Chap 1 and 2 Revision

1. The height of the chair is 15 cm greater than the height of the table.

State whether is the data qualitative or quantitative.

• Qualitative

• Quantitative

2. What is the SI unit of temperature?

• degree Celsius

• degree Fahrenheit

• Kelvin

3. What is the apparatus used to measure mass?

• weighing scale

• electronic balance

• ruler

• measuring cylinder

4. Which statement best describe this diagram?

• Low accuracy

  Low precision

• Low accuracy

  High precision

• High accuracy

  High precision

• High accuracy

  Low precision

5. What error is present if there is a reading on the vernier calipers when it is completely closed?

• Reaction error

• Reading error

• Parallax error

• Zero error

6. What are the hazard symbols present on this acetone bottle?

• Flammable

  Acute toxicity

• Flammable

  Irritant

• Flammable

  Oxidising

• Flammable

  Environmental Toxicity

7. What physical property is the resistance of an object to wear and tear, and scratches?

• Strength

• Flexibility

• Hardness

• Thermal conductivity

8. What physical property is the ability to support a heavy load without changing its shape permanently?

• Strength

• Flexibility

• Hardness

• Thermal conductivity

9. What physical property is the ability of an object to bend without breaking and return to its initial shape and size after bending?

• Strength

• Flexibility

• Hardness

• Electrical conductivity

10. What apparatus is needed to measure the volume of an irregular object?

• Measuring tape

• Metre ruler

• Spring balance

• Measuring cylinder