When possible, they should use measurements and include constraints and other criteria in their evaluation. Students should modify the design based on the results of the evaluation. Communicate a problem, design, and solution. Student abilities should include oral, written, and pictorial communication of both the design process and product. The communication may take the form of show and tell, group discussions, short written reports, or pictures depending on the students' abilities and the design project.
Tools help scientists make better observations, measurements, and equipment for investigations.
They help scientists see, measure, and do things that they could not otherwise see, measure and do. Trying to determine the effects of solution helps people avoid some new problems. NSES Content Topic Science and technology in local challenges People continue inventing new ways of doing things, solving problems, and getting work done. These new ideas and inventions often affect other people, sometimes the effects are good and sometimes they are bad. It is helpful to try and figure out ahead of time how ideas and inventions will affect other people.