EOG REVIEW Question Preview (ID: 56285)
EOG REVIEW.
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What is the first thing a student should do if an accident happens during a science experiment?
a) report to the teacher
b) clean the laboratory station
c) locate the nearest exit
d) put on safety goggles
Which device is used to determine the volume of a liquid?
a) anemometer
b) graduated cylinder
c) test tube
d) thermometer
Which is a compound? A sodium B sugar C nitrogen D air
a) sodium
b) sugar
c) nitrogen
d) air
Two different liquids are poured together in an open container. Bubbles begin to form. After the bubbling stops, it is determined that the total weight of the two liquids is less than before they were poured together. Which best describes this observ
a) Some of the atoms during the reaction escaped into the air.
b) Some of the atoms during the reaction were destroyed.
c) Some of the atoms during the reaction became heavier.
d) Some of the atoms during the reaction changed to a different kind of atom
This is a chemical reaction for the decomposition of carbonic acid into water and carbon dioxide. H2CO3 → H2O + CO2 How does the reaction support the Law of Conservation of Mass?
a) Several molecules of water are produced.
b) The mass of carbon atoms is reduced during the reaction.
c) The mass of the atoms in the reactant equals the mass of the atoms in the products.
d) The mass of hydrogen atoms is the only thing that remains the same before and after the reaction.
Which is a nonrenewable resource?
a) sunlight
b) oil
c) water
d) wood
Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
a) burning coal
b) using ethanol in cars
c) installing solar panels on a home
d) generating electricity in a hydroelectric power
How would a large increase in the salinity of an estuary most likely affect the ecosystem of the estuary?
a) All organisms would die.
b) All organisms would continue to live as they now do.
c) The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
d) The number of salt-intolerant organisms would increase, and the number of salt-tolerant organisms would decrease
Which would indicate the water in a lake is not safe for drinking?
a) many varieties of fish in the lake
b) high dissolved-oxygen levels in the lake
c) cold water temperature of the lake
d) high turbidity levels in the lake
Which disease is caused by a fungal infection?
a) intestinal worms
b) influenza
c) chicken pox
d) athlete’s foot
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