Grade 1InformationalRI.1.5145 words

How Your Eyes Stay Wet

Headings, a caption, and a glossary help readers learn how tears and eyelids keep eyes wet.

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The front of each eye needs to stay wet. Tears help keep it wet. You can use the headings below to find out more.

The heading Wet Eyes tells about tears. Your eyes make tears even when you do not cry. These tears form a thin wet coat over your eyes.

The heading A Quick Blink tells how a blink helps. An eye can feel dry. When you blink, your eyelids close and open. Each blink spreads tears across your eyes. This helps keep them wet.

The heading Rest Time tells about sleep. Your eyelids stay closed while you sleep. They help keep your eyes from drying out.

A drawing shows an eye with its lid closed. The caption under it says, "The lid is shut during a blink."

The glossary tells what a word means. Eyelids are folds of skin that cover your eyes.