Life Science: Middle School

Course Summary

Increase your middle schooler's understanding of organisms, cell parts, microbiology and other life science topics with this kid-friendly study course. Review the short video lessons and then test how well your student understands the material with our multiple-choice quizzes.
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Try it risk-free for 30 days

35 chapters in Life Science: Middle School

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
  • Comprehensive test covering all topics
  • Detailed video explanations for wrong answers
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Course Progress Best Score
Lesson 1 - Origins of the Universe: The Big Bang and Expanding & Contracting Universes  Take Quiz
Lesson 2 - Evidence for the Big Bang Theory: Background Radiation, Red-Shift and Expansion  Take Quiz
Lesson 3 - Galaxy Formation: Spiral, Elliptical & Irregular Galaxies  Take Quiz
Lesson 4 - Formation of the Earth: Theories  Take Quiz
Lesson 5 - Earth's 4 Major Geological Subsystems  Take Quiz
Lesson 6 - How Major Catastrophic Events Disrupt the Course of Life on Earth  Take Quiz
Lesson 7 - Using Fossil Evidence to Evaluate Changes in Environment & Life Conditions  Take Quiz
Lesson 8 - How Earth's Shifts Have Redistributed Organisms Over Time  Take Quiz
Lesson 9 - Geologic Time Scale: Major Eons, Eras, Periods and Epochs  Take Quiz
Lesson 10 - Theories of Geological Evolution: Catastrophism vs Uniformitarianism  Take Quiz
Lesson 11 - Methods of Geological Dating: Numerical and Relative Dating  Take Quiz
Lesson 12 - What is Relative Dating? - Law of Superposition, Principles of Original Horizontality & Cross-Cutting Relationships  Take Quiz
Lesson 13 - Principles of Radiometric Dating  Take Quiz
Lesson 14 - Radiometric Dating: Methods, Uses & the Significance of Half-Life  Take Quiz
Lesson 15 - Conditions of Fossil Preservation: Rapid Burial, Hard Parts & the Elements  Take Quiz
Lesson 16 - Relative Dating with Fossils: Index Fossils as Indicators of Time  Take Quiz
Lesson 17 - Using Geological Layers & Radioactive Dating to Determine the Earth's Age  Take Quiz
Lesson 18 - Developments & Extinctions of Life on the Geological Time Scale  Take Quiz

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Practice Tests in this course
Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
Your detailed study guide will include:
  • Answers and detailed explanations to each question
  • Video lessons to explain complicated concepts
Course Practice Test
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Ch. 10
Genetic Engineering Basics
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