ATP - Ect

Question 1

Drawing graphs

Answer 1

Label axis

Choose a proper scale

Well-judged best fit line

Thin and neat lines

Question 2

Measuring the gradient

Answer 2

Draw a triangle on graph

Use clear lines

Triangle must be larger than half the line

Question 3

For 2 values to be directly proportional

Answer 3

graph of the values be a straight line from origin

Question 4

Safety Precautions

Answer 4

Live wires should not be touched.

Gloves should be used with hot objects

Circuit connections should be checked and approved by the teacher and then only the circuit should be switched on

While changing components of the circuit the power should be switched off so that one should not experience electric shocks.

Safety goggles, gloves and other safety components should be used while handling experiments.

While handling a mercury thermometer one should take care of the mercury spills.