Chemistry Sample Tests (Grade 8)

Dear Students,

Welcome to today’s chemistry contest! This exam is designed to test your understanding of basic chemistry concepts—atoms, elements, compounds, reactions, and the periodic table—as well as your ability to apply scientific thinking. Read each question carefully, show your work where required, and manage your time wisely.

You’ve explored the building blocks of matter, so now it’s your chance to show what you know and enjoy the challenge. Good luck and have fun!