IPS Exam Study Guide

Scientific Method Notes

1. Identify problem

2. Gather information

3. Form Hypothesis

4. Perform lab

5. Analyze data

6. Conclusion

Chapter 1 Vocabulary

  1. Observation-information obtained by the senses-often by direct measurement.
  2. Inference-a conclusion based upon known observations
  3. Hypothesis-a proposed solution to a scientific problem
  4. Experimental Group-the group receiving the variable being tested
  5. Control Factors-the variables that are help constant. they are the same for both the control group and the experimental group.
  6. Indicator-a substance used to show the presence of another substance.
  7. Volume-the amount of space something occupies. True of solids, liquids, and gases.
  8. Volume Displacement Technique-quick and easy way to determine the volume of a solid or gas
  9. Mass-the amount of matter in a substance (True of solids, liquids, and gases)
  10. Meniscus-the curved portion of a liquid when in a container. Must read the bottom of the meniscus at eye level for proper measurement
  11. Control Group-the group that is the standard fore comparision in any experiment

1.1 Heating Baking Soda

Control Group- unheated baking soda and tea

Experimental Group- heated baking soda and tea

Indicator- Tea

Control Factors- amount of baking soda; amount of tea; same type of tea; amount of stirring time

Baking Soda- Sodium Bicarbonate, releases Carbon Dioxide

1.2 Volume Notes

Unit of measurement- cm 3 (cubic centimeters)

Standard unit of length- m (meter)

Volume of liquids- use a graduated cylinder to measure volume. mL (milliliters) or cm 3 (cubic centimeters)

1 mL- 1 cm 3