Scientific investigations may take many different forms, including observing what things are like or what is happening somewhere, collecting specimens for analysis, and doing experiments.
Learning Goal 3a
Scientists' explanations about what happens in the world come partly from what they observe, partly from what they think.
Learning Goal 4
Scientists do not pay much attention to claims about how something they know about works unless the claims are backed up with evidence that can be confirmed, along with a logical argument.
The Scientific Enterprise
For Grades: 3-5
Learning Goal 2
Clear communication is an essential part of doing science. It enables scientists to inform others about their work, expose their ideas to criticism by other scientists, and stay informed about scientific discoveries around the world.