8th Grade Science EOG Review

Hydrosphere

100

__________ occurs in bacteria and other organisms and involves the use of energy released by  chemical reactions to produce food.  This happens at hydrothermal vents.

A.  Cellular respiration

B.  Chemosynthesis

C.  Photosynthesis

D.  Mitosis

What is chemosynthesis?

200

In Which Zone would you find snails, oysters and migrating birds?

A. Benthic Zone, 

B. Oceanic Zone,

 C. Intertidal Zone

What is Intertidal Zone?

300

This zone is part of the open ocean and is home to the most diverse sea life.  Most commercial fishing occurs in this zone.

A. Intertidal

B. Neritic

C. Benthic (Deep Ocean)

B.  Neritic  What is the Neritic zone?

400

Desalination is the process of? A Making Ocean Power B Making Wind Power C Making Fresh Water from Salt Water D Making Salad without Dressing

What is Making Fresh Water from Salt Water?

500

When __________ and ___________ are added in large amounts to a pond it causes _______________ which is known to suffocate fish.

A.  Carbon and oxygen, evaporation

B.  Sulfur and Hydrogen, eutrophication

C.  Nitrates and phosphates, precipitation

D.  Nitrates and phosphates, eutrophication

What is nitrates and phosphates and eutrophication?

Geologic/ Life Evolution

100

What has S Waves and P Waves? A chemical weathering B earthquakes C hurricanes D Law of Superposition

What are Earthquakes?

200

The best evidence that two continents were once connected. A They have similar types of rocks and fossils. B They are in the same stage of succession. C They exist along the same line of latitude. D They have the same climate.

What is they have similar types of rocks and fossils

300

Index fossils tell provide what information?

A.  That a fossil lived in many different time periods

B.  That a fossil became extinct due to volcanic activity

C.  That our planet is gradually getting warmer

C.  That a fossil lived only during a particular time period yet it was found in many places on Earth

What is "lived only during a particular time peiod yet was found in many places on Earth"?

400

Through the technique of Carbon dating a fossil is determined to be 11,460 years old.  Is this an example of 

A.  Relative Dating

B. An educated guess

C.  Absolute Dating

What is absolute dating?

500

 The concept that natural geological processes which occur today have occurred at approximately the same rate and intensity since Earth first formed.  This is called the:

A. Law of Superposition

B. Law of Natural Selection

C.  Law of Uniformitarianism

D.  Law of Conservation of Mass

C. Law of Uniformitarianism

Cells

100

The organelle that stores genetic information. A flagellum B nucleus C mitochondrion D vacuole

What is the nucleus

200

A lipid is a ? A. stored protein B. stored fat C. stored organelle D. stored cilia

What is stored fat?

300

What are organisms that break down dead things called?

A.  Viruses

B.  Decomposers

C.  Algae

D. Neutrons 

What are Decomposers?

400

The process where oxygen is added to nutrients to release energy in the form of ATP. A. photosynthesis 

B. endocytosis

C. exocytosis

D. cellular respiration

What is cellular respiration?

500

Oops!  Surprise--chemistry question again!

Balance the following equation:  

N₂ + H₂ ----------NH₃

*You must write this out on the white board!

What is  N₂ + 3H₂ ----------2NH₃ ?

Microbiology

100

The factor that best explains why some people will react differently than others to the same dose of an antibiotic. A high potency B low concentration C individual exposure D individual susceptibility

What is individual susceptibility

200

The statement that best describes influenza. A Influenza causes most forms of lung cancer. B Influenza is caused by poor hygiene. C Influenza is cured with antibiotics. D Influenza is highly contagious.

What is Influenza is highly contagious

300

Some types of bacteria have become resistant to this type of medication because of overuse (doctor's prescribing when it is not necessary).

A. Anti-viral

B. Vaccine

C.  Antibiotic

D.  Ointment

What is an antibiotic?

400

A less complex cell composed of no true nucleus. unicellular multicellular prokaryote eukaryote

What is a prokaryote?

500

Malaria is a disease that is spread by a ________ and caused by a __________. 

A. protist, bacteria

B.  vector, protist

C.  vector, virus

D.  virus, fungus

A.  What is vector, protist?

Chemistry

100

Evidence that elements can combine to form new compounds. A melting a solid B freezing a liquid C moving a piece of metal with a magnet D pouring two liquids together to create a solid

What is pouring two liquids together to create a solid?

200

The property of metals that allows them to be used to make coins that have the same thickness. A electrical conductivity B density C malleability D specific heat

What is malleability.

300

Rewrite the following formula to make sure that it is balanced:

CaCl₂ + Mg  ------ MgCl₂ + Ca

*You must write this on the white board

What is "it is already balanced"?

400

This best describes the physical change of an aluminum soda can after it is crushed. A There is a change in the mass of the can. B There is a change in the weight of the can. C There is a change in the volume of the can. D There is a change in the specific heat of the can.

What is there is a change in the volume of the can?

500

The number of total atoms in the following chemical formula is?  C₆H₁₂0₆

_{A.  18}

_{B.  24}

_{C.  10}

_{D.  12}

B.  What is 24?