Why Do We Blink?
The Big Idea
Discover the ingenious biological windshield wipers that protect your vision. Learn how blinking keeps your eyes clean and moist, while granting your hardworking brain thousands of tiny mental breaks throughout the day.
Key Vocabulary & Concepts
Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding why do we blink? important in everyday real life?
- What variable or factor had the biggest impact when testing the simulation?
- How does this concept connect to another science topic you have learned about?
Why Do We Blink?
Discover the ingenious biological windshield wipers that protect your vision. Learn how blinking keeps your eyes clean and moist, while granting your hardworking brain thousands of tiny mental breaks throughout the day.
Redirecting to /wonders/why-do-we-blink/watch...
Related Wonders
EarthOptical Illusions
Challenge your perception with the world of optical illusions. Discover the fascinating visual tricks that reveal how your brain makes assumptions to interpret the world, often seeing things that aren't actually there.
HumanHow Do We Taste Food?
Discover the powerful chemical sensors living on your tongue. Learn how thousands of tiny taste buds work with your sense of smell to decode the flavors of your favorite foods and protect you from danger.
HumanWhat Causes Brain Freeze?
Understand the intense, short-lived sharp pain of a brain freeze. Discover how your trigeminal nerve gets confused by extreme cold on the roof of your mouth and learn the fastest biological trick to stop the freeze.