Standards with the same topic and subject but for other grades
Conduct an investigation to determine whether the mixing of two or more substances results in new substances.
Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.
When a new material (compound) is made by chemically combining two or more materials, it has properties that are different from the original materials. For that reason, many different materials can be made from a small number of basic materials.
Plan and carry out fair tests in which variables are controlled and failure points are considered to identify aspects of a model or prototype that can be improved.
Define a simple design problem reflecting a need or a want that includes specified criteria for success and constraints on materials, time, or cost.
Define a simple design problem that can be solved by applying scientific ideas about magnets.
Students’ explanations should reflect the evidence they have obtained in their investigations.
Students recognize that different questions lead to different types of investigations.
Students should judge the merits or strengths of the data and information used to make explanations.