Measuring Correctly

What is the volume of the purple liquid using correct measurement techniques?

• 8.4 mL

• 8.5 mL

• 8.43 mL

• 8.50 mL

Using ruler B, a student recorded the length of the bar as 4.83 cm. Which statement below is correct.

• The student did not record their answer with the correct number of digits.

• The 4 and the 8 are certain, but the 3 is estimated.

• All of the digits in the measurement are estimated.

• They should have used ruler A because it would have measured with more certainty.

What is the volume of the liquid shown in this graduated cylinder?

• 4.30 mL

• 4.35 mL

• 4.4 mL

• 4.40 mL

Record the temperature using correct measurement techniques.

• 16⁰C

• 16 1/2 ⁰C

• 16.33⁰C

• 16.4⁰C

What is the volume of the liquid using correct measurement techniques?

• 39.2 mL

• 40 mL

• 39 mL

• 40.1 mL

What is the length of the green rod using correct measurement techniques?

• 89 cm

• 88.9 cm

• 88.89 cm

• 88.875 cm

Which of these could be a correct measurement for the volume shown?

• 40 mL

• 43 mL

• 43.0 mL

• 43.00 mL

Record the volume of the liquid in the beaker using correct measurement techniques.

• 44 mL

• 40 mL

• 50 mL

• 48 mL

Using ruler A and sig figs, measure the length of the bar in the center.

• 4.8 cm

• 4.75 cm

• 4.4 cm

• 4.755 cm

What is the correctly measured volume of the water in the cylinder? (Remember to measure from the bottom of the meniscus.)

• 35.2 mL

• 36 mL

• 36.2 mL

• 38 mL