Multiple choice and Short answer questions for students studying in grade 6. Helps you ace science exams with high scores in your class. Easy to use, fun, and saves time. You can submit quizzes without time limits.
For those questions that you got wrong, it is recommended to do the additional reading provided in the answer section once you submit an answer.
Think of the expansion of the universe as an inflating balloon. As a balloon is inflated, it expands in all directions. The universe also expands in all directions.
Using some geometry, can you understand how scientists might be able to use data to determine the distance between stars? What measurements are needed?