Measurement

Question 1

Length?

Answer 1

Length is the distance between two points.

Question 2

What is the SI unit for length?

Answer 2

Metres (m)

Question 3

Error of parallax?

Answer 3

Don’t read measurements at an angle.

Question 4

Zero error?

Answer 4

Start measuring at zero.

Question 5

Ruler.

Question 6

Meter stick?

Question 7

Vernier callipers?

Answer 7

To measure the diameter of a circular object e.g. a coin

Question 8

Trundle wheel?

Answer 8

To measure a long curved line e.g. a road

Question 9

Opisometer?

Answer 9

Measure the length of a curved line for a short distance e.g. line on a map

Question 10

Area?

Answer 10

Area of an object in the amount of surface enclosed within its lines

Question 11

Area of a square = ??

Answer 11

Length by width

Question 12

Units for area?

Answer 12

m2 or cm2

Question 13

Volume?

Answer 13

Volume is the amount of space that an object takes up 

Question 14

We must?

Answer 14

1. Read below the meniscus.
2. At eye level

Question 15

How do you find the volume of an irregular object??

Answer 15

Length by width by height

Question 16

Unit for the volume of an irregular shape?

Answer 16

Cm3 or m3

Question 17

Time -
Definition, instrument, and SI unit?

Answer 17

2. Timer/stopwatch.
3. Seconds (s)

Question 18

Temperature -
Definition, instrument, and SI unit?

Answer 18

1. Is a measure of how hot or cold something is.
2. Thermometer
3. Degrees Celsius

Question 19

Mass -
Definition, instrument, and SI unit?

Answer 19

1. Is a measure of the amount of mass in a body.
2. Mass balance
3. Kilograms (kg)