Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
NC 8th Grade EOG Review 2
Test Description: EOG Review
Instructions: Answer all questions to get your test result.
1) Which pair of elements has the most similar properties?
A
N and P
B
K and He
C
I and Ca
D
Li and B
2) If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products?
A
3 atoms of carbon (C)
B
2 atoms of carbon (C)
C
6 atoms of carbon (C)
D
12 atoms of carbon (C)
3) Which is a possible disadvantage of using flowing water to produce electricity?
A
ecosystem damage and loss of land
B
only suitable for industrial use
C
reduced carbon dioxide emission
D
creates reservoirs
4) Why is water from an aquifer more likely to be cleaner than water from other sources?
A
because it receives water directly from precipitation
B
because pollutants are filtered by rock and soil deep within Earth
C
because it rises to the surface near the ocean
D
because it forms where fresh and salt water meet
5) In which oceanic zone do clams and crabs survive by burrowing in the sand?
A
intertidal
B
open ocean
C
deep ocean
D
oceanic
6) If a body of water has high turbidity levels, what can most likely be concluded?
A
It contains a lot of chemicals.
B
It has a low pH.
C
It is unsafe to drink.
D
It is too hot to drink.
7) Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?
A
Dinosaurs lived on Earth before the mammals.
B
Dinosaurs were eaten by the mammals.
C
Dinosaurs ate plants.
D
Dinosaurs and mammals lived at the same time.
8) Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?
A
contact with an infected animal
B
contact with a contaminated object
C
contact with environmental sources
D
contact with an infected person
9) Which is the best way to help prevent the flu from becoming a pandemic?
A
taking antibiotics
B
washing hands often
C
getting a vaccination
D
eating fruits and vegetables
10) Which best explains the importance of nitrogen in the cycling of energy and matter?
A
Nitrogen increases protein production in plants.
B
Nitrogen increases the effectiveness of photosynthesis.
C
Nitrogen decreases the effectiveness of photosynthesis.
D
Nitrogen decreases protein production in plants.
11) Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
A
by producing crops that are virus resistant
B
by increasing the use of wind farms that produce electricity
C
by making robots to replace large farm machines
D
by reducing the need for countries to import food
12) If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?
A
The population of deer will increase.
B
The population of deer will decrease.
C
The population of deer will remain the same.
D
The population of deer will become extinct.
13) Where do plants get most of the energy they need to live and grow?
A
sunlight
B
air
C
water
D
soil
14) Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
A
They eat the same food.
B
They swim the same way.
C
They have similar anatomies.
D
They live in the same area of the ocean.
15) In the winter, the fur of the arctic fox is white. In summer, the fur darkens to a reddish brown. What most likely causes the fur of the fox to change color?
A
the fox’s genes
B
the amount of sunlight present
C
the fox’s habitat
D
the fox’s age
16) Which would best allow a species to survive environmental changes?
A
similar physical features
B
small population
C
low mutation rate
D
genetic diversity
17) How would smoking tobacco most likely have a negative impact on the ability of an individual to succeed at physical activities?
A
It decreases the speed and power of muscle contractions
B
It interferes with balance and coordination
C
It decreases the ability to make decisions rapidly
D
It decreases stamina and cardiovascular efficiency
18) Which shows one example of a physical change and one example of a chemical change?
A
boiling water and melting wax
B
dissolving powder and shredding paper
C
freezing water and burning coal
D
rusting iron and baking a cake
19) How does a balanced chemical equation satisfy the Law of Conservation of Mass?
A
During a chemical reaction, one or more new substances are formed.
B
During a chemical reaction, the total number of atoms increases.
C
During a chemical reaction, the total amount of matter stays the same.
D
During a chemical reaction, matter is destroyed.
20) Which is a problem with using wind turbines to produce energy?
A
Wind turbines are efficient only in certain areas
B
Wind turbines occupy a small area of land
C
Wind turbines produce a large amount of energy
D
Wind turbines create a large amount of pollution
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?