In this chapter the student will learn the important concepts of working, machines, and types of energy. It helps the student to understand what the terms work and energy mean. Also the student will be exposed to deciding if a machine is simple, compound, or complex. In this chapter the student will learn the properties of matter. The topics include the various states of matter, the unique combinations of matter, and methods used for measuring matter.
Important words used in the chapter include atoms, molecules, elements, and compounds.
This chapter covers the important concepts related to electricity, magnets,and atoms. The student will gain insights into the parts of the atom, the types of electrical circuits, some safety steps and devices, and special features of magnets. Also sources of electricity will be explained. In this chapter the student will learn the characteristics of light and sound. The student will be given information about different types of sound and light.