1. Beverage Lab

2. Orange Juice
Could you see bits of different materials with different properties?
Were these bits solid, liquid, or gas?
What are these little solid bits called?
Where does pulp come from?
Did you decide the OJ was homogeneous or heterogeneous?

3. Orange Juice

4. Soda Pop What did you see in the soda pop?
Were these different bits solid, liquid, or gas?
What kind of gas was it?
Did you decide the pop was homogeneous or heterogeneous?

5. Soda Pop

6. Bubbles in Soda Pop
Can you see any bubbles in an unopened bottle of pop?
When you open it, where does all the fizz come from?
Where was all the carbon dioxide before you opened the bottle?

7. Homogenized Milk
With your naked eye, did the milk look homogeneous or heterogeneous?
What did you see under the microscope?
Were the different bits solid, liquid, or gas?
What were these different bits?

8. Homogenized Milk

9. Blobs in Homogenized Milk

10. Shaking breaks the membrane

11. Homogenization
After raw milk is pasteurized, it is forced through tiny tubes at high velocity and pressure to homogenize it. This breaks the fat blobs into smaller blobs that cannot cluster together and rise to the top.

12. Raw versus Homogenized Milk

13. … like Oil and Water.

14. Skim versus Homogenized Milk

15. What if we shook a coffee creamer? Could we make butter?
Hmmm…Shaking separates fat from milk …
What if we shook a coffee creamer? Could we make butter?

16. Don’t Forget Title Pages Homework Mixtures and Pure Substances Summary
Homogeneous versus Heterogeneous
Due TOMORROW

17. Write a Summary What is homogeneous? Give one example.
Must be done on loose leaf.
Must be well written.
What is homogeneous?
Give one example.
Why is this homogeneous?
What is heterogeneous?
Give two examples.
Explain why each one is heterogeneous.

18. Studycast