Forest Ridge School District 142 Science Overview Grade: Seventh Grade Unifying Theme: Stability & Change ESSENTIAL QUESTION: How can we investigate the conditions of stability and change within designed and natural systems? Scientific Inquiry Engineering The Nature of Science Habits of Mind Life Science Structure & Function of Living Systems Environments Health Physical Science Force & Motion Frontiers of Science & Technology Natural Resources Scientific Inquiry Scientific inquiry is a dynamic process that is not limited to one scientific method. Living systems at all levels of organization demonstrate the complimentary nature of structure and function. The motion of an object is described by its relative position, direction of movement, and its speed. Inquiry engages learners in asking scientifically oriented questions, gathering and prioritizing evidence, formulating explanations, making connections to scientific knowledge and communicating and justifying explanations. Engineering Design systems have interacting parts that can be analyzed by investigating the complexity of inputs and outputs and their relationship to the feedback loop. Technological design/engineering is a dynamic problem-solving process that engages designers in proposing solutions, testing, analyzing and modifying designs. The Nature of Science IL Standards 13A & B Science is an imaginative endeavor that is subject to modification as new information challenges current theories. It involves the collection of data, the use of logical reasoning, argumentation and the devising of hypotheses and Important levels of organization of structure and function include cells, organs, tissues, organ systems, whole organisms and ecosystems. The cell is the fundamental unit of life. Most organisms are single cells: other organisms are multi-cellular (animals/plants). Forces affect the movement, speed and direction of objects. The forces acting on natural and human made structures can be analyzed using simulations, models, and games to demonstrate the principles of motion and the effects of collisions. (NSES) Motion in the universe can be explained by the same few rules. Earth/Space Science Dynamic Changing Earth/Catastrophic Events Hazards The earth is a complex and dynamic 4.6 billion year-old system of rock, water, air and life. Scientists have used indirect evidence from fossil beds, sedimentary rocks, volcanic flows and glacial deposits to support that the earth is 4.6 billions years old. The earth is made up of four systems, atmosphere, hydrosphere, biosphere and geosphere. The earth works in cycles. The solid earth is layered with a lithosphere, a hot Cells carry on many functions needed to sustain life. convecting mantle, and a Specialized cells perform specialized functions in multicellular organisms. The earth’s lithosphere is Change Over Time All forms of life change over time by natural selection. The unity among organisms becomes apparent from an analysis of internal structures, the similarity of their chemical processes and evidence of common ancestry. dense metallic core. broken into plates and faults that move constantly. The plates are the top part of a giant convection cell. The surface of the earth is constantly changing as a result of constructive and destructive forces. The earth processes, movement in plates and changes of atmospheric Forest Ridge School District 142 explanations informed by evidence. Habits of Mind Scientists keep honest/unbiased, clear and accurate records, value hypotheses and understand that more than one explanation can be given for the same evidence. Scientists value the role of computation and estimation in their work. Scientists use a variety of tools to inform their observations. Scientists organize information using tables, graphs, diagrams and symbols. Scientists question claims based on vague attributions and are skeptical of arguments based on small data samples. Scientists embrace unexpected results. The earth’s present day species developed from earlier distinctive different species through gradual processes over many generations. Extinction of species is common; most of the species that have lived on earth no longer exist. conditions are similar to those that have occurred in the past. Earth’s history has been punctuated by occasional catastrophic events. Convection plays a role In hurricanes, tornadoes, thunderstorms, earthquakes and volcanoes.