Question

can you explain it?
how could the water in a dinosaur’s drink end up in a raindrop today?
some of earth’s water makes up your body as well as the bodies of all living things. a tiny drop of water can contain more than a trillion water molecules. every water molecule has its own story, and some water molecules at earth’s surface today may have been ingested by a dinosaur 200 million years ago

1. think about the last drink of water you took. how do you think that water may have moved or changed before you drank it?
2. how do you think the state of water affects its movement?

as you explore the lesson, gather evidence to show how the water in a dinosaur’s drink could end up in a raindrop today.

Explanation:

1. For the first question, the water likely followed the water cycle: it evaporated from a large body of water (like an ocean or lake) into water vapor (gas), condensed into clouds, fell as precipitation (rain/snow) onto land, flowed into a reservoir or groundwater system, was treated at a water plant to remove impurities, then traveled through pipes to your tap.
2. For the second question, water's state (solid, liquid, gas) dictates its movement speed and path: solid ice moves very slowly via glacial flow; liquid water flows freely downhill through rivers, pipes, or as runoff; gaseous water vapor moves quickly with air currents, can travel long distances through the atmosphere.

Answer:

1. The water likely went through the water cycle: it evaporated from a large water body into vapor, condensed into clouds, fell as precipitation, entered a water source (reservoir/groundwater), was treated, and traveled through pipes to my tap.
2. Solid water (ice) moves slowly (e.g., glacial flow); liquid water flows freely downhill/through channels; gaseous water vapor moves quickly with air currents over long distances.