1. Riddles 1.What belongs to you but others use it more than you do? 2.I am the beginning of sorrow, and the end of sickness. You cannot express happiness without me, yet I am in the midst of crosses. I am always in risk, yet never in danger. You may find me in the sun, but I am never out of darkness. 3. Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

2. Scientific Method O H T A C OBSERVATION HYPOTHESIS TEST ANALYZE DATA CONCLUSION

3. “Ordinary People Doing Extraordinary Things”

4. What are you Goals? The 7 Habits of Highly Effective Teens Habit 1: Be Proactive: Principles of Personal Choice positive friends/activities Habit 2: Begin with the End in Mind: Principles of Personal Vision Goals Habit 3: Put First Things First: Principles of Integrity & Execution Habit 4: Think Win/Win: Principles of Mutual Benefit (help / be helped) Habit 5: Seek First to Understand, Then to be Understood: Habit 6: Principles of Creative Cooperation & Continual Improvement Habit 7: Sharpen the Saw: Principles of Balanced Self-Renewal (adapt)

5. Life is like a box of chocolates……

6. Riddles 1. You answer me, although I never ask you questions. What am I? 2. What's the greatest worldwide use of cowhide? 3. What goes around the world and stays in a corner?

7. Scientific Measurement Measuring Base Unit Instrument Volume : Liters : Graduated Cylinder Mass: Grams: Triple Beam Balance Length: Meters: Ruler Distance: Light Year: Parallax

8. Density Definition: How compact something is

9. Density

11. What changes Density?

12. Determining Density D = M = V =

13. Practice Determine density for the following. 1. Mass = 5 grams Volume = 5 ml 2. Mass = 10 grams Volume = 5 ml Which will float?

14. Density Practice Determine the mass of the following 1. Density = 1 g/ml volume = 3 ml 2. Density =.9 g/ml Volume = 2 ml Which one could be water? What does adding salt to water do?

15. Practice Determine the volume for the following 1. Mass = 6 grams Density = 2 grams/ml 2. Mass = 12 grams Density = 4 grams/ml Which one is more compact? Is muscle or fat more dense?

16. Who Likes Doritos?

17. OHTAC Review What is the name of the theory of how the dinosaurs became extinct? ___________________________ What is the theory of how the solar system began? ________________________ What is 90 o divided by 3? _________ (no calculator) What step in the scientific method is also called an educated guess? _______________ What step in the scientific method uses a table to collect data? _____________ What step in the scientific method uses a graph to present results? _____________ If you are testing the effects of fertilizer on plant growth, what is your independent variable? ___________________ What is your dependent variable? (what are you testing?) _______________