SCIENCE 7 SEMI-FINAL TEST

Jets fly on this layer

• Troposphere

• Mesosphere

• Stratosphere

• Thermosphere

• Exosphere

Location of the ozone layer

• Troposphere

• Mesosphere

• Stratosphere

• Thermosphere

• Exosphere

Coldest layer

• Troposphere

• Mesosphere

• Stratosphere

• Thermosphere

• Exosphere

Meteors burn on this layer

• Troposphere

• Mesosphere

• Stratosphere

• Thermosphere

• Exosphere

Which energy resource harness its energy from the force of falling water in dams?

• Fossil Fuel

• Hydroelectric Power

• Geothermal

• Solar

Which energy resource derives its energy from the earth's interior?

• Fossil Fuel

• Hydroelectric Power

• Geothermal

• Solar

Which of the following is NOT a fossil fuel?

• Coal

• Petroleum

• Natural gas

• Uranium

Which of the following energy sources does not produce carbon dioxide?

• Oil

• Uranium

• Coal

• natural gas

Philippines uses GMT +8. What does GMT mean?

• General Meridian Time

• Greenwich Meridian Time

• Global Mean Time

• Global Meridian Time

Which of the following problems is associated with the burning of coal?

• acid rain

• carbon dioxide emissions

• ash with toxic metal impurities

• all of these