science
Grade-7
Easy
Question
For which of the following do we need to specify the position of an object?
- Starting point
- Finish point
- Midpoint
- Reference point
Hint:
We need to specify the position of an object for Reference point.
The correct answer is: Reference point
If we are saying that any object is 10 Km, this is not complete sentence we need to specify position that from where it is 10 Km away, so the correct sentence is object is 10 Km away from school/home (any place) and that place is reference point and this reference point is also called origin.
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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 |
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 |
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