1. The Human Digestive System What do you already know? Complete the Digestive System Handout to the best of your ability without looking in any text or your notes. You may work in groups. Do not complete the bottom overview.

2. Who do you Agree With?

3. Changes In Digestion Physical Change vs. Chemical Change https://www.youtube.com/watch?v=gCbqjs- pqJo

4. Changes In Digestion Physical Change - a change in the size, shape or state of matter (pressure, motion) Chemical Change – molecules of matter are transformed into a new substance (extreme heat, gas forms, light or heat given off or change in color)

5. Identify as chemical or physical 1.Waves are crashing on a sand beach. 2.Acid rain falls on a rocky mountain 3. Water expands as it freezes in the cracks of rocks. Write the statement and your answer on your page (right)

6. Changes In Digestion Physical Change - a change in the size, shape or state of matter (pressure, motion) Chemical Change – molecules of matter are transformed into a new substance (extreme heat, gas forms, light or heat given off or change in color) Changes to our food

7. The Human Digestive System http://www.teachwithfergy.com/digestive -system-intro-video/ http://www.teachwithfergy.com/digestive -system-intro-video/

8. Sort – Check your answers!

9. When you eat foods such as bread, meat, and vegetables, they are not in a form that the body can use. Food and drink consumed must be broken down into smaller molecules so that they can be absorbed into the body. Why do we need a Digestive System?

10. Pg. 439

11. Exit 1. The teeth grind food into small pieces. This is an example of a _____. A chemical change B physical change C chemical reaction D physical 2. Which type of change occurs when a person chews a piece of meat and the meat mixes with saliva in the mouth? A chemical B physical C both chemical and physical D neither chemical nor physical

12. Left page Changes In Digestion “Warm-up 10-6-15” ?# and entire answer 1. The teeth grind food into small pieces. This is an example of a _____. A. chemical change B. physical change C. chemical reaction D. physical reaction 2. Which type of change occurs when a person chews a piece of meat and the meat mixes with saliva in the mouth? A. chemical change B. physical change C. both chemical and physical changes D. neither chemical nor physical changes

13. Our bodies take larger molecules and break them down through chemical changes during digestion to create smaller molecules that can be absorbed by the body. How it works!

14. CARBOHYDRATE Organic compound chain made of small units called SUGARS ! SUGAR

15. CARBOHYDRATE SUGAR ENERGY DIGESTION

16. Protein Proteins break into amino acids during digestion

17. Lipids Lipid chains (fats) are broken into fatty acids.

18. Where can I find these foods

19. The Human Digestive System BrainPop Digestion! BrainPop Digestion!