1. Answer on page 33 or 34

2. A student measured the dimensions of a large block of granite at a quarry. Using the known density of granite, the student computed the mass of the granite as 14,410,000 grams. What is the mass of the granite written in scientific notation?
A    1.441 ×107grams
B  14.41 ×106 grams
C    1.441 ×108 grams
D     ×108 grams

3. Use the diagram to answer the question.      
What should each measurement be for rulers 1-3?

4. Which diagram best matches Thomson’s model of the atom?

5. The flowchart shows the physical methods some scientists used to separate a particular mixture. Which substances were most likely contained in the original sample?
A  iron, sawdust, and sodium chloride
B  copper, sawdust, and sodium chloride
C  iron, sawdust, and sand
D  iron, chalk dust, and sodium chloride

6. The speed of automobiles is commonly measured in kilometers per hour (km/h), while experimental speeds in the lab are most often measured in meters per second (m/s). Which calculation setup would correctly convert 50 kilometers per hour to meters per second?
A  
B  
C  
D  

7. Use the diagram to answer the question
Use the diagram to answer the question. Which mixture could be separated using the apparatus shown in the diagram?
A  ethyl alcohol and water
B  carbon dioxide and water
C  sodium chloride and water
D  powdered quartz and water