PDF

What Does Flow and Sink Mean?

Hi there! Today we are going to learn about two fun ideas: flow and sink. These words help us understand how things move in water.

What is Flow?

Flow is when something moves smoothly, like water in a river or when you pour juice into a cup. When something flows, it goes from one place to another without stopping. Think about how a slide works—when you go down, you slide smoothly!

What is Sink?

Sink means when something goes down in water and does not come back up. Like when you drop a toy in the swimming pool, and it goes to the bottom and stays there. Heavy things like rocks usually sink, while lighter things like feathers can float.

Fun Activities to Try!

Now let’s do some fun things to see how flow and sink work!

  • Flow Activity: Get a small bowl of water and use a spoon to gently stir it. Watch how the water moves and flows around the bowl!
  • Sink Activity: Find some items around the house, like a small rock, a piece of paper, and a plastic bottle. Fill a big bowl with water and see which items sink to the bottom and which float on top. You can even guess what might happen before you try it!

Why Do These Things Happen?

Everything that we tested behaves this way because of weight (how heavy something is) and shape (how it looks). Heavy things usually sink, and light, flat things can float. This is what makes water so interesting!

Conclusion

Now you know that flow is about moving smoothly and sink is when something goes to the bottom of the water. Keep exploring and having fun with water!


Ask a followup question

Loading...