- Course type: Self-paced
- Available Lessons: 60
- Average Lesson Length: 8 min
Eligible for Certificate: Yes
Certificates show that you have completed the course. They do not provide credit.
Watch a preview:chapter 1 / lesson 1What is Position in Physics? - Definition & Examples
Course SummaryLet us help you review the topics you're learning about in class or study for a test with this middle school physical science course. Watch our short video lessons on the topics of chemistry, physics and space science, and then test your understanding with the quizzes and chapter tests.
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Course Practice TestCheck your knowledge of this course with a 50-question practice test.
- Comprehensive test covering all topics
- Detailed video explanations for wrong answers
About This Course
If you're taking a physical science course this year, use these chapters to bolster your knowledge of topics typically covered in a middle school classroom. Our experienced instructors can help you review an element's atomic properties, examine the chemical and physical characteristics of objects and discover the forces acting upon them. You can use this knowledge to further explore subjects ranging from phase changes and the periodic table to living systems chemistry and the solar system. Topics of study covered in this course include:
- Speed, velocity, force and Newton's laws of motion
- Atomic properties of periods and groups in the periodic table
- Molecules, compounds, phase changes and states of matter
- Characteristics of objects in the solar system
- Chemical composition of living organisms
- Mathematical formulas for calculating experiment variables
- Strategies for designing experiments and analyzing data
Our physical science chapters are broken down into a series of short video lessons that make it easy to process each topic's main ideas and terminology. There are also corresponding transcripts with links to supplementary text lessons as well as multiple-choice quizzes you can use to determine what topics, if any, will require extra study.
|Motion & Forces||Use Newton's laws to describe the relationships between force, motion and acceleration as well as weight, mass and gravity. Develop the mathematical skills needed to calculate distance, time, speed and velocity. Discover the differences between contact and noncontact forces.|
|Structure of Matter||Explore the atomic structure of elements and find out how they combine to create compounds and molecules. Examine the physical and chemical properties of matter as well as their various states. Learn to identify the differences between chemical and physical changes.|
|Earth in the Solar System||Ponder galaxy and star formation and consider the structure and life cycle of the sun. Study astronomical units and types of stars alongside inner, outer and dwarf planets. Discover characteristics of asteroids, meteorites and comets. Contemplate theories about the formation of the moon.|
|Reactions||Get tips for balancing chemical equations and learn how to describe reactions among atoms and molecules. Identify phase changes, such as condensation, melting and deposition. Determine whether a solution's pH makes it acidic, basic or neutral.|
|Chemistry of Living Systems||Recognize living organisms' chemical composition and discover the roles of carbon, nitrogen, hydrogen, oxygen, phosphorous and sulfur.|
|Using the Periodic Table||Pinpoint the properties of groups and periods on the periodic table, such as noble gases, halogens, alkali metals and nonmetals.|
|Periodic Table||Determine an element's energy level, ionization energy and electronegativity based on its place in the periodic table. Classify substances by properties, including density, hardness and electrical conductivity.|
|Density and Buoyancy||Use mass and volume to calculate the density of a liquid or solid. Learn how to predict an object's buoyancy.|
|Investigation & Experimentation in Physical Science||Examine steps in the scientific method. Learn how to design experiments, identify variable and controlled parameters, evaluate data and read scientific graphs and charts. Practice using algebra to solve formulas with missing quantities, and find out how to decipher between linear and nonlinear relationships.|
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