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Sample Unit - Texas ESL for Longman Cornerstone and Keystone

Sample Unit - Texas ESL for Longman Cornerstone and Keystone

Sample Unit - Texas ESL for Longman Cornerstone and Keystone

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temperature is a<br />

measure of how hot or<br />

cold something is.<br />

When water gets hot, it boils.<br />

then, water will evaporate <strong>and</strong><br />

change into a vapor or gas.<br />

Practice<br />

Make flashcards to help you memorize the words.<br />

• Write a key word on the front.<br />

• On the back, write the meaning.<br />

Make Connections<br />

▲<br />

These two pictures show<br />

water. Which picture<br />

shows water at a hotter<br />

temperature?<br />

What things in your home use electricity ? How are they<br />

important in your life?<br />

▲<br />

W B<br />

51<br />

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