Scientific Investigation

4. The variable that changes because of what you changed — it's what you measure.
6. A table used to organize and show data.
10. A careful study or experiment to learn more about something.
13. ________ Method: A step-by-step process scientists use to solve problems or answer questions.
17. The variable that you change on purpose in an experiment.
18. _______ Key: A tool that helps identify and sort items based on their characteristics.
19. A conclusion or explanation based on observations and prior knowledge.

1. A way to describe something using numbers (like length, volume, mass, etc.).
2. A statement about what you think will happen before testing.
3. A system of measurement used in science (centimeters, meters, grams, liters, etc.).
5. How close a measurement is to the true or accepted value.
7. A testable prediction or educated guess about what will happen in an experiment.
8. Something that can change in an experiment.
9. All the things you keep the same in an experiment to make it fair.
11. Facts or information used to support a conclusion or answer.
12. One complete test of an experiment. Most experiments use multiple trials.
14. A visual way to show data, like a bar graph or line graph.
15. Information and measurements collected during an experiment.
16. Something you find out using your senses (seeing, hearing, touching, etc.).
18. A decision or explanation based on what was learned from an investigation.