Everyday mysteries
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3. Where does the bathwater go?
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Readers will follow the mail as it goes through the post office and processing plant, where it's prepared for the rest of its journey. The informative text and accompanying photographs in this book bring readers along for the incredible trip. A concluding diagram helps readers summarize what they've read using fun and colorful images.
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In the past few decades, light bulb technology has gotten better. Not only have compact fluorescent light bulbs become available and affordable, but federal guidelines have caused incandescent light bulbs to become more efficient, too. Readers learn about both kinds of light bulbs, how they work, and their differences. They'll find an introduction to important science curriculum concepts such as circuits and environmental impact. The main content...
8. How is paper made?
9. What happens when I flush the toilet?
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There are, a lot of ways to start a fire: flint and steel, matches, a magnifying glass and sunlight. However it starts, all fire needs oxygen, fuel, and heat. To some, it may almost seem like magic, but there's a complicated chemical, reaction taking place when a fire is lit! Readers learn what makes fire burn, simply through age-appropriate language and content. Full-color photographs complement the main content and are followed by an illustrated...
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It's disappointing to open a container of strawberries only to see green fuzz covering them. Even worse is pulling out moldy cheese for a sandwich! Fruits and vegetables actually begin breaking down the minute they're picked. With more packaged food, like meat, cheese, and bread, this begins right when the seal is broken-or before if it's been on the shelf too long! Bacteria are the main culprits of food going bad, as readers learn in this book. Up...