STEM
In STEM we learn about physical properties and chemical properties. We learn about what is the differences between physical and chemical properties and how it reacts. At the end of the round, we learn about the atom. We learn what is the atomic number and atomic mass. Atomic number is the number of proton in the atom, and atomic mass is the mass of an atom. We also learn about the particular that is in the atom. They are proton, neutron and electron.