Tar Heel Reader
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Is the Train Fast?
10
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Spring Is All Around
11
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Liquids
18
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Gas
13
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Solids
15
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Atoms
14
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Jungle Animals
11
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Maps
9
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From Pumpkin to Jack-o-Lantern
14
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Wonderful Worms
10
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X-Egg-ly
25
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Space Travel
8
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How Does It Fly?
8
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What Can Fly?
7
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Planets in Space
10
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Economics
8
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Angry Birds
14
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Bacteria
15
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The Water Cycle
16
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The Atmosphere
13
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Continental Drift and Plate Tectonics
14
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Computer Functions
14
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How we use computers
15
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Three Elements
25