Wisconsin Science Performance Standard — Grade 2

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When conducting science investigations, ask and answer questions that will help decide the general areas of science being addressed


When faced with a science-related problem, decide what evidence, models, or explanations previously studied can be used to better understand what is happening now


When investigating a science-related problem, decide what data can be collected to determine the most useful explanations


When investigating a science-related problem, decide what data can be collected to determine the most useful explanations


When studying a science-related problem, decide what changes over time are occurring or have occurred


Use encyclopedias, source books, texts, computers, teachers, parents, other adults, journals, popular press, and various other sources, to help answer science-related questions and plan investigations


Acquire information about people who have contributed to the development of major ideas in the sciences and learn about the cultures in which these people lived and worked


Show* how the major developments of scientific knowledge in the earth and space, life and environmental, and physical sciences have changed over time


Use the vocabulary of the unifying themes to ask questions about objects, organisms, and events being studied


Use the science content being learned to ask questions, plan investigations, make observations, make predictions, and offer explanations


Select multiple sources of information to help answer questions selected for classroom investigations


Use simple science equipment safely and effectively, including rulers, balances, graduated cylinders, hand lenses, thermometers, and computers, to collect data relevant to questions and investigations


Use data they have collected to develop explanations and answer questions generated by investigations


Communicate the results of their investigations in ways their audiences will understand by using charts, graphs, drawings, written descriptions, and various other means, to display their answers


Support their conclusions with logical arguments


Ask additional questions that might help focus or further an investigation


Understand that objects are made of more than one substance, by observing, describing and measuring the properties of earth materials, including properties of size, weight, shape, color, temperature, and the ability to react with other substances


Group and/or classify objects and substances based on the properties of earth materials


Understand that substances can exist in different states-solid, liquid, gas


Observe and describe changes in form, temperature, color, speed, and direction of objects and construct explanations for the changes


Construct simple models of what is happening to materials and substances undergoing change, using simple instruments or tools to aid observations and collect data


Observe and describe physical events in objects at rest or in motion


Observe and describe physical events involving objects and develop record-keeping systems to follow these events by measuring and describing changes in their properties, including: position relative to another object motion over time and position due to forces


Ask questions and make observations to discover the differences between substances that can be touched (matter) and substances that cannot be touched (forms of energy, light, heat, electricity, sound, and magnetism)


Investigate that earth materials are composed of rocks and soils and correctly use the vocabulary for rocks, minerals, and soils during these investigations


Show that earth materials have different physical and chemical properties, including the properties of soils found in Wisconsin


Develop descriptions of the land and water masses of the earth and of Wisconsin's rocks and minerals, using the common vocabulary of earth and space science


Identify celestial objects (stars, sun, moon, planets) in the sky, noting changes in patterns of those objects over time


Describe the weather commonly found in Wisconsin in terms of clouds, temperature, humidity, and forms of precipitation, and the changes that occur over time, including seasonal changes


Using the science themes, find patterns and cycles in the earth's daily, yearly, and long-term changes


Using the science themes, describe resources used in the home, community, and nation as a whole


Illustrate human resources use in mining, forestry, farming, and manufacturing in Wisconsin and elsewhere in the world


Discover* how each organism meets its basic needs for water, nutrients, protection, and energy* in order to survive


Investigate* how organisms, especially plants, respond to both internal cues (the need for water) and external cues (changes in the environment)


Illustrate* the different ways that organisms grow through life stages and survive to produce new members of their type


Using the science themes*, develop explanations* for the connections among living and non-living things in various environments


Identify* the technology used by someone employed in a job or position in Wisconsin and explain* how the technology helps


Discover* what changes in technology have occurred in a career chosen by a parent, grandparent, or an adult friend over a long period of time


Determine what science discoveries have led to changes in technologies that are being used in the workplace by someone employed locally


Identify* the combinations of simple machines in a device used in the home, the workplace, or elsewhere in the community, to make or repair things, or to move goods or people


Ask questions to find answers about how devices and machines were invented and produced


Describe* how science and technology have helped, and in some cases hindered, progress in providing better food, more rapid information, quicker and safer transportation, and more effective health care


Using the science themes*, identify* local and state issues that are helped by science and technology and explain* how science and technology can also cause a problem


Show* how science has contributed to meeting personal needs, including hygiene, nutrition, exercise, safety, and health care


Develop* a list of issues that citizens must make decisions about and describe* a strategy for becoming informed about the science behind these issues