Chapter 1

Lab Safety

Scientific Method

1. Identify Problem

2. Gather Info

3. Form Hypothesis/ Theory

4. Perform Experiment

5. Analyze Data

6. Conclusion

Chapter 1 Vocabulary

Observation- information obtained by the senses/ often by direct measurement

Inference- a conclusion based upon known observations

Hypothesis- a proposed solution to a scientific problem

Control Group- the group that is the standard for comparison in any experiment

Experimental Group- the group receiving the variable being tested

Control Factors- the variables that are held constant/ they are the same for both the control group and experimental group

Indicator- a substance used to show the presence of another substannce

Volume- the amount of space something occupies/ true of solids, liquids, and gases

Volume displacement technique- quick and easy way to determine the volume of a solid or gas

Mass- the amount of matter in a substance/ true of solids, liquids, and gases

Meniscus- the curved portion of a liquid when in a container/ must read the bottom of the menisus/ at eye level for proper measurement