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Name: _________________________________________ Per: _______Date: ___________________
Function Concepts/WS Intro to Relations and Functions
x 2 4 5 9
y -2 0 2 4
x -3 1 3 5
y 0 1 2 3
WORKSHEET – DOMAINS AND RANGES OF
RELATIONS AND FUNCTIONS
Part 1 – Identify Domains, Ranges, and Functions. Identify the domain and range of
each relation given below. Then determine if the relation represents a function.
Record your answers in the appropriate spaces provided for each problem.
1. {(2, 3), (-1, 5), (0, -1), (3, 5), (5, 0)}
Domain: ___________________________
Range: ____________________________
Function: yes no
2. 3.
Domain: _________________________ Domain: ____________________________
Range: __________________________ Range: _____________________________
Function: yes no Function: yes no
4. 5.
Domain: _________________________ Domain: ____________________________
Range: __________________________ Range: _____________________________
Function: yes no Function: yes no
Name: _________________________________________ Per: _______Date: ___________________
Function Concepts/WS Intro to Relations and Functions
Part 2 – Different Representations. Read each problem carefully and perform the
indicated task. Also, for each problem, determine if the relation given represents a
function and record your answers in the appropriate spaces provided for each
problem.
6. Rewrite the relation given to the right as a set of
ordered pairs.
Answer:
_________________________________________
Function: yes no
7. Graph the relation given below on the coordinate plane to the right.
x -5 -4 -3 0 3 4 5
y -4 -2 -1 0 -1 -2 -4
Function: yes no
8. Construct a mapping diagram in the space below to represent the following set of ordered pairs.
(2, -1), (3, 2), (5, 4), (3, -1), (6, 5)
Mapping diagram:
Function: yes no
9. Create a table that is equivalent to the relation graphed on the
coordinate plane to the right.
Table:
Function: yes no
© 2006 mathwarehouse.com
Relation, Function, Domain & Range Based on Online Lesson @: mathwarehouse.com/algebra/relation/math-function.php Part I 1) What is the domain and range of the following relation? { (-1,2), (2, 51), (1, 3), (8, 22), (9, 51) } domain:______ range:______ 2) What is the domain and range of the following relation? { (-5,6), (21, -51), (11, 93), (81, 202), (19, 51) } domain:______ range:______ 3) What is the domain and range of the following symbolic relation?
domain:________ range:______ Part II 1) Which relations below are functions? _________
Relation #1 { (-1,2), (-4,51), (1,2), (8,-51) } Relation #2 { (13,14), (13,5) , (16,7), (18,13) } Relation #3 { (3,90), (4,54), (6,71), (8, 90) }
2) Which relations below are functions? _______________ Why?
Relation #1 { (3,4), (4,5), (6,7), (8,9) } Relation #2 { (3,4), (4,5), (6,7), (3,9) } Relation #3 { (-3,4), (4,-5), (0,0), (8,9) } Relation #4 { (8, 11), (34,5), (6,17), (8,19) }
3) Which relations below are functions? _______________ Why?
Relation #1 { (3,4), (4,5), (6,7), (3,-9) } Relation #2 { (3,4), (4,5), (6,7), (5,4) } Relation #3 { (0,4), (4,-5), (0,0), (8,9) } Relation #4 { (8, 11), (34,5), (6,17), (6,19) }
4) For the following relation to be a function, X cannot be what values?
{ (8, 11), (34,5), (6,17), (X ,22) }
5) For the following relation to be a function, X cannot be what values?
{ (12, 13), (-11, 22), (33, 101), (X ,22) } 6) For the following relation to be a function, X can not be what values?
{ (12,14), (13,5) , (-2,7), (X,13) } 7) For the following relation to be a function, X can not be what values? { (13,14), (12,5) , (16,7), (X,13) }
Alex states that the relation below is not a function. Lillian says that it is a function. Who is correct? Explain your reasoning. Relation { (13,14), (12,5) , (16,7), (13, 14), (-2, 33), (13, 14 } Explanation: Answers to Questions and an accompanying online lesson available @: Based on Online Lesson @: www.mathwarehouse.com/algebra/relation/math-function.php
© 2006 www.mathwarehouse.com All Rights Reserved Commercial Use Prohibited TEACHERS: Feel free to make copies of this worksheet for the sole purpose of use in your own classroom. ENJOY!!!
Relation, Function, Domain & Range Group Activity Group Members:
Introduction to Functions Activity Activity Task #1) Write a relation that is not a function with at least 6 ordered pairs: Task #2) Write a function with at least 6 ordered pairs: Task #3) Now on separate, blank sheet of paper, copy down both of the relations, and ask another person in your group to
1) Identify which relation is the function 2) Explain why the other relation is not a function.
Task #4) Compare your answers. Task #5) After you have both agreed upon an answer, explain what prevented the one relation from being a function. © 2006 www.mathwarehouse.com All Rights Reserved Commercial Use Prohibited TEACHERS: Feel free to make copies of this worksheet for the sole purpose of use in your own classroom. ENJOY!!!
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Kuta Software - Infinite Pre-Algebra Name___________________________________
Period____Date________________Area of Squares, Rectangles, and Parallelograms
Find the area of each.
1) 2 m
7.7 m
2)
1 in
1 in
3) 6.9 in
2.4 in
4) 6 in
8 in
5) 1.5 yd
4 yd
6)
4 in
5.9 in
7)
18.7 yd
6 yd
18.7 yd
8)
5.8 m
6 m
5.8 m5 m
6 m
-1-
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9)
3 m 6.6 m
10)
14.9 ft
15.1 ft
14.9 ft
7 ft
15.1 ft
11)
10.2 cm
14.2 cm
10.2 cm
12)
18.8 m
15.2 m20 m
13)
18 in
19 in
18 in
19 in
14)
18 mi 18 mi
18 mi
-2-
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Kuta Software - Infinite Pre-Algebra Name___________________________________
Period____Date________________Area of Squares, Rectangles, and Parallelograms
Find the area of each.
1) 2 m
7.7 m
15.4 m²
2)
1 in
1 in
1 in²
3) 6.9 in
2.4 in
16.56 in²
4) 6 in
8 in
48 in²
5) 1.5 yd
4 yd
6 yd²
6)
4 in
5.9 in
23.6 in²
7)
18.7 yd
6 yd
18.7 yd
112.2 yd²
8)
5.8 m
6 m
5.8 m5 m
6 m
30 m²
-1-
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9)
3 m 6.6 m
19.8 m²
10)
14.9 ft
15.1 ft
14.9 ft
7 ft
15.1 ft
105.7 ft²
11)
10.2 cm
14.2 cm
10.2 cm
144.84 cm²
12)
18.8 m
15.2 m20 m
304 m²
13)
18 in
19 in
18 in
19 in
342 in²
14)
18 mi 18 mi
18 mi
324 mi²
-2-
Create your own worksheets like this one with Infinite Pre-Algebra. Free trial available at KutaSoftware.com
©n Z2j041E2w XK2uhttaL GSbodfKtvwja5rpeD NLFLICO.v n aAXl8ly lrbiggJhWtmsl lrre6scevrxvqeadB.6 6 0Mwa8dKeL owqipteho JIhnUffiEnjijtgeq 3PurMeT-ZA4l1gmeLbdrHa1.0 Worksheet by Kuta Software LLC
Kuta Software - Infinite Pre-Algebra Name___________________________________
Period____Date________________Circles
Find the circumference of each circle. Round to the nearest tenth.
1)
4.5 m
2)
5 cm
3)
14 in
4)
30.2 cm
5)
16.8 cm
6)
26 cm
7) radius = 12 yd 8) radius = 5.5 mi
-1-
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Find the area of each. Round to the nearest tenth.
9)
12 ft
10)
10 cm
11)
8 m
12)
4 m
13)
20 yd
14)
34 ft
15) radius = 8 ft 16) radius = 5 cm
Find the diameter of each circle.
17) area = 4
π in² 18) area = 49
π yd²
19) circumference = 162
π yd 20) circumference = 30
π yd
-2-
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Kuta Software - Infinite Pre-Algebra Name___________________________________
Period____Date________________Circles
Find the circumference of each circle. Round to the nearest tenth.
1)
4.5 m
28.3 m
2)
5 cm
31.4 cm
3)
14 in
88 in
4)
30.2 cm
94.9 cm
5)
16.8 cm
52.8 cm
6)
26 cm
81.7 cm
7) radius = 12 yd
75.4 yd
8) radius = 5.5 mi
34.6 mi
-1-
©Z B2l0w1u2C 4KouCtyaJ fSxosfQt9wvaTrLeS JL6LkCQ.B A aAzlmlA Xrei6gJh3tNsJ Xr7e0speCrbvYeodz.p o WM8atdYe4 MwriHtThs FIPn3fmi1nyiyt3ez rPbrXeF-aA8l2gOeObXrYau.x Worksheet by Kuta Software LLC
Find the area of each. Round to the nearest tenth.
9)
12 ft
452.4 ft²
10)
10 cm
314.2 cm²
11)
8 m
201.1 m²
12)
4 m
12.6 m²
13)
20 yd
314.2 yd²
14)
34 ft
907.9 ft²
15) radius = 8 ft
201.1 ft²
16) radius = 5 cm
78.5 cm²
Find the diameter of each circle.
17) area = 4
π in²
4 in
18) area = 49
π yd²
14 yd
19) circumference = 162
π yd
162 yd
20) circumference = 30
π yd
30 yd
-2-
Create your own worksheets like this one with Infinite Pre-Algebra. Free trial available at KutaSoftware.com
©J R2i0Q1Z2B 7KduetFaK zStotf4tTw5aCrrev ZLRLnCl.n t RAOlMlT 2rOiIg0hHtEsz CrqeIs5eVrLvrerdK.Y I TM0aqdDe5 wwzihtHh7 zIRnkf3itnai8txeK BGZenoOmgeGttriyn.X Worksheet by Kuta Software LLC
Kuta Software - Infinite Geometry Name___________________________________
Period____Date________________Circumference and Area of Circles
Find the area of each. Use your calculator's value of
ππππ. Round your answer to the nearest tenth.
1)
12 in
2)
14 km
3)
9 m
4)
11 cm
5) radius = 2.6 in 6) radius = 34.1 in
7) radius = 13.2 km 8) radius = 29.9 km
Find the circumference of each circle. Use your calculator's value of
ππππ. Round your answer to the
nearest tenth.
9)
8 mi
10)
8.3 yd
-1-
©W B2D0G1d24 nKju8tXaY OSzo7f3ttw3a4rQe6 fL9LHCR.B G DAclqlO BriiOgHh2tRsG brZebseeErBvoeNdP.6 D IMyakdkeJ PwOibt0hY iIpnyfrilnyiGtret oGBeNo1m6eLtirryh.t Worksheet by Kuta Software LLC
11)
4.2 yd
12)
6.2 mi
13) radius = 5.2 ft 14) radius = 11.1 ft
15) radius = 9.5 in 16) radius = 9.3 in
Find the radius of each circle. Use your calculator's value of
ππππ. Round your answer to the nearest
tenth.
17) circumference = 62.8 mi 18) circumference = 69.1 yd
19) circumference = 12.6 yd 20) circumference = 25.1 ft
Find the diameter of each circle. Use your calculator's value of
ππππ. Round your answer to the nearest
tenth.
21) area = 201.1 in² 22) area = 78.5 ft²
Find the circumference of each circle.
23) area = 64
π mi² 24) area = 16
π in²
Find the area of each.
25) circumference = 6
π yd 26) circumference = 22
π in
Critical thinking question:
27) Find the radius of a circle so that its area
and circumference have the same value.
-2-
©G 82A0R1z2e 2KOuTtIaI UStoSfDtYwxaDrFeo uLFLRCr.C X gAMlslS PrziTg9hptOsg RrCe5saeBr5v2evd3.P 3 bMrapdieW owmiYtyhD bIPnFf0iunQintxex WGGe3oWmVeFtvrJyH.l Worksheet by Kuta Software LLC
Kuta Software - Infinite Geometry Name___________________________________
Period____Date________________Circumference and Area of Circles
Find the area of each. Use your calculator's value of
ππππ. Round your answer to the nearest tenth.
1)
12 in
452.4 in²
2)
14 km
615.8 km²
3)
9 m
254.5 m²
4)
11 cm
380.1 cm²
5) radius = 2.6 in
21.2 in²
6) radius = 34.1 in
3653.1 in²
7) radius = 13.2 km
547.4 km²
8) radius = 29.9 km
2808.6 km²
Find the circumference of each circle. Use your calculator's value of
ππππ. Round your answer to the
nearest tenth.
9)
8 mi
50.3 mi
10)
8.3 yd
52.2 yd
-1-
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11)
4.2 yd
26.4 yd
12)
6.2 mi
39 mi
13) radius = 5.2 ft
32.7 ft
14) radius = 11.1 ft
69.7 ft
15) radius = 9.5 in
59.7 in
16) radius = 9.3 in
58.4 in
Find the radius of each circle. Use your calculator's value of
ππππ. Round your answer to the nearest
tenth.
17) circumference = 62.8 mi
10 mi
18) circumference = 69.1 yd
11 yd
19) circumference = 12.6 yd
2 yd
20) circumference = 25.1 ft
4 ft
Find the diameter of each circle. Use your calculator's value of
ππππ. Round your answer to the nearest
tenth.
21) area = 201.1 in²
16 in
22) area = 78.5 ft²
10 ft
Find the circumference of each circle.
23) area = 64
π mi²
16
π mi
24) area = 16
π in²
8
π in
Find the area of each.
25) circumference = 6
π yd
9
π yd²
26) circumference = 22
π in
121
π in²
Critical thinking question:
27) Find the radius of a circle so that its area
and circumference have the same value.
r = 2
-2-
Create your own worksheets like this one with Infinite Geometry. Free trial available at KutaSoftware.com
©W I2w0b1U2o mKIu1t8aF 0SJoIfNtXw2aPrreF WL6LFC4.D A AAJl1lR irWikgehgt0s2 Tr4eUs7etr7vqexd1.U Q oMjaYdDeN 1weiXt1h2 lIknvfvianEiQtGeW GGueFo6mte3tirLyh.8 Worksheet by Kuta Software LLC
Kuta Software - Infinite Geometry Name___________________________________
Period____Date________________All Transformations
Graph the image of the figure using the transformation given.
1) rotation 90° counterclockwise about theorigin
x
y
J
Z
L
2) translation: 4 units right and 1 unit down
x
y
Y
F
G
3) translation: 1 unit right and 1 unit up
x
y
E
J
T
M
4) reflection across the x-axis
x
y
M
C J
K
Write a rule to describe each transformation.
5)
x
y
H
C
B
H'
C'
B'
6)
x
y
P
D
E
I
D'
E'
I' P'
-1-
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7)
x
y
E
R
F
I
R'
F'
I'
E'
8)
x
y
X
B
G
X'
B'
G'
Graph the image of the figure using the transformation given.
9) rotation 90° clockwise about the origin
B(−2, 0), C(−4, 3), Z(−3, 4), X(−1, 4)
x
y
10) reflection across
y =
x
K(−5, −2), A(−4, 1), I(0, −1), J(−2, −4)
x
y
Find the coordinates of the vertices of each figure after the given transformation.
11) rotation 180° about the origin
E(2, −2), J(1, 2), R(3, 3), S(5, 2)12) reflection across
y = 2
J(1, 3), U(0, 5), R(1, 5), C(3, 2)
13) translation: 7 units right and 1 unit down
J(−3, 1), F(−2, 3), N(−2, 0)14) translation: 6 units right and 3 units down
S(−3, 3), C(−1, 4), W(−2, −1)
-2-
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Kuta Software - Infinite Geometry Name___________________________________
Period____Date________________All Transformations
Graph the image of the figure using the transformation given.
1) rotation 90° counterclockwise about theorigin
x
y
J
Z
L
J'
Z'
L'
2) translation: 4 units right and 1 unit down
x
y
Y
F
G
Y'
F'
G'
3) translation: 1 unit right and 1 unit up
x
y
E
J
T
M
E'
J'
T'
M'
4) reflection across the x-axis
x
y
M
C J
K
C' J'
K'
M'
Write a rule to describe each transformation.
5)
x
y
H
C
B
H'
C'
B'
translation: 1 unit right
6)
x
y
P
D
E
I
D'
E'
I' P'
reflection across
x = 3
-1-
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7)
x
y
E
R
F
I
R'
F'
I'
E'
reflection across the x-axis
8)
x
y
X
B
G
X'
B'
G'
rotation 180° about the origin
Graph the image of the figure using the transformation given.
9) rotation 90° clockwise about the origin
B(−2, 0), C(−4, 3), Z(−3, 4), X(−1, 4)
x
y
B'
C'
Z'
X'
B
C
ZX
10) reflection across
y =
x
K(−5, −2), A(−4, 1), I(0, −1), J(−2, −4)
x
y
A'
I'
J'
K'
K
A
I
J
Find the coordinates of the vertices of each figure after the given transformation.
11) rotation 180° about the origin
E(2, −2), J(1, 2), R(3, 3), S(5, 2)
E'(−2, 2), J'(−1, −2), R'(−3, −3), S'(−5, −2)
12) reflection across
y = 2
J(1, 3), U(0, 5), R(1, 5), C(3, 2)
U'(0, −1), R'(1, −1), C'(3, 2), J'(1, 1)
13) translation: 7 units right and 1 unit down
J(−3, 1), F(−2, 3), N(−2, 0)
J'(4, 0), F'(5, 2), N'(5, −1)
14) translation: 6 units right and 3 units down
S(−3, 3), C(−1, 4), W(−2, −1)
S'(3, 0), C'(5, 1), W'(4, −4)
-2-
Create your own worksheets like this one with Infinite Geometry. Free trial available at KutaSoftware.com
4/10/2020 AIR Science Grade 8 - GradeBook
https://gb.omeresa.net/Quiz/Question/Summary?quizId=6241 1/11
PDF File(https://prodlib1.blob.core.windows.net/virtualclassroom/vlacontent/lesson12299/casci8u01earths_interior.pdf)
EARTH'S INTERIOR
Unit Overview
In this unit, the students will be given an overview and assessment of how the composition and properties ofEarth’s interior are identified by the behavior of seismic waves. (8.ESSS.1).
Content Elaborations
The refraction and reflection of seismic waves as they move through one type of material to another are used todifferentiate the layers of Earth’s interior. Earth has an inner and outer core, an upper and lower mantle, and acrust.
The formation of the planet generated heat from gravitational energy and the decay of radioactive elements,which are still present today. Heat released from Earth’s core drives convection currents throughout the mantleand the crust.
The matter is made up of atoms. Igneous, metamorphic and sedimentary rocks form in different ways anddifferent environments. Magma from Earth’s interior forms igneous rocks. Position and speed can be measuredand graphed as a function of time. Matter and energy can be transferred through Earth’s spheres. Energy can betransformed from one form to another. Thermal energy can be transferred through radiation, convection, andconduction. Electromagnetic waves transfer energy when they interact with matter.
Earth and other planets in the solar system formed as heavier elements coalesced in their centers. Planetarydifferentiation is a process in which more dense materials of a planet sink to the center, while less dense materialsstay on the surface. A major period of planetary differentiation occurred approximately 4.6 billion years ago.
Let’s Practice
Use the information from the Content Elaborations to complete this activity sheet(https://virtuallearningacademy.net/VLA/LessonDisplay/Lesson12299/Earth's%20Interior.pdf).
Earth and Space Science: Earth's Interior(8.ESS.1)
4/10/2020 AIR Science Grade 8 - GradeBook
https://gb.omeresa.net/Quiz/Question/Summary?quizId=6241 2/11
Which liquid should go in position A of the graduated cylinder based on the densities provided in the table?
Which liquid should go in position B of the graduated cylinder based on the densities provided in the table?
Which liquid should go in position C of the graduated cylinder based on the densities provided in the table?
Use the information in the graphic to answer the questions in this section.
1)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
2)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
3)
4/10/2020 AIR Science Grade 8 - GradeBook
https://gb.omeresa.net/Quiz/Question/Summary?quizId=6241 3/11
Which liquid should go in position D of the graduated cylinder based on the densities provided in the table?
Which liquid should go in position E of the graduated cylinder based on the densities provided in the table?
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
4)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
5)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
4/10/2020 AIR Science Grade 8 - GradeBook
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Which liquid best represents position A on the cross-section of the Earth?
Which liquid best represents position B on the cross-section of the Earth?
Which liquid best represents position C on the cross-section of the Earth?
E) liquid U
6)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
7)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
8)
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Which liquid best represents position D on the cross-section of the Earth?
Which liquid best represents position E on the cross-section of the Earth?
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
9)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
10)
A) liquid Q
B) liquid R
C) liquid S
D) liquid T
E) liquid U
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There is a change in density occurring at 30 km.
There is a liquid layer from 2,900 km to 5,200 km.
The densest material is found from 2,900 km to 5,200 km.
The densest material is found from 5,200 km to 6,300 km.
There is a boundary between solid and liquid layers at 30 km.
There is a density change that occurs at 2,900 km and 5,200 km.
The composition of Earth from its surface to its center 6,300 kilometer (km) down can be studied usingseismic waves. There are two basic types of seismic waves, S-waves and P-waves. Students studyingEarth's interior are given the following information about P and S waves and how they travel throughEarth.
S-waves travel only through solids.P-waves at 30 km depth change direction.P-waves can travel through solids and liquids.S-waves and P-waves are detected from 5,200 km to 6,300 km deep.P-waves, but no S-waves, are detected from 2,900 km to 5,200 km deep.S-waves and P-waves are detected from the surface (0 km) to 2,900 km deep.
For the questions in this section, determine if the statement can be concluded from this information.
11)
A) Yes
B) No
12)
A) Yes
B) No
13)
A) Yes
B) No
14)
A) Yes
B) No
15)
A) Yes
B) No
16)
A) Yes
B) No
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As the density of matter increases, it moves toward the lower mantle.
As the temperature of matter increases, it moves towards the lower mantle.
As the density of matter decreases, it moves toward the upper mantle.
As the temperature of matter decreases, it moves toward the lower mantle.
Aluminum
Convection currents in the mantle are driven by changes in the temperature and density of material. Forthe questions in this section, determine if the statement is True or False.
In a very young planet, also called a protoplanet, elements are distributed evenly throughout. As theprotoplanet ages, the elements separate, leading to the formation of layers with different elementconcentrations. Some of these elements are listed, along with their atomic masses and laboratorydensities. For the questions in this section, determine if the element listed would be found in the highestconcentration after the planet differentiates into layers A or B.
17)
True
False
18)
True
False
19)
True
False
20)
True
False
21)
A) layer A
B) layer B
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Calcium
Iron
Nickel
Silicon
Sodium
What statement about seismic waves is accurate?
Select the two processes that occur at mid-ocean ridges.
22)
A) layer A
B) layer B
23)
A) layer A
B) layer B
24)
A) layer A
B) layer B
25)
A) layer A
B) layer B
26)
A) layer A
B) layer B
27)
A) Seismic waves only relate to earthquakes.
B) Seismic waves have uniform motion within Earth's layers.
C) Seismic waves change speed when density changes in Earth'slayers.
D) Seismic waves determine differences in temperature in Earth'slayers.
28)
A) Material rises from the mantle to the crust.
B) Crustal rock subducts into the mantle and melts.
C) Sediments from the crust sink into the mantle.
D) Thermal energy rises from the mantle to the crust.
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Which statement describes the heat that results from the radioactive decay of elements deep in the Earth's interior?
Density Increases [Choose]
Density Decreases [Choose]
Temperature Increases [Choose]
Temperature Decreases [Choose]
Below are additional educational resources and activities for this unit.
Earth’s Structure (https://brainpop.statestandards.com/redirect.pl?aid=911901&sid=2724582) Plate Tectonics (https://brainpop.statestandards.com/redirect.pl?aid=911941&sid=2724583)Soil (https://brainpop.statestandards.com/redirect.pl?aid=911581&sid=2724582) Earthquake Game (https://brainpop.statestandards.com/redirect.pl?aid=2474871&sid=2724582)Volcanoes (https://brainpop.statestandards.com/redirect.pl?aid=911638&sid=2724582)
Earth and Space Science (https://quizlet.com/_5fwdr5)
Earth’s Interior (https://edcite.com/1j698b)
E) Tsunami waves transfer energy from the crust to the mantle.
29)
30)
A) It originally came from our sun
B) It is the reason the inner core is solid
C) It drives the convection currents in the mantle
D) It heats the atmosphere and makes life possible
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