ورقة عمل human impact on water resources العلوم المتكاملة الصف الخامس
Q1: write the correct word in correct place
Pollution – acid rain – recycle – algal bloom – reuse
uses old products in new ways. ……………..
A rapid growth of algae caused by too much fertilizer ……………..
using water for something else or more than once ……………..
Sulfur dioxide and nitrogen oxide mix with water in the air ……………..
harmful substance that affects earth’s resources of water ……………..
Q2: Miatha notices that people throw trash on the ground around the pond by her house. The ducks and fish that live in the pond can be harmed by this trash. Miatha wants to come up with a plan to clean up the pond and keep it clean.
Which of these should be part of Miatha plan? put true or false
1. ( ) Use nets to get the existing trash out of the water.
2. ( ) Put trash cans around the pond for people to use.
3. ( )Put up signs that ask people not to litter.
4. ( )Move the ducks and fish to a new pond.
5. ( ) Ask more people to come fish in the pond.
Q3 : Choose the correct word to Complete sentence :
1-what number is considered neutral and safe to drink on the pH scale?
3-What are causes of water pollution?
A. water and air
B. fertilizers and oil spills
C. pollution and sand
D. food and plant
5-Which of the following is not a natural cause of water pollution? pick Three
C. Oil spills
7- Which of the following is a way of conserving water?
A. Leave the tap running while brushing teeth
B. Use a hose to wash the car
C. Leave the shower running while soaping day long
D. Use the washing machine and wast full loads of clothes
2-Which is a way to conserve water?
A. collect rain water
B. Plant only one type of plant like grass
C. Discard all water collected in your gutters
D. All of the above
4-Most of the gases that cause acid rain come from
B. natural sources
C. fossil fuels
6-. means using less water…………
B. B. reuse
8- What will happen if lake water becomes polluted by humans?
A) The pollution will not hurt the plants or animals in the water.
B) It will change the soil around the lake into pebbles.
C) Animals in the lake will die.
D) There will be more fish in the lake.