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This engaging 250-word reading passage teaches fourth-grade students about the brain as the body's control center, aligned with NGSS standard 4-LS1-2 and Disciplinary Core Ideas LS1.A and LS1.D. Students discover how the brain controls movements, thoughts, feelings, and memories while processing information from the five senses. The passage explains the protective role of the skull and introduces the concept that different brain parts handle different jobs without requiring memorization of specific regions. Audio-integrated features support diverse learners, while Spanish translations ensure accessibility for bilingual students. The passage uses age-appropriate language and relatable examples to build foundational understanding of nervous system functions. Accompanying activities include comprehension questions, writing prompts, and graphic organizers that reinforce key vocabulary such as brain, control center, senses, messages, and skull. Students explore cause-and-effect relationships between sensory input and brain responses, preparing them for hands-on investigations about how the nervous system coordinates body functions. This resource supports elementary science instruction with differentiated reading levels, vocabulary support, and multiple assessment options suitable for diverse fourth-grade classrooms.
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Your brain acts as the body's central control center.
The brain is an organ inside your head that controls everything your body does. A control center is the main place where all decisions are made and all actions are directed. Your brain is like the control center of a spaceship, sending commands to every part of your body.
The brain controls your movements when you run, jump, or write. It also controls things you do not think about, like breathing and your heartbeat. When you touch something hot, your brain receives a message—information sent from one part of the body to another—from your skin and tells your hand to move away quickly. Your brain stores your memories, which are things you remember from the past, and helps you learn new things every day.
Your brain also receives information from your five senses: sight, hearing, smell, taste, and touch. These senses send messages to your brain about what is happening around you. Your brain decides what to do with this information. For example, when you see a ball coming toward you, your brain tells your arms to catch it.
Different parts of the brain handle different jobs, but they all work together. The skull, the hard bone that covers your brain, protects this important organ because the brain is soft and can be easily damaged.
Interesting Fact: Your brain contains about 86 billion nerve cells called neurons, and it uses about 20% of your body's energy even though it only makes up about 2% of your body weight!
What does the brain control?
Only your thoughts and feelingsOnly your movementsEverything your body doesOnly your breathing
What protects the brain?
The skullThe skinThe musclesThe senses
How many senses send messages to the brain?
Three sensesFour sensesFive sensesSix senses
Why does your hand move away from hot things?
Your hand moves by itselfYour brain receives a message and respondsYour skull tells it to moveYour memories make it move
What happens when you see a ball coming?
Your eyes catch the ball automaticallyYour skull protects you from the ballYour brain tells your arms to catch itYour memories help you avoid the ball
How do different parts of the brain work?
They work separately from each otherThey all do the same jobThey handle different jobs but work togetherOnly one part works at a time
The brain is soft and needs protection.
TrueFalse
What is a message in the body?
A thought you haveInformation sent between body partsA memory from the pastA bone that protects organs
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