2 Earth’s Inside Like an Egg What does Earth have in common with a hard boiled egg Compare the two on page 14 3 Spin Your Earth Color the layers inside Earth and spin your world page 16 4 A Jarful of Layers To create a jar model of Earth's layers follow the recipe on page 18 5 Solid and Liquid Like the Mantle Is it possible for a substance to be both solid and liq uid at the same time Make your own semisolid mix ture page 20 and feel for yourself 6 Core Sampling Cupcake Have you ever wondered how geologists learn what is inside Earth Take a cupcake core sample page 22 to learn how it's done 7 Slow Floating plates Watch your graham cracker plates collide slide and glide into each other just like Earth's plates follow ing the directions on page 24 8 Make a Model Earth's crust Make a model of Earth's crust inside a plastic food container You'll need a package of Jell O with the Jig glers recipe on it pie dough and a little bit of frost ing to make the cool model on page 26 9 From One to Seven Amazing Continents Break apart your own continents and then put the puzzle back together again page
10 Baking Mountains and Valleys How does a baked apple resemble Earth Bake your own apple and watch how it changes page 30 11 Fold a Mountain Flip to page 32 and fold a towel mountain to learn how many magnificent mountains are formed 12 Fold Dome Block and Volcano Mold four different types of mountains page 34 13 Match Up What s That Continent Can you name all the continents Test your knowl edge as you try to make a bingo on page 37 Wonderful Words from How Earth Is Put Together Block Mountains Block mountains are formed when pressure from deep inside Earth lifts a block of land up from between cracks faults in Earth's crust Continents Today's continents are seven huge areas of land that slowly move on top of Earth's plates They are Africa Antarctica Asia Australia Europe North America and South America Crust This is the thin layer of rock that covers Earth's outer surface Continental crust is the thickest part of Earth's crust Oceanic crust is the thinnest part of
the crust The outer portion of Earth's crust is always changing The bottom of the crust is very hot Dome Mountains Dome mountains are formed when hot volcanic magma rises from deep inside Earth forcing the crust into a dome shape Fold Mountains Fold mountains are formed when the rock between two of Earth's plates folds upward as the plates push against each other Geology Geology is the study of what Earth is made of and how its structure changes over time Inner Core The inner core is a very hot solid metal ball found at Earth's center Some scientists believe that the inner core is made of iron and nickel Mantle The mantle is a very thick layer of rock found right under Earth's crust It is made of solid rock at the top and melted rock at the bottom where it meets Earth's outer core Mountains Mountains are areas of Earth's crust that are at least two thousand feet above sea level Mountains cover one fourth of Earth's crust Outer Core This is a layer of hot liquid iron and nickel found right beneath Earth's mantle and above the inner
