When you throw a stone into water, it pushes the water up and down. This makes waves that spread out from where the stone landed, like ripples on a pond.
The Stone’s Job
The stone lands in the water and moves the water around it, making the first wave. Then, because water is connected, the movement starts to spread further out from the center.
Why It Ripples
Each part of the water moves up and down as waves pass through it, just like when you shake a rope and it makes waves too.
Examples
- A pebble dropped into a puddle creates small waves that spread out from where it landed.
- When you jump into a lake, the water around your feet ripples outward like a stone was thrown.
- Throwing a rock into a calm river makes the water ripple and move in circles.
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See also
- How Does Sound Travel Through the Ocean?
- How Does Sound Travel Through Space?
- What Causes ‘Sound’ and Why Do We Hear It Differently in Different Places?
- What Causes the ‘Drip’ of a Leak?
- What Causes the ‘Breeze’ of a Fan?
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