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NJCA 3 Grade Science

Exploring God's World; 4th Ed.; Test 1; Ch. 1

When reading, where should the light come from? The light should come from above or behind.
T/F: Tiny holes in your skin are called "Pores". TRUE
What protects your finger tips? Fingernails
The two senses that work closely together are? Your taste and your smell Remember: Senses are touch, see, hear, smell and taste. The sense organs are skin, eyes, ears, nose and tongue.
Tiny particles of a substance is called... Molecules
T/F: There are only two parts to the ear, the inner ear and the outer ear. FALSE. The inner ear, the middle ear and the outer ear. Do you remember the name of the outer ear that sticks out from our head? It's the Auricle.
A bundle of nerve cells found in the backbone is called... Spinal Cord
The nervous system has three main parts - name all three! The nerves, the brain, and the spinal cord. The brain controls the entire body!
The protective crust that protects a cut is called what? Scab
Vibrate is to... Move rapidly back and forth.
Wow, his eyes are light brown like his dads'. What part of the eye am I talking about? The Iris The Iris is the part of the eye that is colored.
T/F: The dark center of the eye is called the "pupil". TRUE
What side of the brain controls what side of the body? The left side of the brain controls the right side of the body and the right side of the brain controls the left side of the body.
T/F: Let's read in the dark, it's okay? FALSE Reading in the dark or even in dimly lit areas can strain your eyes.
What is the eardrum? The eardrum is a thin sheet of skin that separates the outer ear from the middle ear.
T/F: Cleaning your auditory canal with a cotton swab is okay and NOT dangerous. FALSE Only parents or our doctors should put anything into our auditory canal. Clean your outer ear with a warm wash cloth only.
What are sound waves? Sound vibrations that travel through the air.
Sound can travel through three states of matter - name all three! Solids Liquids Gases
I surround the brain and protect it, incase the head is hurt in an accident. What am I? SKULL
T/F: I carry messages of what I've seen to and from the brain. What am I. Optic Nerve The Auditory Nerve carries messages of what we have heard to and from the brain. Do not get these two confused!!
What sense organ does vitamin A help? Your eyes
Created by: rudd76