Bellwork 10/13/14 1. The most basic unit of matter in the composition of a dog is...? A. a molecule. B. a tissue. C. an atom. D. a compound.

Bellwork answer 1. The most basic unit of matter in the composition of a dog is...? 1. The most basic unit of matter in the composition of a dog is...? A. a molecule. B. a tissue. A. a molecule. B. a tissue. C. an atom. D. a compound. C. an atom. D. a compound.

Objectives SPI – Do I recognize that all matter consists of atoms? SPI – Do I recognize that all matter consists of atoms? SPI What is the common outcome of all chemical changes? SPI What is the common outcome of all chemical changes? SPI – How can I discover if a chemical or physical change has occurred? SPI – How can I discover if a chemical or physical change has occurred? SNB – 2 nd 9 weeks word wall - Write the following words and definitions in the back of your Scientific Notebook. SNB – 2 nd 9 weeks word wall - Write the following words and definitions in the back of your Scientific Notebook.

2 nd 9 Weeks Word Wall 1. Weight - measure of the gravitational force exerted on an object 1. Weight - measure of the gravitational force exerted on an object 2. Matter - anything that has mass and takes up space 2. Matter - anything that has mass and takes up space 3. Inertia - tendency of an object to resist change 3. Inertia - tendency of an object to resist change 4. Density - the amount of matter in a given space or volume 4. Density - the amount of matter in a given space or volume 5. Composition - the type of matter that makes up the object and the way the matter is arranged 5. Composition - the type of matter that makes up the object and the way the matter is arranged

Word Wall Glue the 2 nd 9 Weeks Word Wall Words in the back of your SNB. Glue the 2 nd 9 Weeks Word Wall Words in the back of your SNB. We will work on 5 each week. We will work on 5 each week. We will have a quiz over the 5 words at the end of each week. We will have a quiz over the 5 words at the end of each week.

Chapter 7 Directed Reading Read Section 1 then answer the following questions on a piece of paper to be turned in. For each description, write whether it applies to mass or to weight. For each description, write whether it applies to mass or to weight. ________________1. is a measure of the amount of matter in the object ________________1. is a measure of the amount of matter in the object ________________2. is always constant no matter where the object is located ________________2. is always constant no matter where the object is located ________________3. is a measure of the gravitational force on an object ________________3. is a measure of the gravitational force on an object ________________4. is measured using a spring scale ________________4. is measured using a spring scale ________________5. is expressed in grams (g), kilograms (kg), or milligrams (mg) ________________5. is expressed in grams (g), kilograms (kg), or milligrams (mg) ________________6. is expressed in Newtons (N) ________________6. is expressed in Newtons (N) ________________7. is less on the moon than on Earth ________________7. is less on the moon than on Earth

Chapter 7 Directed Reading For each description, write whether it applies to mass or to weight. For each description, write whether it applies to mass or to weight. ___Mass_________1. is a measure of the amount of matter in the object ___Mass_________1. is a measure of the amount of matter in the object ___Mass_________2. is always constant no matter where the object is located ___Mass_________2. is always constant no matter where the object is located ___Weight_______3. is a measure of the gravitational force on an object ___Weight_______3. is a measure of the gravitational force on an object ___Weight_______4. is measured using a spring scale ___Weight_______4. is measured using a spring scale ___Mass_________5. is expressed in grams (g), kilograms (kg), or milligrams (mg) ___Mass_________5. is expressed in grams (g), kilograms (kg), or milligrams (mg) ___Weight_______6. is expressed in Newtons (N) ___Weight_______6. is expressed in Newtons (N) ___Weight_______7. is less on the moon than on Earth ___Weight_______7. is less on the moon than on Earth

Read Section 2 then answer the following questions. Match the correct example with the correct physical property. ____8. Aluminum can be flattened into sheets of foil. ____9. An ice cube floats in a glass of water. ____10. Copper can be pulled into thin wires. ____11. Plastic foam protects you from hot liquid. ____12. Flavored drink mix dissolves in water. ____13. An onion gives off a very distinctive smell. ____14. A golf ball has more mass than a table tennis ball. A. StateE. odor B. SolubilityF. ductility C. thermal conductivity G. density D. Malleability

Match the correct example with the correct physical property. _D__8. Aluminum can be flattened into sheets of foil. _A__9. An ice cube floats in a glass of water. _F__10. Copper can be pulled into thin wires. _C__11. Plastic foam protects you from hot liquid. _B__12. Flavored drink mix dissolves in water. _E__13. An onion gives off a very distinctive smell. _G__14. A golf ball has more mass than a table tennis ball. A. StateE. odor B. SolubilityF. ductility C. thermal conductivity G. density D. Malleability

15. What is the equation for density? 16. If you pour different liquids into a graduated cylinder, the liquids will form layers based upon differences in the ______________________ of each liquid.

15. What is the equation for density? D=M/V 16. If you pour different liquids into a graduated cylinder, the liquids will form layers based upon differences in the __density_________ of each liquid.

Read section 3. Identify whether the following changes are physical changes or chemical changes. Label each change either PC for physical change or CC for chemical change. _____17. sanding a piece of wood _____18. baking bread _____19. crushing an aluminum can _____20. melting an ice cube _____21. dissolving sugar in water _____22. molding a piece of silver _____23. mixing vinegar and baking soda

Read section 3. Identify whether the following changes are physical changes or chemical changes. Label each change either PC for physical change or CC for chemical change. _____24. grinding baking soda into a powder _____25. souring milk _____26. melting an ice cream bar _____27. burning a wooden match _____28. shooting off fireworks _____29. mixing drink mix _____30. bending an iron nail

Read section 3. Identify whether the following changes are physical changes or chemical changes. Label each change either PC for physical change or CC for chemical change. _PC__17. sanding a piece of wood _CC__18. baking bread _PC__19. crushing an aluminum can _PC__20. melting an ice cube _PC__21. dissolving sugar in water _PC__22. molding a piece of silver _CC__23. mixing vinegar and baking soda

Label each change either PC for physical change or CC for chemical change _PC__24. grinding baking soda into a powder _CC__25. souring milk _PC__26. melting an ice cream bar _CC__27. burning a wooden match _CC__28. shooting off fireworks _PC__29. mixing drink mix _PC__30. bending an iron nail

Exit Ticket What is the mass of a car that weighs 13,620 N? What is the mass of a car that weighs 13,620 N?