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IEES Grade 6 Super Review 6.4 - 6.5 Flashcards | StudBud
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IEES Grade 6 Super Review 6.4 - 6.5
IEES Grade 6 Super Review 6.4 - 6.5
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Introduction to Earth and Environmental Science- Grade 6: VA SOL 6.4-6.5
Flashcards
50 cards
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Practice quiz
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Questions
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Answers
1
Water is an essential resource, which of the following do not require water?
humans
animals
rocks
plants
2
In chemistry, elements are represented by ____.
symbols
building blocks
ratios
formulas
3
What type of weathering is freezing water that can break rock?
erosion
physical
rock cycle
chemical
4
A neutron has which of the following charges?
neutral
negative
magnetic
positive
5
What subatomic particle is found outside the nucleus of an atom?
neutron
nucleus
electron
proton
6
Which of the following is NOT a compound?
CaCO3
O2
CO2
H2O2
7
Which of these could be an element? (This is not a real element)
Nic
NIC
nic
nIc
8
How many different elements are in the formula CaCO
3
?
1
2
4
3
9
Large bodies of water moderate climate by ____ heat in summer and ___ heat in winter.
absorbing; releasing
decreasing; increasing
increasing; decreasing
releasing; absorbing
10
Choose the correctly labeled water molecule.
B
C
A
D
11
What does point "A" represent?
proton
electron
neutron
nucleus
12
Water is known as the ____ because it is able to dissolve so many substances.
ultimate solvent
universal solvent
universal substance
ultimate substance
13
Most water in air is an invisible gas called ____.
oxygen
water vapor
carbon dioxide
argon
14
What is water with dissolved gases and other chemicals that cause minerals in rock to change?
physical weathering
chemical weathering
erosion weathering
rock cycle
15
Atoms are made of subatomic particles, which of the following are NOT subatomic particles?
neutron
proton
electron
nucleus
16
Water treatment and sanitary sewers helped eliminate ___ associated with human waste.
diseases
problems
games
issues
17
Substances that CANNOT be broken down physically into other substances are _____.
sollutions
gases
mixtures
compounds
18
A substance, like water, that dissolves another substance is called a ____.
mixture
solvent
solution
solution
19
Water tends to resist changes in temperature because of its ____.
high heat of vaporization
high specific heat
cohesive properties
adhesive properties
20
What holds atoms together in a molecule?
chemical bonds
density
gravity
temperature
21
What type of power plant makes use of kinetic energy of water and turbines?
coal burning power plant
natural gas power plant
nuclear power plant
hydroelectric power plant
22
Water rises up a narrow tube due to ____.
surface tension
capillary action
cohesion
adhesion
23
Ice wedging is an example of ___.
physical weathering
acid rain
sedimentation
chemical weathering
24
Which is NOT a way to conserve water?
Take baths instead of showers.
Water your lawn less.
Take short showers.
Turn off water while brushing.
25
A water molecules has two separate ends. What are they?
north and south
positive and negative
up and down
male and female
26
How many atoms are in the formula CaCO
3
?
4
2
5
3
27
What word would describe the climate of areas near large bodies of water?
hotter
colder
milder
wetter
28
During the process of evaporation, liquid water becomes ___.
tiny drops of water
atoms of hydrogen and oxygen
molecules of water vapor
separate atoms of water
29
Water is able to absorb heat energy without showing much change in _____.
amount
temperature
range
energy
30
Al, Cu, N and O are symbols for ____.
particles
elements
compounds
mixtures
31
Abrasion, root wedging, ice wedging, and action of organisms are all types of ____ weathering.
chemical
rock
erosion
physical
32
The property of water that makes it stick to other substances is called ____.
adhesion
capillary action
cohesion
surface tension
33
Which statement is true about liquid water?
it has a temperature less than Oo C
it takes the shape of the container
it does not freeze
it is invisible
34
Why is it important to conserve water resources?
power generation, agriculture, human health
agriculture, human health, contamination
power generation, soil erosion, human health
clean water, human waste, agriculture
35
What is the chemical formula for water?
2HO
HO2
H2O
H2O2
36
An atom is the smallest part of a/an ____.
compound
molecule
solution
element
37
Which of the following can be broken down into simpler substances by chemical action?
solutions
mixture
element
compound
38
___ is the only substance on Earth that commonly exists in all three states of matter.
Water
Helium
Hydrogen
Nitrogen
39
Two or more elements that are chemically combined is called a ____.
compound
mixture
molecule
solution
40
You can float a paper clip on water because of what property of water?
adhesion
cohesion
surface tension
capillary action
41
Most freshwater on Earth is found in the ____.
rivers and streams
lakes
glaciers and icecaps
oceans
42
Why does ice rise to the top of the liquid when placed in water?
it is less dense than water
the pressure of the water holds it up
it is colder than water
Gases inside the ice make it buoyant
43
The property of water that makes it stick to itself is called _____.
cohesion
surface tension
adhesion
capillary action
44
What does point "C" represent?
electron
nucleus
proton
neutron
45
A proton has which of the following charges?
magnetic
neutral
positive
negative
46
Most of Earth's water, about 97% is what type of water?
brackish water
freshwater
salt water
polar cap water
47
Hydration and oxidation are types of _____ weathering.
solar
chemical
rock
physical
48
Today scientists know that the "structure" of an atom is a/an ______.
solid ball
planetary model
electron cloud
empty ball
49
What area would least likely attract human settlement?
spring
desert
river
lake
50
Elements can be represented by ____.
protons
compounds
electrons
chemical symbols
