Title: Best 7th Grade Science Flashcards | Quizlet
Headings: 7th Grade Science
7th Grade Science
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Organisms and the Environment Science unit:
Changes in Ecosystems SCIENCE UNIT THING:

Content: Which best describes this type of investigation? descriptive, because the scientists are writing down observations but not making comparisons
In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the ___________ variable. independent
Which types of questions can most likely be answered through a scientific investigation? objective questions
Tyler wants to learn about the types of insects in the soil near his house. Which would be a benefit of carrying out a descriptive investigation? He could collect a large amount of data for a low cost. Scientists are investigating how well different microphones capture and record sounds. They use tools that show how loud the high and low sounds are and a tool that shows how much noise is recorded along with the actual sounds. Which microphone captures a singer's low sounds the loudest? Which is the best description of a scientific theory?