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Find science courses designed to help you meet each of your educational goals. Our self-paced video lessons can help you study for exams, continue your education or excel in your physical science, health and biology classes. Read more

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ACT Prep: Help and Review (299 video lessons) ACT Prep: Tutoring Solution (296 video lessons) AP Biology Textbook (261 video lessons) AP Biology: Exam Prep (261 video lessons) AP Biology: Help and Review (261 video lessons) AP Biology: Homework Help Resource (261 video lessons) AP Biology: Tutoring Solution (261 video lessons) AP Chemistry Textbook (124 video lessons) AP Chemistry: Exam Prep (124 video lessons) AP Chemistry: Help and Review (124 video lessons) AP Chemistry: Homework Help Resource (124 video lessons) AP Chemistry: Tutoring Solution (124 video lessons) AP Environmental Science Textbook (273 video lessons) AP Environmental Science: Exam Prep (273 video lessons) AP Environmental Science: Help and Review (273 video lessons) AP Environmental Science: Homework Help Resource (273 video lessons) AP Environmental Science: Tutoring Solution (272 video lessons) AP Physics 1: Exam Prep (56 video lessons) AP Physics 2: Exam Prep (60 video lessons) AP Physics C: Exam Prep (72 video lessons) Anatomy & Physiology Textbook (240 video lessons) Anatomy & Physiology: Tutoring Solution (240 video lessons) Anatomy and Physiology: Certificate Program (240 video lessons) Astronomy 101: Intro to Astronomy (238 video lessons) Biology 101: Intro to Biology (220 video lessons) Biology 102: Basic Genetics (94 video lessons) Biology 103: Microbiology (208 video lessons) Biology 105: Anatomy & Physiology (240 video lessons) Biology 106: Pathophysiology (273 video lessons) Biology: Credit Recovery (330 video lessons) Biology: High School (330 video lessons) CLEP Biology: Study Guide & Test Prep (220 video lessons) CLEP Chemistry: Study Guide & Test Prep (108 video lessons) CLEP Natural Sciences: Study Guide & Test Prep (281 video lessons) CSET Biology and Life Science: Subtest III Practice and Study Guide (260 video lessons) CSET Chemistry Subtest III: Practice and Study Guide (148 video lessons) CSET Earth and Planetary Science Subtest III: Practice and Study Guide (105 video lessons) CSET General Science Subtest I: Practice and Study Guide (147 video lessons) CSET General Science Subtest II: Practice and Study Guide (187 video lessons) Chemistry 101: General Chemistry (108 video lessons) Chemistry: Credit Recovery (134 video lessons) Chemistry: High School (134 video lessons) College Biology Textbook (220 video lessons) College Biology: Help and Review (221 video lessons) College Chemistry: Certificate Program (108 video lessons) College Chemistry: Help and Review (108 video lessons) College Chemistry: Homework Help Resource (108 video lessons) College Chemistry: Tutoring Solution (108 video lessons) College Earth Science: Help and Review (178 video lessons) DSST Astronomy: Study Guide & Test Prep (238 video lessons) DSST Environment & Humanity: Study Guide & Test Prep (176 video lessons) DSST Here's To Your Health: Study Guide & Test Prep (232 video lessons) DSST Physical Geology: Study Guide & Test Prep (204 video lessons) DSST Principles of Physical Science: Study Guide & Test Prep (191 video lessons) Earth Science 101: Earth Science (178 video lessons) Earth Science 102: Weather and Climate (55 video lessons) Earth Science: Homework Help Resource (178 video lessons) Earth Science: Middle School (19 video lessons) Earth Science: Tutoring Solution (178 video lessons) Environmental Science 101: Environment and Humanity (176 video lessons) FTCE Earth and Space Science: Test Practice and Study Guide (119 video lessons) FTCE Middle Grades General Sciences: Test Practice and Study Guide (255 video lessons) FTCE Physics: Test Practice and Study Guide (79 video lessons) GED Science: Help and Review (351 video lessons) GED Science: Homework Help Resource (351 video lessons) GED Science: Life, Physical and Chemical (354 video lessons) GED Science: Tutoring Solution (351 video lessons) General Chemistry Textbook (108 video lessons) Geology 101: Physical Geology (204 video lessons) Glencoe Biology: Online Textbook Help (285 video lessons) Glencoe Chemistry - Matter And Change: Online Textbook Help (136 video lessons) Glencoe Earth Science: Online Textbook Help (190 video lessons) Health 101: Principles of Health (232 video lessons) High School Biology Textbook (330 video lessons) High School Biology: Help and Review (330 video lessons) High School Biology: Homeschool Curriculum (330 video lessons) High School Biology: Homework Help Resource (335 video lessons) High School Biology: Tutoring Solution (330 video lessons) High School Chemistry Textbook (134 video lessons) High School Chemistry: Help and Review (132 video lessons) High School Chemistry: Homeschool Curriculum (134 video lessons) High School Chemistry: Homework Help Resource (134 video lessons) High School Chemistry: Tutoring Solution (132 video lessons) High School Physical Science: Help and Review (294 video lessons) High School Physical Science: Homework Help Resource (295 video lessons) High School Physical Science: Tutoring Solution (294 video lessons) High School Physics Textbook (138 video lessons) High School Physics: Help and Review (137 video lessons) High School Physics: Homework Help Resource (136 video lessons) High School Physics: Tutoring Solution (136 video lessons) Holt Chemistry: Online Textbook Help (119 video lessons) Holt McDougal Earth Science: Online Textbook Help (176 video lessons) Holt McDougal Modern Biology: Online Textbook Help (354 video lessons) Holt Physical Science: Online Textbook Help (160 video lessons) Honors Biology Textbook (261 video lessons) Honors Chemistry Textbook (124 video lessons) Human Anatomy & Physiology: Help and Review (240 video lessons) ILTS Science - Chemistry: Test Practice and Study Guide (279 video lessons) ILTS Science - Earth and Space Science: Test Practice and Study Guide (254 video lessons) ILTS Science - Environmental Science: Test Practice and Study Guide (191 video lessons) ILTS Science - Physics: Test Practice and Study Guide (202 video lessons) Intro to Astronomy: Help and Review (209 video lessons) Introduction to Astronomy: Certificate Program (238 video lessons) Introduction to Biology: Certificate Program (220 video lessons) Introduction to Earth Science: Certificate Program (178 video lessons) Introduction to Environmental Science: Certificate Program (176 video lessons) Introduction to Environmental Science: Help and Review (176 video lessons) Introduction to Genetics: Certificate Program (94 video lessons) Introduction to Natural Sciences: Certificate Program (281 video lessons) Introduction to Nutrition: Certificate Program (150 video lessons) Introduction to Physical Geology: Help and Review (204 video lessons) Life Science: Middle School (161 video lessons) MCAT Prep: Help and Review (494 video lessons) MCAT Prep: Tutoring Solution (493 video lessons) MCAT Test: Practice and Study Guide (493 video lessons) Microbiology Textbook (208 video lessons) Microbiology: Certificate Program (208 video lessons) Microbiology: Help and Review (208 video lessons) Microbiology: Tutoring Solution (208 video lessons) Middle School Earth Science: Help and Review (19 video lessons) Middle School Earth Science: Homeschool Curriculum (8 video lessons) Middle School Earth Science: Homework Help Resource (19 video lessons) Middle School Earth Science: Tutoring Solution (19 video lessons) Middle School Life Science Textbook (161 video lessons) Middle School Life Science: Help and Review (127 video lessons) Middle School Life Science: Homework Help Resource (146 video lessons) Middle School Life Science: Tutoring Solution (145 video lessons) Middle School Physical Science: Help and Review (31 video lessons) Middle School Physical Science: Homeschool Curriculum (32 video lessons) Middle School Physical Science: Homework Help Resource (32 video lessons) Middle School Physical Science: Tutoring Solution (31 video lessons) NY Regents Exam - Chemistry: Help and Review (114 video lessons) NY Regents Exam - Chemistry: Test Prep & Practice (114 video lessons) NY Regents Exam - Chemistry: Tutoring Solution (114 video lessons) NY Regents Exam - Earth Science: Help and Review (112 video lessons) NY Regents Exam - Earth Science: Test Prep & Practice (112 video lessons) NY Regents Exam - Earth Science: Tutoring Solution (112 video lessons) NY Regents Exam - Living Environment: Help and Review (185 video lessons) NY Regents Exam - Living Environment: Test Prep & Practice (185 video lessons) NY Regents Exam - Living Environment: Tutoring Solution (185 video lessons) NY Regents Exam - Physics: Help and Review (58 video lessons) NY Regents Exam - Physics: Test Prep & Practice (58 video lessons) NY Regents Exam - Physics: Tutoring Solution (58 video lessons) Natural Sciences for Teachers: Professional Development (281 video lessons) Nursing 101: Fundamentals of Nursing (7 video lessons) Nutrition 101: Science of Nutrition (150 video lessons) Pathophysiology Textbook (273 video lessons) Pathophysiology: Certificate Program (273 video lessons) Pathophysiology: Help and Review (273 video lessons) Physical Geology Textbook (204 video lessons) Physical Geology: Certificate Program (204 video lessons) Physical Science Textbook (310 video lessons) Physical Science for Teachers: Professional Development (191 video lessons) Physical Science: Help and Review (192 video lessons) Physical Science: High School (292 video lessons) Physical Science: Middle School (32 video lessons) Physics 101: Intro to Physics (117 video lessons) Physics: High School (138 video lessons) Praxis II Biology and General Science: Practice and Study Guide (460 video lessons) Praxis II Biology: Practice and Study Guide (272 video lessons) Praxis II Chemistry: Practice and Study Guide (139 video lessons) Praxis II Earth and Space Sciences: Practice and Study Guide (195 video lessons) Praxis II Environmental Education: Practice and Study Guide (174 video lessons) Praxis II Health Education: Practice and Study Guide (189 video lessons) Prentice Hall Biology: Online Textbook Help (231 video lessons) Prentice Hall Earth Science: Online Textbook Help (169 video lessons) Principles of Health: Certificate Program (232 video lessons) Principles of Physical Science: Certificate Program (191 video lessons) Remedial Life Science (159 video lessons) SAT Biology: Help and Review (217 video lessons) SAT Chemistry: Help and Review (108 video lessons) SAT Physics: Help and Review (81 video lessons) SAT Subject Test Biology: Practice and Study Guide (217 video lessons) SAT Subject Test Biology: Tutoring Solution (217 video lessons) SAT Subject Test Chemistry: Practice and Study Guide (108 video lessons) SAT Subject Test Chemistry: Tutoring Solution (108 video lessons) SAT Subject Test Physics: Practice and Study Guide (81 video lessons) SAT Subject Test Physics: Tutoring Solution (81 video lessons) Science 101: Intro to Natural Sciences (281 video lessons) Science 102: Principles of Physical Science (191 video lessons) Supplemental Science: Study Aid (15 video lessons) TExES Health EC-12: Practice and Study Guide (104 video lessons) UExcel Anatomy & Physiology: Study Guide & Test Prep (240 video lessons) UExcel Basic Genetics: Study Guide & Test Prep (94 video lessons) UExcel Earth Science: Study Guide & Test Prep (178 video lessons) UExcel Microbiology: Study Guide & Test Prep (208 video lessons) UExcel Pathophysiology: Study Guide & Test Prep (273 video lessons) UExcel Science of Nutrition: Study Guide & Test Prep (150 video lessons) UExcel Weather and Climate: Study Guide & Test Prep (55 video lessons) Weather and Climate Science: Certificate Program (55 video lessons)

Supplemental Materials

Education Portal Instructors

Education Portal's 53 instructors bring a diverse array of experience and expertise to each course. From teaching philosophy in Athens, Greece, to exploring the mystery of genetics, each instructor is uniquely qualified to bring students the best online learning experience possible. Meet them now!

Jessica Bayliss, M.S.

Jessica Bayliss Jessica is our Director of Education and leads the development of Education Portal's courses. She has 10 years of experience in education and online teaching. Her work with students of all age levels drives her belief in the power of online resources to make higher education more affordable and efficient. Jessica's favorite part of the day is reading feedback from Education Portal's students. She has a bachelor's degree from the University of Illinois and a master's degree in instructional technology from Texas A&M - Kingsville.

Greg Chin, Ph.D.

Greg Chin, Ph.D.Greg has taught genetics, molecular biology, and general biology to high school, collegiate, and post-graduate students at Stanford University, the University of California, Los Angeles, Santa Clara University and the Dolan DNA Learning Center at Cold Spring Harbor Laboratory. He has also taught science workshops for the general public and led biology teacher enrichment workshops throughout the U.S. He received a B.S. in Genetics from the University of California, Davis, and a Ph.D. from Stanford University. Find out how your genes work in Greg's introduction to genetics video lesson!

Max Pfingsten, M.Ed.

Max Pfingsten, M.A. & M.Ed.Max has taught classics, history and philosophy at a variety of levels at the Dikemes Academy in Athens, the Boulder Valley School District, University of Colorado at Boulder and the Illinois Mathematics and Science Academy (IMSA). His work is noteworthy for its synthesis of technology and simulation with more traditional teaching approaches. He received a B.A. in Classics from Depauw University, a M.A. in Classics from University of Colorado at Boulder, and a M.Ed. from Jones International University. See Socrates come to life in Max's lesson on the life, death, and philosophy of the great Socrates.
Meet all 53 of our instructors

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