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Science3 senses test
5 senses Unit test Grade 3
Question | Answer |
---|---|
True or False. The right side of your brain controls the left side of your body. | true |
True or False. The eardrum is a thin sheet of skin which separates the outer ear from the middle ear. | true |
True or False. The nerves carry messages to and from the brain. | true |
True or False. The retina is the nerve which sends the message of what you have just seen to your brain. | false it is the optic nerve |
True or False. It is all right to read a book when the light is not very bright. | false, only read when you have good light |
What vitamin is good for your eyes? | Vitamin A |
Where should light come from when you are reading? | above and behind |
If you were in a dark room, would the pupils of your eyes be small or large? Why? | Large, to let in more light to help you see. |
What carries messages to and from the brain? | the nerves and spinal cord |
True or False. Sound vibrations traveling through the air are called sound waves. | true |
True or False. Sound can travel through air, water, and solids. | true |
True or False. Taste and smell work together. | true |
True or False. Foods rich in vitamin A are good for your eyes. | true |
True or False. Your arms are more sensitive to touch than your finger tips. | false, your finger tips are more sensitive. |
What is your iris? | The colored part of your eye that has muscles to control the amount of light that enters the eye. |
What is your pupil? | The black center of the eye which is really a hole in the iris. |
What do your eyelids do? | Keep dust and other objects out of your eyes. |
What do your eyelashes do? | They work like window screens to keep dust from your eyes. |
What do tears do for your eyes? | They keep your eyes moist and wash dust and dirt from the eyes. |
What does the retina do? | It is the lens that focuses what we see to send it to the brain through the optic nerve. |
What is the most special part of God's creation? | people |
What are the 3 main parts of the nervous system? | brain, nerves, and spinal column |
What does the brain do? | It controls the whole body. |
Which side of the brain controls the right side of the body? | the left side |
What is the spinal column? | a bundle of nerve cells enclosed by the backbone. |
What bones protect our eyes? | the forehead and cheekbones |
What are some things the nervous system enables you to do? | feel, understand, learn, solve problems, remember, see, move, hear, smell |
Name some foods rich in vitamin A. | carrots, liver, cheese, peas, eggs, and peaches |
What are the tiny bones in the ear? | hammer, anvil, stirrup |
What nerve carries sound messages to the brain? | the auditory nerve |
What are sound waves? | sound vibrations traveling through the air |