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8th Grade Science EOG Questions #1
Test Description: Questions to prepare students for NC Science EOG.
Instructions: Answer all questions to get your test result.
1) Where is most freshwater located on Earth?
A
Polar Ice Caps
B
Rivers
C
Groundwater
D
Lakes
2) Which describes the hydrosphere?
A
It is formed by a climate change.
B
It is made of only freshwater.
C
Most of it contains salt.
D
All of it is located above ground.
3) Which condition in the ocean is most responsible for an increase in the fish population near the surface?
A
density
B
buoyancy
C
salinity
D
upwelling
4) Which pair of organisms represents a connection between aquatic and terrestrial food webs?
A
seagulls and oysters
B
spiders and mosquitoes
C
humans and coral
D
whales and plankton
5) Which tool is used to determine precipitation amounts?
A
hygrometer
B
rain gauge
C
thermometer
D
balance scale
6) Which is evidence that elements can combine to form new compounds?
A
moving a piece of metal with a magnet
B
pouring two liquids together to make a solid
C
freezing a liquid
D
melting a solid
7) Which property of metals allows them to be used to make coins that have the same thickness?
A
electrical conductivity
B
specific heat
C
density
D
malleability
8) Which best describes why metals are used for making pots and pans that are used for cooking?
A
Metals have high specific heats and high melting points.
B
Metals have low specific heats and low melting points.
C
Metals have low specific heats and high melting points.
D
Metals have high specific heats and low melting points.
9) Which best describes the physical change of an aluminum soda can after it is crushed?
A
There is a change in the specific heat of the can.
B
There is a change in the volume of the can.
C
There is a change in the weight of the can.
D
There is a change in the mass of the can.
10) A chemical reaction produces two new substances, and each product has a mass of 25 grams. What was the total mass of the reactants?
A
25 grams
B
50 grams
C
100 grams
D
75 grams
*select an answer for all questions
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