Water Cycle
This is the name for the movement of all the water on Earth.
What is the water cycle?
Farmers use these on crops, but the rain washes them away into lakes and rivers.
What is fertilizer?
Wind blowing across the surface of the water makes the water move.
What are waves?
This is the route a river takes.
What is the course?
The mouth is where the river starts and the source is where the river ends.
False.
The sun heats the surface of the water. The water changes from a liquid to a gas.
What is evaporation?
This is what it´s called when a ship carrying oil sinks.
What is an oil spill?
The gravity of the moon pulls the water on Earth.
What are tides?
Rain forms streams, streams make valleys, and the vallys form waterfalls.
What is the upper course of a river?
Humans should drink both fresh water and salt water.
False. Don´t drink salt water!
Evaporated water rises into the atmosphere and cools.
What is condensation?
Humans build these so we can use water for drinking and for electricity.
What are reservoirs/dams?
These are caused by both the rotation of the Earth and different temperatures in the water.
What are currents?
This is a course where water only flows when it rains.
What is a gully?
Spain has four main watersheds.
False. Spain has three main watersheds, the Cantabrian, the Atlantic, and the Mediterranean.
Large drops fall from the clouds.
What is precipitation?
This is the waste that humans produce when they use the toilet. It contains harmful bacteria and viruses.
What is human sewage?
This is the name of a warm current that starts in Mexico and flows northeast towards Europe.
What is the Gulf Stream?
The river is deep and wide here. It deposits mud and sand and forms deltas here.
What is the lower course?
False. Lakes and rivers are both examples of surface water.
Precipitation collects in rivers, lakes, and underground and travels to seas and oceans.
What is collection?
Humans throw this waste into the ocean. Animals can get trapped in this rubbish.
What is plastic?
This is the area of land where all rivers lead to the same ocean.
What is a watershed?
This is where lakes form in the meanders of a river.
What are oxbow lakes?
A river basin is an area of land where all the main rivers drain into the same sea or ocean.
False. A river basin is an area of land that drains into a river.