WorksheetsEcosystems & Water
Total questions: 15
Worksheet time: 8mins
What do we call trash that gets trapped in circular ocean currents?
Waves
Tides
Gyres
Tsunami
Why are gyres so bad for the environment?
Plastics are eaten by marine animals.
Plastics can trap marine animals and cause death.
Block sunlight and prevent it from reaching marine animals.
All of these.
What are horizons?
Layers of soil.
Layers of water.
Layers of compost.
Layers of tillage.
What percentage of the water on earth is salty?
94.5%
95.5%
96.5%
97. 5%
Which of the following is an example of surface water?
Clouds
Vapor
Springs
Lakes
Which of the following is an example of groundwater?
snow
well
brook
lake
Which of the following is an example of how our body loses water?
Perception
Perspiration
Perpetrator
Perdition
What percentage of water do most plants consist of?
70%
80%
90%
95%
Which of the following can lead to dehydration?
Diarrhea and vomiting
Constipation
Breathing
Drinking water.
What percentage of water can be found in the atmosphere?
0.1%
0.01%
0.001%
0.0001%
When do we often get dehydrated?
When we are sick.
When we exercise a lot.
When the weather is very hot and we perspire.
All of these
What percentage of our body is water?
50%
60%
70%
80%
What are the 3R's?
remake
rebuild
research
reboot
redo
reproduce
reuse
reduce
recycle
All of these
What happens to a piece of land when it is overgrazed?
Grass will grow quicker and provide more food.
The biodiversity of the area will flourish.
There won't be enough plant cover to maintain biodiversity.
None of these.
What is another word for animal waste?
Manure
Mulch
Grazing
Crops
