Electricity in circuits can produce light, heat, sound, and magnetic effects. Magnets attract and repel each other and certain kinds of other materials. Magnets Changes Weather 3. 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 Objects in the sky have patterns of movement.
Weather Changes 4. 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.