Glossary
View All Words
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
A
B
C
crater
crust
D
E
F
G
H
I
igneous
J
K
L
lava
M
magma
mantle
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
igneous
meaning that the rock has formed from the cooling and hardening of lava
Select this then click anywhere in the book to start reading text
Speak the current selection
Stops speech playback
Double-click a word in the book and click this icon to translate the word into Spanish
Glossary