OK, you've finished the whole book now. In order to supplement (add to) the exercises at the end of each chapter, there is a big quiz you have to finish before getting to the end of this book so that you know how well you did. Older kids may want to use this to prepare for tests or exams. If your computer has flash player 8 or above, you should use the interactive version at this website. Are you ready? On your marks, get set, go!
5. Hi! If you put me in a box whose capacity is the same as my volume, I will fit nicely inside, but you cannot squash me. I am insoluble in water, and my density is a lot less than water. What could I be?
If you got over 80% of the answers, congratulations! You are now familiar with the science of particles. If you got under 50%, you'd better read through the book again to ensure that your understanding of particles is good. Before you put down this book, we will look through the main points again. If you forgot about some of the things, you can always look at the summary again. This will save you a lot of time.