From the Book - 2nd edition
Atomic/molecular motion: evidence from brownian motion and diffusion
Atomic/molecular motion: Relationship to temperature
Atomic/molecular motion: Heat and pressure
Concepts of chemistry: elements and compounds
Will it sink or float? Concepts of density and its measurement
How metal ships float and making a hydrometer
Convection currents: observation and interpretation
Cells: Microscopes, observations of tissues and the cell theory
Cells: Cell growth, division, and differentiation
Cells: Integrating cells and whole-body functions
Fungi and bacteria: What they are and their role as decomposers in nature
Fungi and bacteria: decomposers versus food storage and preservation; commercial uses of fungi and bacteria
Fungi and bacteria: decomposers versus disease and health
Microscopic organisms: Single-celled organisms; kingdom protista
The life of plants: growing plants for fun, food and learning
The life of plants: how a plant grows its parts
Pt 3. Physical science, Engineering, and Technology
Center of gravity, balance, and wobbling wheels
Movement energy and momentum
Mechanics: levers and discovery of the underlying principle
Mechanics: inclined planes, pulleys, gears and hydraulic lifts
Electricity: electric circuits, switches, conductors and non-conductors
Electricity: Static electricity sparks and lightning
Electricity: Parallel and series circuits, fuses, short circuits, fuses and ground wires
Light: Basics of light and seeing
Pt 4. Earth and space science
Cause of seasonal changes
The water cycle and its ramifications
Earthquakes, volcanoes and movements of tectonic plates
Mapping the earth: latitude and longitude
Climate and weather: wet tropics and dry deserts.