science
Grade-7
Easy
Question
Distance ___ be 0 but/and displacement ___ be 0.
- Can, cannot
- Cannot, can
- Can, can
- Cannot, cannot
Hint:
Cannot, can
The correct answer is: Cannot, can
Distance can never be zero, but displacement is a vector quantity, and it can be zero because for example if we go home to school and come back to home the displacement is zero in this case, but distance is not zero.
Related Questions to study
science
In which of the following situations do we need to calculate the average speed of an object?
In which of the following situations do we need to calculate the average speed of an object?
scienceGrade-7
science
Distance _____ displacement.
Distance _____ displacement.
scienceGrade-7
science
1 km/h = ___ m/s
1 km/h = ___ m/s
scienceGrade-7
science
The rate of change of distance is called ____?
The rate of change of distance is called ____?
scienceGrade-7
science
What is the SI unit of displacement?
What is the SI unit of displacement?
scienceGrade-7
science
Displacement is the ____ distance between two points.
Displacement is the ____ distance between two points.
scienceGrade-7
science
An object is said to be in motion if it's _____ changes with ____.
The object is said to be in motion when it changes its position with respect to time.
For example: A tiger chasing after its prey is an object and the chasing is motion with respect to time of surrounding that the time we say the tiger is chasing.
An object is said to be in motion if it's _____ changes with ____.
scienceGrade-7
The object is said to be in motion when it changes its position with respect to time.
For example: A tiger chasing after its prey is an object and the chasing is motion with respect to time of surrounding that the time we say the tiger is chasing.
science
The air above the ocean and lakes is dry.
The air above the ocean and lakes is dry.
scienceGrade-4-
science
The amount of water vapor in the air is calculated as humidity.
The amount of water vapor in the air is calculated as humidity.
scienceGrade-4-
science
The amount of rainfall is measured by using a hygrometer.
The amount of rainfall is measured by using a hygrometer.
scienceGrade-4-
science
The humidity in deserts is typically very low.
The humidity in deserts is typically very low.
scienceGrade-4-
science
It is not easy to walk against the wind on a windy day.
It is not easy to walk against the wind on a windy day.
scienceGrade-4-
science
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 |
scienceGrade-4-
science
Match the following.
| A. Barometer |
1.  |
| B. Rain gauge |
2.  |
| C. Wind vane |
3.  |
Match the following.
| A. Barometer |
1. |
| B. Rain gauge |
2. |
| C. Wind vane |
3. |
scienceGrade-4-
science
Hygrometer is used to measure the air pressure.
Hygrometer is used to measure the air pressure.
scienceGrade-4-
