Do you know what makes up the book you're reading? The answer is matter, and it's at the heart of everything we use in our everyday lives! Discover how matter is all around us as we explore atoms, molecules, and the different properties matter can take. Readers will also learn how to measure matter, its different states, and how it's transformed. Add some fun to young readers' academic routines with Aha Academy! With everything students need to know plus brilliant biographies, amazing cross-curricular links, and inspiring career connections, this fun, fact-packed series will keep readers entertained and informed.