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RIC-6946 The Comprehension Box 1 - Sample student cards

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Orange 3<br />

1<br />

2<br />

3<br />

Popcorn is a food that many people like to eat. It is a tasty snack you<br />

can buy or make yourself.<br />

Popcorn is a type of corn. When heated up, it explodes and puffs up.<br />

So what makes popcorn explode?<br />

<strong>The</strong> secret to popcorn’s pop is ... water! <strong>The</strong>re is some water inside<br />

a kernel of popcorn. On the outside of each kernel is a hard shell.<br />

When the kernel gets very hot, the water inside starts to turn into<br />

steam. <strong>The</strong> steam can’t get out because of the hard shell. <strong>The</strong> steam<br />

pushes on the hard shell until … POP! <strong>The</strong> hard shell explodes! <strong>The</strong><br />

inside of the kernel puffs out, white and fluffy. And it is ready to eat!<br />

©R.I.C. Publications<br />

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steam<br />

R.I.C. Publications ® <strong>Comprehension</strong> box 1 (33)<br />

Prim-Ed Publishing

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