Eyes
Why do some people like Ms. D and Mystery Doug have to wear glasses?
Their retinas are too close or too far
Besides moving you muscles, name two other things your brain is in charge of in your body
Memory, dreaming, problem solving, interpreting information, telling our organs to do their jobs, etc.
How many hours of sleep should children our age get each night?
9-12 hours
What does the word "optical" mean?
Relating to the eye
What is the pupil and what allows it to dilate?
The pupil is a hole in the eye; the muscle in the iris allows it to move
How are we able to trick our brains into believing there is a hole in our hand?
Have one eye look through a hole and the eye look at your hand- your brain gets confused because your eyes are looking at two different things so it combines the images
Besides screen time, name two things that can negatively affect your sleep
Caffeine, nightmares, stress, sleeping in an unfamiliar place, etc.
Where does the word "iris" come from and how does it relate to our eyes?
Iris is the Greek Goddess of Rainbows; the iris of our eyes can be any color, just like a rainbow
Give two reasons why animals like cats, cows, and raccoons are able to see at night better than humans can
They have bigger pupils, no whites of their eyes, and a reflective retina
Why is it more challenging for us to say the name of the color a word is written in than it is to say the name of the color spelled?
Our brain is used to reading words as they are written and takes more time to process the color used
Describe two ways screen time can have a negative effect on your sleep
Blue light makes it difficult to fall asleep, it is too stimulating, it can be addictive making it difficult to put down
What would cause blindness in which a person would see nothing at all?
Damage to the retina or optical nerve
Describe two things that would happen if you didn't have a cornea lens
Dust would get into the pupil and damage the eye; you would only be able to see light and shadow
What role do nerves have in the functioning of our brains and our ability to move?
Nerves send signals to and from our brain and senses allowing us to process what we experience and move in response
Name two ways a lack of sleep can negatively affect your brain
Slow reaction time, hallucinations, trouble focusing
Name one brain disorder that Ms. D has
Anxiety and depression
Explain how the eye is able to see using the following vocab words: cornea lens, retina, pupil
Light travels through the cornea lens into the pupil and reflects an image onto the retina
What is the difference between sensory nerves and movement nerves?
Sensory nerves take in information from our surroundings and relay signals to the brain; movement nerves receive signals from the brain and use them to respond to our surroundings
What is narcalepsy?
A sleep disorder in which you are constantly sleepy and may fall asleep at any point without warning
What neurological condition does Jane Goodall have that makes it difficult for her to talk to people?
She can't recognize faces