Introduction to scince

• Zoologist


  Studies animals
• Paleontologist


  Studies fossils
• Astronomer


  Studies space
• Geologist


  Studies rocks
• Types of scientists


  • Zoologist
  • Paleontologist
  • Astronomer
  • Geologist
• Always wear safety glasses and a lab coat/apron during an experiment, and tie long hair back
• No running or eating in the lab
• Inform a teacher of any spills, injuries or broken equipment
• Wash your hands at the end of an experiment
• Make sure equipment gets put away at the end of an experiment
• Dispose of wastes appropriately and wipe down benches at the end of an experiment
• Independent variable


  What I change
• Dependent variable


  What I observe or measure
• Controlled variables


  What I keep the same
• Fair testing involves controlling variables
• Measuring quantities involves using appropriate units
• Parallax error can occur when measuring quantities
• Parts of the Bunsen burner

  1. Place Bunsen burner on heatproof mat

  2. Connect rubber hosing to gas tap

  3. Close air holes

  4. Light match and hold near barrel

  5. Turn on gas and light Bunsen burner

  6. Open air holes

  7. Close air holes and turn off gas
• Safety flame


  • Yellow flame, air holes closed, Bunsen burner not in use
• Heating flame


  • Blue flame, air holes open, Bunsen burner in use
• RESULTS - DATA IN A TABLE
• COLUMN GRAPH: DISCRETE DATA
• OBSERVATIONS AND INFERENCES
• Observation: Qualitative Observation
• Observation: Quantitative Observation
• SCATTER GRAPH : CONTINUOUS DATA - LINE OF BEST FIT