Presents a short study about simple machines and includes graphic organizers that describe how a screwdriver works, levers, wheel and axles, pulleys, gears, and inclined planes and wedges.
Presents a short study about energy and includes graphic organizers that describe how energy is captured, circuits, what a barrel of oil contains, nuclear fission, dams, and wind power.
Presents a short study about simple machines and includes graphic organizers that describe how a screwdriver works, levers, wheel and axles, pulleys, gears, and inclined planes and wedges.
Presents a short study about plant growth and includes graphic organizers that describe parts, photosynthesis, monocots, dicots, reproduction, and pollination.
Text and diagrams explain what food chains and webs are, exploring the roles played by habitats, herbivores, carnivores, and omnivores as well as causes of change in food chains and webs.
Presents an introduction to the water cycle, in simple text with illustrations, using graphs and charts to provide information on evaporation, transpiration, condensation, and precipitation.