2nd Semester Final Exam Online Reviewer

Why is it important to clean, conserve, and protect water?

• Water is expensive

• Water can be frozen

• Water is a limited resource

Which will most likely happen if lake water becomes polluted by humans?

• The pollution will not hurt the plants or animals in the water

• Animals in the lake will die.

• There will be more fish in the lake

Most gases that lead to acid rain come from ____________ .

• Burning fossil fuels

• Natural Resources

• Animals

It has been very dry in Miguel's city for the past several months. The local government has placed the city under a drought warning, which means people in the city should try to conserve as much water as possible. What can Miguel do to help conserve water?

 

 

SELECT ALL THAT APPLY.

• Wash his hands using hot water instead of cold water

• Turn off the water when he brushes his teeth

• Take short showers instead of baths

A scientist is studying the effects of burning fossil fuels. One effect is acid rain. She is creating a plan to prevent further acid rain damage to the ecosystem. What should the scientist include in her plan?

 

SELECT ALL THAT APPLY.

• Ask people to drive more instead of walking or biking

• Develop vehicles that uses renewable energy instead of fossil fuels

• Encourage people to carpool instead of driving individual vehicles

Victoria went to a stream near her home and recorded these observations. What can you conclude from her observations?

• It is clean

• It is suitable to drink

• It is polluted / dirty

Which of the following is one way humans pollute the hydrosphere?

 

• Going on a paddle boat

• Farming and causing soil runoff

• Cleaning an oil spill

All of the Earth’s liquid and solid WATER make up the _________________.

• Hydrosphere

• Geosphere

• Atmosphere

Which is an example of a process that can SLOWLY change the surface of Earth?

• Earthquake

• Volcanic Eruption

• Glaciers

Anna goes to the same beach with her family every summer. This year she noticed that the beach was smaller than last year. What might have caused the beach to change over the years?

• The cold weather caused the beach to change

• Wind and water eroded the beach

• A volcano erupted