Middle school chemistry
Learn chemistry using videos, articles, and NGSS-aligned practice exercises. Explore the world of elements, compounds, and mixtures, learn about the periodic table, understand physical properties such as density and heat capacity, discover how phase changes work, and investigate chemical reactions.
5 units24 videos3 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Classifying matter
Introduction to middle school chemistry
Compounds
Unit 2: Physical properties of matter
Intrinsic and extrinsic properties
States of matter and phase changes
Unit 3: Chemical changes
Chemical changes
Chemical reactions
Energy changes in chemical reactions
Unit 4: Thermal energy and heat
Temperature and heat
Heat capacity
Unit 5: Explore chemistry through simulations
Learn this with a class
With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.
Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.