1.4 Measurement

_____________ is the ability of measuring instruments to obtain a value CLOSEST to the actual value.

• Accuracy

• Consistency

• Sensitivity

• Consistently

_____________ is the ability of measuring instruments to give the SAME readings with repeated measurements.

• Accuracy

• Consistency

• Sensitivity

• Consistently

State the zero error shown by the above measuring instrument

• +0.02 mm

• +0.02 mm

• 0.02 mm

• - 0.02 mm

Which of the following shows a consistent but not an accurate reading?

• A

• B

• C

• D

What is the function of inside jaws for a Vernier Calipers?

• used to measure external diameter or width of an object

• used to measure internal diameter of an object

If the length of a pencil is 5 cm. Estimate the length of the table inside the diagram.

• 5 cm X 4= 20 cm

• 5 cm

• 5 cm + 5 cm + 5 cm + 5 cm = 20 cm

Name the method to estimate the volume of a stone.

• Water method

• Water displacement method

• Measuring cylinder method

• Stone method

How to estimate the area of a leaf?

• Mark (/) on squares that full covered by the leaf

• Mark (/) on squares that half covered by the leaf

• Mark (/) on squares that more half covered by the leaf

• Mark(/) on every squares.

_____________ of a material is the mass per unit volume of the material.

• Area

• Volume

• Density

• Length

Materials that are ___________ dense will float and will be above the materials which are denser.