How the world works
An inquiry into the natural world and its laws; the interaction between the natural world (physical and biological) and human societies; how humans use their understanding of scientist principles; the impact of scientific and technological advances on society and on the environment.
Living things change within their life cycle.Read more...
Understanding the properties of forces allows people to make practical applications.
Light and Shadows
Living things depend on light as an essential resourceRead more...
Humans manipulate materials to meet their needs.
Scientist learn about sound to understand natural laws.