1. What is the relationship in the metric system; between millimeter, and centimeter and the gram?
2. State Archimedes Principle.
3. List all the qualitative physical properties of aluminum.
4. List one quantitative physical property of aluminum.
5. Which substances that are listed are not elements? Chalk, lead, brass, copper, steel.
6. Can density be used to help to identify an element? Explain.
7. For every 1 milliliter of water that an object displaces, the object will weigh ______ gram(s) less.
8. What formula would you use to find the mass of an object, if the density and volume were known?
9. Write the formula for finding the volume of a cube. _______________
10. What formula would you use to find the volume of an object if the density and mass were known.
11. A lead cube has an edge of 3 cm long; What is the mass of the cube?
12. A copper object weighs 95 g. Find out how much space it takes up. ( volume )
13. How much would the copper object ( in problem # 12 ) weigh in water?
14. An iron object weighs 123 grams. What is the volume of the iron object?
15. A lead object has a volume of 76 cm3. Find its mass.
16. An unknown object has a mass of 330 g, and a volume of 15 cm3. Find its density.
17. What would happen to the density of a platinum if we added copper to it? Explain your answer.
18. If you had two gold objects of the same mass ( weight ), one pure and the other impure. How would this affect their volume? Explain. What would happen to the density of the impure gold?
Density table for elements:
Lead - 11.3 g/cm3 ; Silver - 10.5 g/cm3 ; Gold - 19.3 g/cm 3
Platinum - 21.4 g/cm3 ; copper - 8.92 g/cm3 ; Iron - 7.86 g/cm3 ; Aluminum - 2.7 g/cm3
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