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Nervous System for Kids

The Human Nervous System Worksheet for Grades 3 - 8


The Nervous System for Kids Lesson is from the MatchCard Science Human Anatomy Unit Study for
Grades 3 - 8. Students learn about the function of the brain, spinal cord, and nerves.

science worksheet


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Nervous System for Kids MatchCard

Objective: Describe the functions of the major parts of the nervous system:
  • brain
  • spinal cord
  • motor nerves
  • sensory nerves.
MatchCard: Download below.

The MatchCard Information Pieces identify the name and describe the function of the brain, spinal cord, motor nerves and sensory nerves.

Ideas for projects are listed on the instructor's page and below.



Print the Nervous System Diagram and Worksheet

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This is MatchCard #9 of the Human Anatomy Unit Study. Match the names and descriptions to the nervous system diagram on Page 1.



Learn the Parts of the Human Nervous System

The Human Nervous System MatchCard teaches students the function of the major parts of the nervous system.

Brain

The brain is the control center of the human body. It takes in all the messages coming into it and sends out orders to all other parts of the body.

To put it in scientific terms, the brain:
  • integrates incoming signals
  • regulates body functions

How smart do you think you would be without your brain?


>Spinal Cord

The spinal cord is a bundle of long nerves. It connects the brain to all the nerves in the skin and the organs of the body.

The spinal cord carries messages to and from the brain.

Have you ever noticed the vertebrae on a skeleton? You can see much of the backbone if a person bends over without their shirt on. The backbone has a serious job to do. It protects the very important spinal cord.


Sensory Nerves

You have heard of your five senses: smell, taste, sight, hearing, touch.


It is the sensory nerves that take the messages received from your environment and relay the information to your brain. Without those sensory nerves, you would not have any of the five senses.

Motor Nerves

The motor nerves carry a message from your brain telling you to move your bones and muscles. You would never get anywhere without them.


Projects and Activities for the Nervous System

Discussion Question

Why do people jump when they see a small black thing moving up the wall out of the corner of their eye? The same person would not jump if they saw curtains blowing in the wind.

Have you ever done a "double-take?" Describe it. What part did your nervous system play in that situation?


Blink Reflex

Teacher’s Note: Be prepared to snap your fingers or clap your hands in front of the student’s face unexpectedly. The idea is to initiate the blink reflex, not to scare the student.

Discussion: Why did you blink? The blink reflex gets activitated very easily if something unexpectedly comes near our face. Why? Your eyes are important and they are fairly easily injured. Your body needs to protect them “in the blink of an eye.” You don’t have time to sit and think if something may be dangerous to your eyes; you just blink.


Check Those Reflexes

You may need to sit on a table or counter to make this next reflex work.

With your leg dangling, try to initiate the knee reflex by tapping briskly on the area right below the knee.

Describe what the sensory nerves and motor nerves are doing.


Sensory Stimulation

Place one of these objects in the hand of a blind-folded partner:
  • key
  • coin
  • paper clip
  • piece of cereal.
Can they identify the object?


Differentiation

Differentiation refers to the ability of a person's nervous system to detect the touch of an object on their skin. In this case, it detects the ability to determine if one or two objects are touching them. If the two items are close together on the skin, there may only be one nerve stimulated. It then feels like only one object is touching the skin instead of two.

Take two sharp pencil points and touch them one inch apart on the palm of a blindfolded partner. How many points do they feel? Bring the two points closer together until they feel only one point.

With all of the above activities, trace what is happening in sensory nerves, the spinal cord, brain and motor nerves.

Science Experiment with differentiation.


Integration

Here is a fun way of exploring more about the nervous system for kids. Play an action game and then have them reflect on how their sensory and motor nerves worked to help them play the game. Here are a few choices of games that would work well:
  • Twister
  • Pick Up Sticks
  • Jump Rope
  • Blind Mans Bluff
Afterwards, lead a discussion on how their brain was quickly integrating all the different messages at one time.



MatchCard Science

How To Use MatchCards

MatchCard Science Cover

MatchCards make science concepts and corresponding vocabulary interactive. As students move the information pieces on the MatchCards they review the material they have already learned.

Download the FREE MatchCard Science Instructor's Guide and see how MatchCards can make building their science knowledge base fun.

Human Anatomy Unit Study

Human Anatomy Unit Study Cover

From cells to systems, kids will learn learn fun things about how their body works. 12 different human anatomy systems are covered.

Download the entire Human Anatomy Unit Study

12 Science Unit Studies

MatchCard Science Cover



Chemistry is only one of twelve complete unit studies for kids in 3rd to 8th grade.

Comprehensive objectives, hands-on projects, suggested science fair experiments, and the fun game-like MatchCards keep them interested in learning science. See all twelve MatchCard Science Unit Studies.




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