Name the 3 states of water.
Liquid, solid, gas
True or false? Rivers have fresh water.
True
Groundwater
Water that is solid is called _____.
Ice
The final part of a river is called the _____.
Mouth
True or false? There is always the same amount of water on Earth and in the atmosphere.
True
Are aquifers an example of fresh water or salt water?
Fresh water
A _____ is a hole that allows people to extract water from aquifers.
Well
When ice turns to liquid, it is called _____.
Melting
Rivers can be long, ____, or _____.
Deep, shallow
Living things need water to _____.
Live
True or false? The sea has fresh water.
False
_____ turn into rivers.
Springs
Liquid ---> Water Vapor = _______
Evaporation
Do rivers flow uphill or downhill?
Downhill
There´s more water than _____ on Earth.
Land
Does the Earth have more fresh water or salt water?
Salt water (96%)
Underground lakes are called _______.
Aquifers
What is condensation?
When water vapor cools and turns back into a liquid.
Name 3 of the rivers in Spain.
Guadalquivir, Guadiana, Tajo, Ebro, Duero, Segura, Júcar, etc.
What is the hydrosphere? Use full sentences.
The hydrosphere is the water on the Earth´s surface, the water under the ground, and the water in the atmosphere.
Where is fresh water found? Name at least 3 examples.
Rivers, lakes, ice caps, aquifers, etc.
Explain where groundwater comes from.
Groundwater is water under the ground that has been absorbed from rainfall. Rainwater filters through the soil and collects underground.
Explain the water cycle. (Hint: there are 4 parts.)
1. Evaporation. Water heats up and becomes water vapor.
2. Condensation. Vapor collects in clouds and becomes water drops.
3. Precipitation. Clouds become heavy and it rains or snows.
4. Collection. Water runs off high lands and into rivers, and then into the sea.
Rivers, just like the atmoshphere, can be poisoned due to _______.
Pollution