An essential practice test quiz for all the 9th graders out there. You will be tested upon your knowledge of such a topic so it could help you analyze yourself for the amount of hard work you need to put on your studies.
Questions: 10 | Attempts: 13847 | Last updated: Aug 18, 2020
How are molecules distributed in the environment?
As explained in this animation, the random movement of molecules in a gas or a liquid will cause the molecules to become evenly distributed in the environment. If we look at the...
Questions: 5 | Attempts: 11479 | Last updated: May 10, 2021