Rocks
How many types of rocks are there?
There are 3 types of rocks
Why is water important?
Because we need it to drink, to make food and for many other things.
What is weather?
The description of what is like outside ate any given time of the day.
Give me 4 examples of extreme weather.
Tornadoes, hurricaines, blizzards, droughts, flooding, heatwaves
Which percentage of the Earth's surface is covered by water?
71 percent
What are the names of the types of rocks?
Igneous, sedimentary and metamorphic
What is the water cycle?
The different stages trough which the water goes on Earth.
Which are the 4 main weather elements?
They are temperature, humidity, air pressure and wind.
What is extreme weather?
Any weather that falls outside of normal patterns and that can be dangerous.
What percentage of water on Earth is salt water?
96.5 percentage
How is an igneous rock created?
When magma comes out from a volcano and it solidifies
What is evaporation?
The process by which liquid water transforms into water vapor.
What do we measure with an hygrometer?
Humidity
What are tornadoes?
They are violently spinning, funnel-shaped columns of air that stretch from the dark thunderclouds they form in all the way to the ground.
What percentage of water on Earth is fresh water?
3.5 percent
How is a sedimetary rock created?
When some minerals, small pieces of plants and other organic materia are compressed and deposited over a long period of time.
What is condensation and what does it create?
It is the process by which water vapor transforms into tiny droplets of liquid water.
It creates the clouds.
What do we measure with an anemometer?
Wind speed
What are hurricanes?
Hurricanes are strong storms that start in the ocean and have winds of at least 74 miles an hour.
Which amount of fresh water is in rivers, lakes and streams?
2 percent
How is a metamorphic rock created?
When an igneous rock or a sedimentary rock are exposed to extreme heat and pressure.
What is precipitation and which different forms can it have?
The process by which water is released from clouds. It can be in the form of rain, sleet, hail or snow.
What do we measure with a barometer?
Air pressure
What characteristics does a snowstorm need to have to be called a blizzard?
It has to have very string winds.
There has to be very low visibility.
It has to last more than 3 hours
Which amount of fresh water in groundwater?
One third of fresh water.