1. Review, YAY REVIEW!!!!

2. Question 1
What is volume?

3. The amount of space an object takes up.
Answer 1- 1 point
The amount of space an object takes up.

4. The amount of matter that an object consists of is called its….?
Question 2
The amount of matter that an object consists of is called its….?

5. Answer 2- 1 point
Mass

6. What is the basic unit we use for the mass of an object?
Question 3
What is the basic unit we use for the mass of an object?

7. Answer 3- 1 point
Grams or g

8. How tightly packed the molecules are in a substance is called…..?
Question 4
How tightly packed the molecules are in a substance is called…..?

9. Answer 4- 1 point
Density

10. The unit we use for the volume of an object is….?
Question 5
The unit we use for the volume of an object is….?

11. Answer 5- 1 point
mL or cm3

12. The units we use to describe an objects density are …..?
Question 6
The units we use to describe an objects density are …..?

13. Answer 6- 1 point
_g_ or _g_
cm mL

14. Question 7
The sides of a tissue box are measured using a ruler and found to be 3 cm, 5cm, and 10 cm. What is the volume of the tissue box? Show all work.

15. Answer 7 - 4 points V= l x w x h V= 3cm x 5cm x 10 cm V= 150.0

16. Question 8
The sides of a box are measured using a ruler and found to be 15 cm, 2cm, and 1 cm. What is the volume of the box? Show all work.

17. Answer 8 - 4 points V= l x w x h V= 15cm x 2cm x 1 cm V= 30.0

18. Question 9
The sides of a cube are 2 cm, 9cm and 1 cm. What is the volume of the cube? Show all work.

19. Answer 9 - 4 points V= l x w x h V= 2cm x 9cm x 1 cm V= 18.0

20. Question 10
What is the density of an object with a volume of 207 cm3 and a mass of 273 g?

21. Answer points
D= M V
D= 273 g
207cm3
D= 1.3
D= 1.3 g
cm3

22. Question 11
Lily wants to know the density of her titanium action figures. She uses her TBB to find out that the mass of the figure is 34.7 g. She measures the volume and finds its 3.9cm3. What is the density of her action figure?

23. Answer points
D= M V
D= 34.7 g
3.9cm3
D= 8.9
D= 8.9 g
cm3

24. Question 12
Marshall wants to know the density of water. He measures out 50 mL of water and finds that its mass is 50 g. Find the density of water. Show all work.

25. Answer points
D= M V
D= 50 g
50 mL
D= 1.0
D= 1.0 g mL

26. What instrument do we use to measure an object’s mass?
Question 13
What instrument do we use to measure an object’s mass?

27. The triple beam balance or TBB.
Answer point
The triple beam balance or TBB.

28. What instrument do we use to measure the volume of a liquid?
Question 14
What instrument do we use to measure the volume of a liquid?

29. Answer point
A graduated cylinder

30. What instrument do we use to measure the volume of a regular solid?
Question 15
What instrument do we use to measure the volume of a regular solid?

31. Answer point
A ruler

32. What technique do we use to measure the volume of an irregular solid?
Question 16
What technique do we use to measure the volume of an irregular solid?

33. Answer point
Water displacement

34. What is the first thing we do when using a TBB?
Question 17
What is the first thing we do when using a TBB?

35. Answer point
Zero the balance

36. Question 18
The density of a brick is 8.4 g/mL, what is the density of the brick if Ted cuts it in half?

37. Answer point
8.4 _g_ mL

38. Question 19
What is the volume of a metal cube with a length of 12 cm, an width of 9 cm, and a height of 38 cm?

39. Answer 19 - 4 points V= lxwxh V= 12cm x 9cm x 38 cm V= 4104.0

40. Question 20
What is the density of a block of wood with a mass of g and a volume of 326 cm3?

41. Answer points
D= M V
D= 204 g
326cm3
D= 0.6
D= 0.6 g
cm3

42. Question 21
What is the density of a 927 mL sample of molasses? The mass of the sample is 1,092g.

43. Answer points
D= M V
D= 1,092g
927 mL
D= 1.2
D= 1.2 g mL

44. Question 22
The density of a brick is 9.4 g/cm3. What is the density of half of that brick?

45. Answer points
D= 9.4 g/cm3