Soils have properties of color and texture, capacity to retain water, and ability to support growth of many kinds of plants including those in our food supply. Fossils provide evidence about the plants and animals that lived long ago and the nature of the environment at that time. The sun, moon, stars, clouds, birds, and airplanes all have properties, locations, and movements that can be observed and described. The sun provides the light and heat necessary to maintain the temperature of the earth. The surface of the earth changes through erosion, landslides, volcanic eruptions and earthquakes.
Weather changes from day to day and over the seasons.
The characteristics of organisms, Lifecycles of organisms, Organisms and environments. Each plant or animals has different structures that serve different functions in growth survival, and reproduction. Humans and other organisms have senses that help them detect internal and external cues. Plants and animals have life cycles that include being born, developing into adults, reproducing, and eventually dying. Plants and animals closely resemble their parents.