Vaniya wants to set up a model to demonstrate the greenhouse effect. Her teacher provided her with the materials she needed: two tall glass jars with lids, two laboratory thermometers, and a table lamp. Her teacher also listed the methods in random sequences as shown below. |
(i) Record the temperature in both jars after 5, 10 and 15 minutes. |
(ii) Cover one jar with its lid. Record the temperature for both jars (at 0 minute) in a table in the worksheet. |
(iii) Place two glass jars lying on their sides under the sun. |
(iv) Position a thermometer in each jar so that you can read the temperature easily. |
If her teacher advised her to plan her method such that (iii) is in Step 1, then which of the following is the correct sequence of steps? |
A)
Step 2 Step 3 Step 4 (iv) (i) (i)
B)
(ii) (iv) (i)
C)
(iv) (i) (ii)
D)
(i) (ii) (iv)
Correct Answer: A
Solution :
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