What is a watershed ?

• different sources of water flows in different directions a common location as ocean

• It's the place where a river starts

• It's the place where a river ends

• different sources of water flows in one direction a common location as ocean

What is a lake ?

• different sources of water flows in different directions a common location as ocean

• It's the place where a river starts

• It's a larg body of water surrounded by land

• different sources of water flows in one direction a common location as ocean

Complete :

...................... They are small water bodies as small creeks or streams that flow into bigger rivers

Complete :

................... It's the place where a river starts

Complete :

................... It's the place where a river ends

............ It means restricting access of human to the natural resources or using them

• upstream

• preservation

• tributaries

• sustainability

Paper is made from ............

• Sheeps

• Tree

• Oil products

• animal products

It means using natural resources in a way that doesn't negatively affect the future supply of these resources

• sustainability

• Upstream

• Downstream

• Tributaries

Give reasons for why we must conserve fresh water.

• Because there is a limited amount of fresh water on Earth.

• Because it is essential for all life.

• Because it is abundant and renewable.

Give reasons for why you should turn off the water tap during brushing your teeth.

• To conserve fresh water.

• To save energy.

• To prevent flooding.