1. T. Trimpe 2008 http://sciencespot.net/
What's Wrong?
Lab Safety Challenge #1
T. Trimpe

2. Composition notebooks
Take out your composition notebook
Take out your agenda

3. Image: http://morrisonlabs.com/lab_safety.htm
What’s wrong? Identify 6 different safety concerns shown in the picture below.
Image:

4. The answers are … Don’t fool around during a lab.
Always wear safety goggles when doing an experiment
Always point test tubes and other items away from yourself and others when heating.
Don’t eat or drink while in the lab.
Keep hair and other flammable objects away from flames.
Don’t leave a flame unattended.
Image:

5. Essential Question: What are the steps scientists often use to solve problems?

6. How your notes should be organized
What is science
(Notes go here)

7. What is the scientific method?
What is science?
What is the scientific method?
Process that uses observation and investigation to gain knowledge about events in nature
An organized set of investigation procedures used by scientists

8. Hypothesis Experiment Educated guess or testable prediction
Organized procedure or testing hypothesis

9. Control Constant Standard for comparison
Factor that doesn’t vary in experiment

10. Independent Variable Dependent Variable
Factor whose value depends on the independent variable
(y-axis)
Factor that is adjusted by the experimenter (x-axis)

11. Scientific Law Scientific Theory
Rule of nature that sums up related observations to describe a pattern in nature
EX: Law of Gravity
Organized procedure for testing hypothesis
EX: Black Hole Theory