Where does the water cycle get energy to move water through the water cycle.
Lesson 2.01
Question 1 options:
the Sun
snow
the center of the Earth
volcanos
Question 2 (1 point)
How does the sun impact evaporation?
Lesson 2.01
Question 2 options:
The sun forms bonds that bring the water molecules back into liquid form.
The sun breaks the bonds that hold liquid water's molecules together.
The sun heats the ice in clouds to form rain or snow.
Question 3 (1 point)
Select all of the ways collection areas use to gain water.
Lesson 2.02
Select 2 correct answer(s)
Question 3 options:
runoff from precipitation
water evaporates from the collection area
precipitation falls direction into the collection area
Question 4 (1 point)
Which one of these is not a human effect on the water cycle?
Lesson 2.02
Question 4 options:
Storm water runoff carries pollution
Precipitation is increasing in deserts due to an increase in water use
Air pollutants wash onto land and water bodies from precipitation
Developed areas prevent soil from absorbing rainwater
Question 5 (1 point)
How much of Earth's water is drinkable water?
Lesson 2.02
Question 5 options:
100%
3%
25%
97%
Question 6 (1 point)
SELECT ALL of the statements that correctly describe groundwater.
Lesson 2.03
Question 6 options:
an example is an aquifer
water between soil and rock particles
found underground
found in oceans
Question 7 (1 point)
Select the word that means how easily water can move through a substance.
Lesson 2.03
Question 7 options:
permeability
particles
porosity
sediment
Question 8 (1 point)
This picture shows different amounts of space in between the particles of two different soil samples. Which word best describes what we are seeing?
Lesson 2.03
large and small pore spaces in soil
Question 8 options:
permeability
porosity
particulate
sediment
Question 9 (1 point)
Everyone lives in a watershed.
Lesson 2.04
Question 9 options:
True
False
Question 10 (1 point)
What is the name for the land area where all rain runs downhill to a certain point?
Lesson 2.04
Question 10 options:
collection
ocean
watershed
estuary
Question 11 (1 point)
What is an aquifer?
Lesson 2.03
Question 11 options:
natural underground storage area
a type of surface water
pore space in the rock and soil layer beneath our feet
precipitation that soaks through the surface soil
Question 12 (1 point)
Why are watersheds important for the maintenance of water quality?
Lesson 2.04 Day 2
Question 12 options:
they can trap water in a parking lot
Answers: 1
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Answers: 3
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Answers: 1
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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
Where does the water cycle get energy to move water through the water cycle.
Lesson 2.01
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