10/181. What is the formula for slope on a graph?2. What are the key elements that all graphs should have?3. How do you measure the volume of an irregular object?4. What is that method called?5. When doing this method what mistakes could you make?6. What is a physical property? Give ex.7. What is matter?8. What is volume?9. Name the equipment below.

10/19

1. Could a rod have been taller then another, yet have a smaller volume? Explain.

2. Explain what happens to the volume as the mass increase from 50 to 100 g.

3. What is the formula for slope?4. What is the slope of this line?5. Explain what unit the slope should have for

this graph. 6. Try choosing two different points on the

graph. Does the slope change?

10/211. What is volume? Mass? 2. What are the units for the above?3. What is the formula for slope?4. What is the slope of this line?5. Explain what unit the slope should have for this graph.6. Do you think all of the rods were the same material?

why?7. What happened to the mass as the volume increased?

Does this help you answer question number 4?

Volume (mL)

Mas

s (g

)

10/24

1. On your graph, approximately what should your slope have been?

2. What are the units for the slope?3. What does your slope represent?4. Define the answer for number 3.5. Based on your slope and the information below,

what do you think the rods were made of? Explain.

aluminium foil 2.700 -2.750

beryllium 1.840

brass - casting 8.400 – 8.700

10/251. What is water displacement?2. What are two more methods used to measure

volume. What type of object can they be used for?3. Where may you have noticed water displacement

in your everyday life?

4. What is density?

5. Can two objects be the same size but have a different density?

6. Do different materials have different densities?

7. Why do I allow you to be off by a tenth or two when reading the fifty mL graduated cylinder?

8. Pull out your lab reports. Review the questions, are there any that you are not sure of? If so ask NOW!!!

10/261. How can you compare the densities of liquids without calculations?2. What is the difference between the mass and volume of an object?3. What is density?4. If you have 30.76 mL how many cubic centimeter are there?5. A rectangular substance has a length of 4.0 cm, a width of 2.0 cm and a

height of 3.0 cm. It has a mass of 10.5 g. What is the density?6. What would be the density if the volume of the substance was 3 ml?7. A block of aluminum occupies a volume of 15.0 mL and has a mass of

40.5 g. What is its density?8. Mercury metal is poured into a graduated cylinder that holds exactly

22.5 mL. The mercury used to fill the cylinder has a mass of 306.0 g. From this information, calculate the density of mercury.

9. A rectangular block of copper metal has a mass of 1896.0 g. The dimensions of the block are 8.4 cm by 5.5 cm by 4.6 cm. From this data, what is the density of copper?

10. A flask that has a mass of 345.8 g is filled with 225.0 mL of carbon tetrachloride. The mass of the flask and carbon tetrachloride is found to be 703.55 g. From this information, calculate the density of carbon tetrachloride.

10/271. A rectangular solid of unknown density is 5

cm long, 2 cm high  and 4 cm wide.  The mass of this solid is 300 g,  calculate its density.

2. A rock occupies a volume of 20 cm3 and has a mass of 54 grams. Find the density of this rock.

3.    A rock has a density of 4 g/ml. and a mass of 16 g.  What is the volume this rock occupies?

4   An unknown substance from planet X has a density of 10 g/ml.  It occupies a volume of 80 ml.  What is the mass of this unknown substance?

5.    What would be the density of 5 g of the substance from planet X in problem 4?

6.     A cube made of an unknown material has a height of 2 cm and a mass of 9 g. Calculate the density of this cube given this information

10/281. What is the density of water?2. What is the density of 100g of water?3. What is the density of an object that has a

mass of 250.oo grams and a volume of 50.0 mL?

4. If a substance has a mass of 23.00 grams and a volume of 7904.00 mL, what is its density?

5. What is the difference between mass and volume?

6. Do they affect density? 7. What has a mass of 89 g and a volume of

10 mL?8. What has a volume of 23.2 mL and a mass

of 262.16 g?

10/311. What is the density of a substance that has a mass of 12.5 g and

a volume of 12.5mL? What is the substance?2. Would a substance that has a mass of 20.5 grams and a volume

of 25.0 mL sink or float in the substance from #1? What is that substance?

3. Would a substance with a volume of 56.0 mL and a mass of 632.8 g sink or float? What is that substance?

4. If you cut that substance in half what would the density be? Explain.

5. What is the definition and units for density?6. Did the cubes all have the same volume? Mass? Explain.7. What does that indicate about the density of the cubes?8. Were you able to use the density to identify what each cube was

made out of? Explain. 9. Which material was the most dense?

11/41. What is density? 2. How do you find the density of irregular objects?3. If I had a GC filled with 33.00 mL of water and when I placed a

marble with a mass of 2.50 g into the GC the water level rose to 34.50.mL. What is the density?

4. What is the density of an object with a mass if 141.25 g and a volume of 12.50mL? What is the substance?

5. If I had 130.00g of the above substance what would the density be?

6. If I had a cube that was 1.50 cM on each side and a mass of 30.04g. what is the density? What is the substance?

7. If I had a rectangular object that had a side of 1.20 cm a side of 3.61 cm and a side of 2.12 cm, and it had a mass of 177.25g what is the density? What is the substance?

8. What are the units for Mass, volume, weight and density?

11\7

Finish the “case of the missing crown”

worksheet.

11/8

1. When did the penny switch from one metal to another? How do you know?

2. What was the density of the penny before? What was it made of?

3. What was the density of the penny after? What was it made of?

4. Why do you think your densities are not the exact same as the density of the metals the pennies are made of? What is density?

5. How do you find the density of irregular objects?6. If I had a GC filled with 24.00 mL of water and when I placed

a marble with a mass of 3.2 g into the GC the water level rose to 29.00mL. What is the density?

7. What is the density of an object with a mass if 282.50 g and a volume of 25.oomL? What is the substance?

11/14

1. What is matter?2. What is all matter made up of?3. What are the three states of matter?4. Of the three states of matter, which do you think

tends to have the highest density?5. Which will have the lowest density?6. How would you change a substance from on state

of matter to another?

11/15

1. What are the three states of matter?

2. What state do both volume and shape change?

3. What state does just shape change?

4. Describe the energy level of each.

5. What are the phase changes?

6. What is required or removed to go from one phase to another?

7. What is true about the speed of particles for each state?

8. Do the particles ever stop moving?

Solid liquid gas

Gas

Liquid

Gas- high, liquid- medium, solid- low

Condensation, evaporation, melting, freezing

Heat energy

Solid- vibrate, liquid- slide past each other, gas- fast

No!!!!

11/161. Which state of matter has a high energy level? Low?2. How does this effect the speed of the molecules?

3. How does this effect the volume ?

4. What do you have to do to change a substance from one state to another?

5. What are the gas laws?

6. What property do they both effect?

7. Which states maintain their shape?

8. Volume?

• Gas, Solid

•The higher the energy level the faster the molecules move

•The faster they move the more, they will break bonds of attraction and be able to spread apart, increasing volume

• Increase heat energy

• Charles and boyles

•Volume

•Solid

•Liquid and solid

11/17

1. What are the gas laws?

2. Which one does a hot air balloon deal with?

3. Explain each

4. What are the phase changes?

5. Describe the energy level for each state of matter.

6. Describe the speed of the particles

7. What determines if it is going to freeze or melt?

Boyles and Charles's law

Charles’s lawBoyles- as pressure increase. Volume decreases Charles- as

temperature increases volume increases

Condensation, sublimation, vaporization, melting, freezing

Solid-low, liquid- medium, gas- high

Solid- vibrate in place, liquid- slide past each other, gas- fast and spread apart

Whether heat energy is added or removed.

11/181. What are the gas laws? Explain each2. What is the difference between evaporation and

boiling?3. What phase changes require energy to be added?4. What is the boiling point of water?5. What is the condensation point?6. What determines if it is going to Boil or condense?7. Does everything freeze at O⁰C? 8. What happens to the temperature as something

freezes? 9. What happens to heat energy?10. What are the states (phases of matter)?11. What are the change of state (phase changes of

matter)?

11/281. What are the gas laws? Explain each2. Which one does a hot air balloon deal with?3. What are the phase changes? 4. What is the difference between evaporation and boiling?5. What phase changes require energy to be removed?6. What is the freezing point of water? Melting point?7. What determines if it is going to freeze or melt?8. What phase of matter is ice?9. What happens to the particles in ice if it sits at room

temperature for a long time?10.What type of phase change takes place when ice turns into

liquid?

11/291. What happens to temperature as something boils?

2. What happens to heat energy?3. What are the states (phases of

matter)?4. What are the change of state

(phase changes of matter)?5. Give an example of each6. What is condensation point the

same as?7. What is melting point the same

as?8. What happens to molecule

speed as something condenses? Melts?

9. Where are the phasechanges in the graph andwhat are they?

E

CAE

G

D

B F

11/30

1. What type of curve is this?2. What State of matter is evident at letter A,B,D,F,G?3. What do letters C and E represent?4. What is the melting point of this liquid? Freezing point?5. What is the boiling point of this liquid? Condensation point? 6. How will you know when the substance is completely a liquid?7. What has to be added for the substance to change phase?

12011010090807060504030201001. What are the five phase changes?

2. Which do B represent? D?3. What states are at each letter?4. How do you know when something is completely frozen?5. What determines whether the substance is going to freeze or melt?6. What is the condensation point of this substance?7. What is the difference between evaporation and boiling?

AB C

DE

12/1

12/21. What type of curve is this?2. What state is the substance in at A? B-C? C-D? D-E? E-F?3. If it was water what would the temperature be at B-C? D-E?4. Would the temperatures be different if the substance was

rubbing alcohol? Explain. 5. What phase change is occurring at B-C? D-E?6. What are the two gas laws?7. Explain each.

1. What type of curve is this?2. What State(s)of matter is evident at letter 1,2,3,4,5?3. What do numbers 2 and 4 represent?4. What is the melting point of this substance? Freezing point?5. What is the boiling point of this liquid? Condensation point? 6. How will you know when the substance is completely a gas?7. What has to be added for the substance to change phase.8. What are the gas laws. Explain12-6

12/7

1. What type of graph is this?2. If it is a gas at 90ºC what is happening at 80ºC ?3. What state(s) is it in at 80ºC?4. What state(s) is it in at 70ºC?5. Is the substance water? Explain.6. What do you think the substance is? Why?7. What is the difference between a chemical Change and Physical Change?8. Give an example of a physical property.9. What is an atom?

Define chemical and physical change 12-8With your partner match the cards as either

physical or chemical change. Get it checked by me.

• Physical change: A change that affects one or more physical properties of a substance- Usually can be reversed– Cracking eggs– Slicing bread– Ice melting– Glass breaking– Boiling water– Fresh lemonade– Mowing the lawn

Chemical change: A change that occurs when one or more substances are changed into entirely new substances with different properties Frying eggs Toast Lighting a match Roasting marshmallows Rusty nails Baking a cake Digesting food fireworks

1. What is an element? 2. What is a compound?3. How do they differ?4. Are the following elements, compounds or mixtures?

a. CO2 d. Au g. NaCHO3

b. H e. Hot Cocoa h. HCl

c. Salt water f. whip cream i. Fe5. Chemical or Physical Change

a. Bike rusting b. Reaction of baking soda and vinegarc. Cutting hair d. Dying Hair e. Bending wire

6. What are examples of chemical properties?7. What are examples of physical Properties?

12/9