MJ Water Flashcards
True or False:
Three quarters of Earth is covered by land.
False, three quarters of Earth is covered by water.
Is there more salt water on the Earth or more fresh water?
There is more salt water
Name three places where water is used
Farming, Factories, Mines, Power stations and Gardens
Water is also used for recreational activities
Name the two types of water
Salt water and fresh water
Name two ways people pollute water
Factories empty waste into the oceans or rivers
People throw litter in rivers
People wash in rivers
People and animals go to the toilet in rivers
Pesticides from farms mix with rainwater
What is it called when somebody changes something from its natural form?
Pollution
True or False:
Dirty water can not harm you.
False, dirty water can make you sick
What is a wetland?
Wetlands are places where the land is covered with shallow water. Reeds grow in them.
What is water called when it sinks into the ground?
Groundwater
What is a lake?
Lakes are natural pools of water with land all around them.
Basically the opposite of islands.
What is a dam?
Dams are man-made walls built across the river to store water. They often let water fall from a height to make electricity.
How do we get groundwater from the ground?
Wells and boreholes
Describe the water cycle
- The Sun heats up the water
- The heat changes the water into water vapour
- The water vapour cools down to drops of water
- The drops of water form clouds
- The clouds rain into oceans, lakes and rivers
- The rainwater flows over the land to join rivers
Do you find fresh or salt water in the sea?
Salt water
Name three things we use water for
Drinking Washing clothes
Washing hands Washing dishes
Brushing teeth Bathing
Cleaning Showering
Cooking Art and Craft
Flushing toilets
