When you put an object into water it will displace (or push out) some of the water. Measuring how the water level changes is an easy and accurate method of determining the object volume.

What is the volume of water before you put in the object (no units, please)?

4.4

4.8

4.9

5.0

5.1

5.2

Water before = 4.8 mL

What is the volume of water after you put in the object (no units, please)?

4.58

5.3

5.6

5.7

5.8

6.2

Water before = 4.8 mL Water after = 5.6 mL

So what is the volume of the object? (No units or zeros before the decimal, please.)

.2

.4

.6

.8

1

1.2

What is the volume of water before you put in the object (no units, please)?

31

32

33

30.1

30.2

30.3

Water before = 32 mL

What is the volume of water after you put in the object (no units, please)?

30.7

30.8

30.9

37

38

39

Water before = 32 mL Water after = 38 mL

What is the volume of the object? (No units or zeros before the decimal, please.)

.4

.6

.8

1.0

4

6

8

What is the volume of water before you put in the object (no units, please)?

3.2

3.4

3.5

32

34

Water before = 3.4 mL

What is the volume of water after you put in the object (no units, please)?

4.9

5

5.1

50

69

Water before =3.4 mL Water after = 5 mL

What is the volume of the object? (No units or zeros before the decimal, please.)

.4

.6

1.2

1.6

2

8.4

Now let's go faster.

What is the volume of the object? (You may need to write down your two measurements.) [Remember: just the number; no units; no zeros before decimals.]

.4

.6

.8

4

6

8

What is the volume of the object? [No units and no zeros before decimals.]

2

4

6

8

10

What is the volume of the object? [No units and no zeros before decimals.]