Earth Theme Unit

Sample Earth Theme Unit Worksheet
Earth Theme Unit

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Name _____________________________

Date ___________________

Earth
(Answer ID # 0599968)
Complete the puzzle.

1						7
9
					10		6
				5
	4
		2	3
8


							11

ocean-floor	float	hottest	mantle
volcano	plate	crust	outer
three	energy	core	inner

Down

1.	A new ____ crust can form when two plates move apart from each other.

2.	The core is Earth's ____ layer.

3.	The thickest layer of Earth. This layer is below the crust.

4.	A ____ can form when one plate is pushed below another plate.

5.	One of the sections that make up the surface of Earth. This is between 30 and 150 miles thick and it floats on the mantle.

6.	When two plates collide, ____ is released.

7.	The deepest layer of Earth.

Across

1.	The ___ core is made mostly of hot, liquid metal.

8.	Earth's plates ____ on the mantle.

9.	The layer of Earth that we walk on.

10.	Earth is made up of ____ main layers.

11.	The ___ core is made mostly of iron and nickel. This is thought to be the hottest layer.

Answer Key 0599968