Bellwork Bellwork 10/13/1410/13/14

1. The 1. The most most basic unit of matter in basic unit of matter in the composition of a dog is...?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.

Bellwork answerBellwork answer

1. The 1. The most most basic unit of matter basic unit of matter in the composition of a dog is...?in the composition of a dog is...?

A. a molecule. B. a tissue.A. a molecule. B. a tissue. C. an atom. C. an atom. D. a compound.D. a compound.

ObjectivesObjectives SPI 0807.9.1 – Do I recognize that all SPI 0807.9.1 – Do I recognize that all

matter consists of atoms?matter consists of atoms? SPI 0807.9.2 - What is the common SPI 0807.9.2 - What is the common

outcome of all chemical changes?outcome of all chemical changes? SPI 0807.9.6 – How can I discover if a SPI 0807.9.6 – How can I discover if a

chemical or physical change has chemical or physical change has occurred?occurred?

SNB – 2SNB – 2ndnd 9 weeks word wall - Write the 9 weeks word wall - Write the following words and definitions in the following words and definitions in the back of your Scientific Notebook.back of your Scientific Notebook.

22ndnd 9 Weeks Word Wall 9 Weeks Word Wall 1. 1. Weight Weight - measure of the gravitational - measure of the gravitational

force exerted on an objectforce exerted on an object 2. 2. Matter Matter - anything that has mass and - anything that has mass and

takes up spacetakes up space 3. 3. Inertia Inertia - tendency of an object to resist - tendency of an object to resist

changechange 4. 4. Density Density - the amount of matter in a - the amount of matter in a

given space or volumegiven space or volume 5. 5. Composition Composition - the type of matter that - the type of matter that

makes up the object and the way the makes up the object and the way the matter is arranged matter is arranged

Word WallWord Wall

Glue the 2Glue the 2ndnd 9 Weeks Word Wall 9 Weeks Word Wall Words in the back of your SNB.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 We will have a quiz over the 5 words

at the end of each week.at the end of each week.

Chapter 7 Directed ReadingChapter 7 Directed ReadingRead Section 1 then answer the following Read Section 1 then answer the following

questions on a piece of paper to be turned in.questions on a piece of paper to be turned in. For each description, write whether it applies to For each description, write whether it applies to

massmass or to or to weightweight.. ________________1. is a measure of the amount of ________________1. is a measure of the amount of

matter in the object matter in the object ________________2. is always constant no matter where ________________2. is always constant no matter where

the object is locatedthe object is located ________________3. is a measure of the gravitational ________________3. is a measure of the gravitational

force on an objectforce on an object ________________4. is measured using a spring scale________________4. is measured using a spring scale ________________5. is expressed in grams (g), ________________5. is expressed in grams (g),

kilograms (kg), or milligrams (mg)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 ReadingChapter 7 Directed Reading For each description, write whether it For each description, write whether it

applies to mass or to weight.applies to mass or to weight. ______MassMass_________1. is a measure of the amount _________1. is a measure of the amount

of matter in the object of matter in the object ______MassMass_________2. is always constant no _________2. is always constant no

matter where the object is locatedmatter where the object is located ______WeightWeight_______3. is a measure of the _______3. is a measure of the

gravitational force on an objectgravitational force on an object ______WeightWeight_______4. is measured using a spring _______4. is measured using a spring

scalescale ______MassMass_________5. is expressed in grams (g), _________5. is expressed in grams (g),

kilograms (kg), or milligrams (mg)kilograms (kg), or milligrams (mg) ______WeightWeight_______6. is expressed in Newtons (N)_______6. is expressed in Newtons (N) ______WeightWeight_______7. is less on the moon than on _______7. is less on the moon than on

EarthEarth

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. State E. odor B. Solubility F. 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. State E. odor B. Solubility F. 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 TicketExit Ticket

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