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EOG REVIEW
Test Description: EOG REVIEW
Instructions: Answer all questions to get your test result.
1) What is the first thing a student should do if an accident happens during a science experiment?
A
put on safety goggles
B
clean the laboratory station
C
locate the nearest exit
D
report to the teacher
2) Which device is used to determine the volume of a liquid?
A
anemometer
B
thermometer
C
test tube
D
graduated cylinder
3) Which is a compound? A sodium B sugar C nitrogen D air
A
nitrogen
B
sugar
C
sodium
D
air
4) 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 became heavier.
B
Some of the atoms during the reaction were destroyed.
C
Some of the atoms during the reaction changed to a different kind of atom
D
Some of the atoms during the reaction escaped into the air.
5) 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
The mass of hydrogen atoms is the only thing that remains the same before and after the reaction.
B
The mass of carbon atoms is reduced during the reaction.
C
Several molecules of water are produced.
D
The mass of the atoms in the reactant equals the mass of the atoms in the products.
6) Which is a nonrenewable resource?
A
water
B
oil
C
wood
D
sunlight
7) Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
A
installing solar panels on a home
B
generating electricity in a hydroelectric power
C
using ethanol in cars
D
burning coal
8) How would a large increase in the salinity of an estuary most likely affect the ecosystem of the estuary?
A
The number of salt-intolerant organisms would increase, and the number of salt-tolerant organisms would decrease
B
All organisms would die.
C
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
D
All organisms would continue to live as they now do.
9) 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
10) Which disease is caused by a fungal infection?
A
intestinal worms
B
influenza
C
athlete’s foot
D
chicken pox
*select an answer for all questions
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