streams/rivers
oceans
glaciers
water
floods
100
beginning of a stream 
What is headwaters
100
phytoplankton is at the bottom of the food chain and it lives in the ocean 
what is phytoplankton 
100
glacier
what is the longest reservoir  
100
earth holds about 70% 


how much water is on earth
100
a flood is when it rains to much and there is no where for it to go so it floods
what is a flood
200
when a smaller stream goes into a bigger one


what is tributary
200
95% of earths oceans is unexplored
how much is unexplored 
200
glaciers hold water 


what do glaciers do 
200
salt water is mostly in oceans fresh water is mainly in lakes pond or streams
what is the difference between salt and fresh water
200
a flash flood has no warning 
what is a flash flood
300
water flow with a current, they flow downhill into the ocean 
what is a stream
300
salinity is the measure of salt in the water
what is salinity 
300
they start by a little bit of snow forming and freezing and it keeps happening
how do glaciers form 
300
ground water is in aquifer 
what is ground water
300
floods are mostly going to happen on flat land probably at a bottom of a hill
where are floods most likely to happen
400
when fresh water mixes with salt water. a stream meets the ocean 
what is an estuary 
400
precipitation
what part of the water cycle is the ocean big in
400
water is to warm for a glacier to form in it so they mostly form on land and run into the water and become and icecap
where do glaicers form
400
the water cycle is a way of keeping our water fresh and also watering earth in it's own way so we don't have a drought 
what is the water cycle
400
floods can ruin people farming land or many houses lower levels
what are some effects
500
separates the water basin
what is a divides 
500
salt
how did they keep things preserved before fridges
500
glaciers move faster then anyone would of ever expected them to move 
how fast do glaciers move
500
ground water is often called fossil water
what is ground water called
500
flash floods come very rapidly is a short amount of time with no warning
how does flash flood differ from any other flood
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