Physics
Grade-7
Easy
Question
A wave carries an ______.
- Mass
- Energy
- Medium particle
- None of these
Hint:
Energy
The correct answer is: Energy
A wave is define as a periodic disturbance that carries energy and moves from one location to another. The wave does NOT carry matter! A wave has the ability to move through matter (a medium).
Related Questions to study
Physics
Repeated periodic disturbances create:
Repeated periodic disturbances create:
PhysicsGrade-7
Physics
When we throw a stone in a pond _________ is/are generated.
When we throw a stone in a pond _________ is/are generated.
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Biology
Predators are more likely to target ___________ birds in a species.
Predators are more likely to target ___________ birds in a species.
BiologyGrade-7
Biology
Birds use colors and patterns to ___________ their own species.
Birds use colors and patterns to ___________ their own species.
BiologyGrade-7
Biology
Colors can help birds ______________ themselves from predators.
Colors can help birds ______________ themselves from predators.
BiologyGrade-7
Biology
______________ plumage may be worn for the full spring and summer in certain species, while it may only be worn for a few weeks in others.
______________ plumage may be worn for the full spring and summer in certain species, while it may only be worn for a few weeks in others.
BiologyGrade-7
Biology
___________ is a bird with a rare but not unheard-of plumage variation, such as very light or very black plumage, which is commonly a sign of leucism or melanism.
___________ is a bird with a rare but not unheard-of plumage variation, such as very light or very black plumage, which is commonly a sign of leucism or melanism.
BiologyGrade-7
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-7
Biology
Melanism is the only genetically programmed plumage coloration system that is controlled directly at the cellular level.
Melanism is the only genetically programmed plumage coloration system that is controlled directly at the cellular level.
BiologyGrade-7
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-7
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-7
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-7
Biology
BiologyGrade-7
Biology
__________plumage refers to the plumage of very young birds that are only a few days or weeks old.
__________plumage refers to the plumage of very young birds that are only a few days or weeks old.
BiologyGrade-7
Biology
_____________ plumage is still fairly plain to help with hiding, but it may start to display mature colors and patterning.
_____________ plumage is still fairly plain to help with hiding, but it may start to display mature colors and patterning.
BiologyGrade-7
