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General Science


1. Which of the following is the unit of measure for sound intensity?

Decibel

Hertz

Watt

Pascal


2. Which of the following is a type of renewable energy?

Coal

Natural gas

Nuclear

Wind


3. Which of the following is the process by which water moves through a semi-permeable membrane from an area of high concentration to an area of low concentration?

Diffusion

Osmosis

Filtration

Absorption


4. What is the basic unit of heredity?

Protein

Gene

Chromosome

Enzyme


5. What is the process by which a gas changes directly to a solid without passing through the liquid phase?

Freezing

Condensation

Sublimation

Deposition


6. Which of the following is a type of simple machine?

Lever

Electron

Neutron

Proton


7. What is the process by which green plants use sunlight to produce food?

Photosynthesis

Respiration

Digestion

Fermentation


8. Which of the following is a property of bases?

They have a pH less than 7

They taste sour

They react with acids to form salts and water

They have a slippery feel


9. Which of the following is a type of renewable energy?

Coal

Oil

Solar

Natural gas


10. What is the process by which a liquid changes to a gas?

Freezing

Melting

Vaporization

Condensation