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Ohio Standards for Third Grade Science

OH.1. Earth and Space Sciences: Students demonstrate an understanding about how Earth systems and processes interact in the geosphere resulting in the habitability of Earth. This includes demonstrating an understanding of the composition of the universe, the solar system and Earth. In addition, it includes understanding the properties and the interconnected nature of Earth's systems, processes that shape Earth and Earth's history. Students also demonstrate an understanding of how the concepts and principles of energy, matter, motion and forces explain Earth systems, the solar system and the universe. Finally, they grasp an understanding of the historical perspectives, scientific approaches and emerging scientific issues associated with Earth and space sciences.

1.1. Grade Level Indicator: Earth Systems: Compare distinct properties of rocks (e.g., color, layering and texture).

1.2. Grade Level Indicator: Earth Systems: Observe and investigate that rocks are often found in layers.

1.3. Grade Level Indicator: Earth Systems: Describe that smaller rocks come from the breakdown of larger rocks through the actions of plants and weather.

1.4. Grade Level Indicator: Earth Systems: Observe and describe the composition of soil (e.g., small pieces of rock and decomposed pieces of plants and animals, and products of plants and animals).

1.5. Grade Level Indicator: Earth Systems: Investigate the properties of soil (e.g., color, texture, capacity to retain water, ability to support plant growth).

1.A. Explain the characteristics, cycles and patterns involving Earth and its place in the solar system.

1.B. Summarize the processes that shape Earth's surface and describe evidence of those processes.

1.C. Describe Earth's resources including rocks, soil, water, air, animals and plants and the ways in which they can be conserved.

1.D. Analyze weather and changes that occur over a period of time.

OH.2. Life Sciences: Students demonstrate an understanding of how living systems function and how they interact with the physical environment. This includes an understanding of the cycling of matter and flow of energy in living systems. An understanding of the characteristics, structure and function of cells, organisms and living systems will be developed. Students will also develop a deeper understanding of the principles of heredity, biological evolution, and the diversity and interdependence of life. Students demonstrate an understanding of different historical perspectives, scientific approaches and emerging scientific issues associated with the life sciences.

2.1. Grade Level Indicator: Heredity: Compare the life cycles of different animals including birth to adulthood, reproduction and death (e.g., egg-tadpole-frog, egg-caterpillar-chrysalis-butterfly).

2.2. Grade Level Indicator: Diversity and Interdependence of Life: Relate animal structures to their specific survival functions (e.g., obtaining food, escaping or hiding from enemies).

2.3. Grade Level Indicator: Diversity and Interdependence of Life: Classify animals according to their characteristics (e.g., body coverings and body structure).

2.5. Grade Level Indicator: Diversity and Interdependence of Life: Observe and explore how fossils provide evidence about animals that lived long ago and the nature of the environment at that time.

2.6. Grade Level Indicator: Diversity and Interdependence of Life: Describe how changes in an organism's habitat are sometimes beneficial and sometimes harmful.

2.A. Differentiate between the life cycles of different plants and animals.

2.B. Analyze plant and animal structures and functions needed for survival and describe the flow of energy through a system that all organisms use to survive.

2.C. Compare changes in an organism's ecosystem/ habitat that affect its survival.

OH.3. Physical Sciences: Students demonstrate an understanding of the composition of physical systems and the concepts and principles that describe and predict physical interactions and events in the natural world. This includes demonstrating an understanding of the structure and properties of matter, the properties of materials and objects, chemical reactions and the conservation of matter. In addition, it includes understanding the nature, transfer and conservation of energy; motion and the forces affecting motion; and the nature of waves and interactions of matter and energy. Students demonstrate an understanding of the historical perspectives, scientific approaches and emerging scientific issues associated with the physical sciences.

3.3. Grade Level Indicator: Forces and Motion: Identify contact/noncontact forces that affect motion of an object (e.g., gravity, magnetism and collision).

3.4. Grade Level Indicator: Forces and Motion: Predict the changes when an object experiences a force (e.g., a push or pull, weight and friction).

3.A. Compare the characteristics of simple physical and chemical changes.

3.B. Identify and describe the physical properties of matter in its various states.

3.C. Describe the forces that directly affect objects and their motion.

3.E. Trace how electrical energy flows through a simple electrical circuit and describe how the electrical energy can produce thermal energy, light, sound and magnetic forces.

3.F. Describe the properties of light and sound energy.

OH.4. Science and Technology: Students recognize that science and technology are interconnected and that using technology involves assessment of the benefits, risks and costs. Students should build scientific and technological knowledge, as well as the skill required to design and construct devices. In addition, they should develop the processes to solve problems and understand that problems may be solved in several ways.

4.1. Grade Level Indicator: Understanding Technology: Describe how technology can extend human abilities (e.g., to move things and to extend senses).

OH.5. Scientific Inquiry: Students develop scientific habits of mind as they use the processes of scientific inquiry to ask valid questions and to gather and analyze information. They understand how to develop hypotheses and make predictions. They are able to reflect on scientific practices as they develop plans of action to create and evaluate a variety of conclusions. Students are also able to demonstrate the ability to communicate their findings to others.

5.1. Grade Level Indicator: Doing Scientific Inquiry: Select the appropriate tools and use relevant safety procedures to measure and record length and weight in metric and English units.

5.2. Grade Level Indicator: Doing Scientific Inquiry: Discuss observations and measurements made by other people.

5.3. Grade Level Indicator: Doing Scientific Inquiry: Read and interpret simple tables and graphs produced by self/others.

5.4. Grade Level Indicator: Doing Scientific Inquiry: Identify and apply science safety procedures.

5.5. Grade Level Indicator: Doing Scientific Inquiry: Record and organize observations (e.g., journals, charts and tables).

5.6. Grade Level Indicator: Doing Scientific Inquiry: Communicate scientific findings to others through a variety of methods (e.g., pictures, written, oral and recorded observations).

5.A. Use appropriate instruments safely to observe, measure and collect data when conducting a scientific investigation.

5.B. Organize and evaluate observations, measurements and other data to formulate inferences and conclusions.

5.C. Develop, design and safely conduct scientific investigations and communicate the results.

OH.6. Scientific Ways of Knowing: Students realize that the current body of scientific knowledge must be based on evidence, be predictive, logical, subject to modification and limited to the natural world. This includes demonstrating an understanding that scientific knowledge grows and advances as new evidence is discovered to support or modify existing theories, as well as to encourage the development of new theories. Students are able to reflect on ethical scientific practices and demonstrate an understanding of how the current body of scientific knowledge reflects the historical and cultural contributions of women and men who provide us with a more reliable and comprehensive understanding of the natural world.

6.1. Grade Level Indicator: Nature of Science: Describe different kinds of investigations that scientists use depending on the questions they are trying to answer.

6.4. Grade Level Indicator: Science and Society: Identify various careers in science.

6.5. Grade Level Indicator: Science and Society: Discuss how both men and women find science rewarding as a career and in their everyday lives.

6.A. Distinguish between fact and opinion and explain how ideas and conclusions change as new knowledge is gained.

6.B. Describe different types of investigations and use results and data from investigations to provide the evidence to support explanations and conclusions.