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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
report to the teacher
B
put on safety goggles
C
clean the laboratory station
D
locate the nearest exit
2) Which device is used to determine the volume of a liquid?
A
thermometer
B
anemometer
C
graduated cylinder
D
test tube
3) Which is a compound? A sodium B sugar C nitrogen D air
A
sugar
B
air
C
sodium
D
nitrogen
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 changed to a different kind of atom
B
Some of the atoms during the reaction escaped into the air.
C
Some of the atoms during the reaction were destroyed.
D
Some of the atoms during the reaction became heavier.
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
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.
6) Which is a nonrenewable resource?
A
oil
B
water
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
burning coal
B
installing solar panels on a home
C
generating electricity in a hydroelectric power
D
using ethanol in cars
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-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease.
B
All organisms would die.
C
The number of salt-intolerant organisms would increase, and the number of salt-tolerant 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
influenza
B
intestinal worms
C
athlete’s foot
D
chicken pox
*select an answer for all questions
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