate biology students. She's committed to cultivating a classroom environment that is inclusive both in atmosphere and content. Her research expertise focuses on understanding plant community changes after human disturbance events, including anthropogenic wildfire and urbanization.

What are some real world careers in your field?

Biology generally has a wide array of careers for students interested in anything from medicine to wildlife conservation. Specifically, in courses like botany and ecology, skills and knowledge are centered around preparing students for careers that focus on field research and exploring the natural world. Examples of careers could be a: field ecologist, park naturalist, field/lab technician, botanist, or forester. In my courses, we spend most of our time exploring the natural world and understanding how ecological processes come together to form and strengthen interactions among organisms. Careers like those mentioned above may require strong field identification skills for animals and plants, an understanding of how to assess ecological health of terrestrial and aquatic systems, and a knowledge of interactions and connections across trophic levels.

How can students prepare for majoring in your field?

As a biology major, you need to have a strong foundational knowledge throughout general biology. Regardless of your specific career path or whether you're aiming for medical school, graduate school, or going directly into the job force upon graduation, a foundational knowledge is key to making broad connections and seeing the big picture. Take the time to truly understand and retain the information that you learn in general biology courses; it will help you throughout your undergraduate career to as you build upon that knowledge and find the 'niche' that you're interested in pursuing.

Additionally, my advice is to focus a lot of time and effort in learning not only how to study, but how YOU study. Students often come to college relying on re-reading notes or the textbook to study for summative exams. This is often not an engaging study method that helps you retain important information in the long term. If you want to truly absorb and understand foundational knowledge in biology, taking the time to process how you as an individual understand material can make studying not only easier, but more effective.

What advice do you have for students taking a class in your field, but are not confident in the subject?

I think it's important to know that no matter your background, culture, or gender, anyone can be a scientist. If you're not confident in the topic you're learning about, don't be afraid to seek out help from your instructor or from a peer. At some point, your instructor was in the same position you were, so they'll likely be very understanding and willing to help you with your struggles. It's OK if you don't understand material right away; what's most important is that you make an effort to learn and grow while you're taking biology courses. That growth will lead and guide you through your time as an undergraduate.

What are some challenges about working in your field?

Biology careers often present similar challenges to any other career like - learning how to balance work and your personal life and learning to say 'no' when tasks become overwhelming. However, unlike some other career, as a biologist you constantly have to learn and update your knowledge to keep up with scientific discoveries. Science is not a static process, but rather is constantly evolving and progressing. Your learning experience will never stop as a biologist--but that's part of what makes it exciting!

Scholarships and Career Resources for STEM Students

Person Holding Laboratory Flask

Earning a degree and starting you career can be intimidating for any student - but for a competitive and expansive field like STEM (Science, Technology, Engineering, and Math) it can be even more intimidating. Earning a degree and starting you career can be intimidating for any student - but for a competitive and expansive field like STEM (Science, Technology, Engineering, and Math) it can be even more daunting. STEM careers are on the rise, with some of the fastest-growing occupations according to the U.S. Bureau of Labor and Statistics, and majoring in a STEM field can help set you up for career success after college. With so many wide-ranging options, it can be hard to figure out where to get started. Here are some great resources to help you in your college and career journey in STEM:

Trending & Growing Jobs in STEM

Careers in STEM continue to be among the fastest-growing, most impactful, and highest-paying jobs in the United States. However, that does breed some competition for landing roles in the field. To help you embark on the journey of landing a career in the field of STEM, we've identified some of the fastest growing jobs in the field:

  • Computer Engineering: At the intersection of electrical engineering and computer science, Computer Engineers utilize their learnings to develop and improve hardware & software for our computers. If you're passionate about creating the next great invention in computing technology, or creating your own AI language Model like ChatGPT, this could be the career for you! All we ask is that you do us all one favor - please don't let Artificial Intelligence take over and rule over us.
  • Civil Engineering: It's cliche, but the journey is truly as important as the destination - at least for a Civil Engineer. These engineers work to design and construct our major transportation networks and other important infrastructure. If you've ever been in a similar situation to Martin Brody and are thinking you're going to need a bigger boat, maybe you can become a civil engineer and create a shark-proof boat channel.
  • Statistics: If you've ever dreamed of becoming the next Billy Beane and revolutionizing a sport through statistics or dreamed of utilizing data to lead a business to its strongest year yet, this could be the career for you! Ingesting copious amounts of data and streamlining it to drive decision-making can help put any business over-the-top - if it led the Oakland A's to the playoffs there's no telling what a career in statistics can do for you.
  • Web Development: Designing and creating the structure of a website is a unique blend of the STEM and STEAM fields, as not only is extensive knowledge of computer programming required - but so is knowledge of graphic design. If you've ever wondered how websites work, wanted to build a personal website, or had a longstanding gripe against a webpage for taking too long to load you can pursue a degree in web development to learn how to make the internet a better place!