Here is the completed solution for
Lincoln School – 5th Grade Science Worksheet #1.
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✔ A. Instructions: Answer the questions.
1. What do we call the control center of our bodies?
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The brain
✔ *Explanation:* The brain is often called the “control center” because it processes information from the senses, controls voluntary and involuntary actions, and manages thoughts, emotions, and memory.
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2. What three parts make up our nervous system?
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Brain, spinal cord, and nerves
✔ *Explanation:* The nervous system is divided into:
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Central Nervous System (CNS): Brain and spinal cord — process and send signals.
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Peripheral Nervous System (PNS): Nerves that connect the CNS to the rest of the body — carry messages to and from muscles, organs, and skin.
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3. What does the cerebrum do?
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It controls thinking, learning, memory, emotions, and voluntary movements.
✔ *Explanation:* The cerebrum is the largest part of the brain. It’s responsible for higher functions like problem-solving, language, and coordinating movement based on conscious decisions.
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4. What does the cerebellum coordinate?
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Balance, posture, and fine motor coordination (like walking, writing, or catching a ball).
✔ *Explanation:* Located at the back of the brain, the cerebellum helps you move smoothly and stay balanced. It doesn’t initiate movement but refines it.
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5. Where are the neurons found in the body?
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Throughout the entire nervous system — in the brain, spinal cord, and nerves.
✔ *Explanation:* Neurons are specialized cells that transmit electrical and chemical signals. They form networks in the brain and spinal cord (central nervous system) and extend through nerves to all parts of the body (peripheral nervous system).
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✔ B. Instructions: Write the names of the glands in the diagram.
*(Based on standard human endocrine system diagrams for 5th grade level)*
From top to bottom:
➤ Top arrow (pointing to brain area):
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Pituitary gland
✔ *Explanation:* Often called the “master gland,” it’s located at the base of the brain and controls other glands by releasing hormones.
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➤ Middle arrow (pointing to neck/throat area):
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Thyroid gland
✔ *Explanation:* A butterfly-shaped gland in the neck that regulates metabolism, growth, and body temperature.
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➤ Bottom arrow (pointing to abdominal area, near kidneys):
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Adrenal glands
✔ *Explanation:* Small glands sitting on top of each kidney. They produce hormones like adrenaline (for “fight or flight”) and cortisol (for stress response).
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## 📝 Final Answers Summary:
A. Short Answers:
1. Brain
2. Brain, spinal cord, and nerves
3. Controls thinking, learning, memory, emotions, and voluntary movements
4. Coordinates balance, posture, and fine motor skills
5. In the brain, spinal cord, and nerves
B. Gland Labels (from top to bottom):
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Pituitary gland
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Thyroid gland
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Adrenal glands
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✔ This worksheet covers basic human body systems — perfect for 5th grade science! Let me know if you’d like a printable version or flashcards for review.
Parent Tip: Review the logic above to help your child master the concept of worksheet for 5th grade science.
