science
Grade-4-
Easy

Question

Jasmine carried out an experiment. She placed two bowls of sand and water in the sunlight. She took the temperatures after an hour. She then took both the bowls into her home and placed them in an area with no light. She took another temperature after an hour and conducted the following observations:

Sand
Water
Before placing the bowls in the sunlight
370C
300C
After keeping the bowls in the sunlight for one hour
370C
320C
After keeping the bowl inside the house for one hour
310C
310C
How much does the temperature increase of the sand after an hour in the sun?

  1. 300C
  2. 370C
  3. 320C
  4. 310C

The correct answer is: 370C


    After an hour in direct sunlight, the temperature of the sand rises by 7ﹾC.