Naming Major Bones · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

Naming Major Bones

Science · The Human Body · ages 7-9
Name ______________________   Date ____________

  1. What is the long bone in your upper arm called?

    • The pelvis
    • The humerus
    • The vertebrae

  2. Which bone protects your brain?

    • The skull
    • The femur
    • The ribcage

  3. True or false: Your spine is made of many small bones called vertebrae stacked together.

    Circle one:   True   False

  4. Leo kicks a ball. Which of the skeleton's jobs is helping his leg move?

    • Movement, bones working with muscles
    • Protection, guarding his organs
    • Support, holding him upright while sitting

  5. Which bone group protects your heart and lungs?

    • The pelvis
    • The skull
    • The ribcage

  6. You just learned to name six major bones or bone groups: skull, spine, ribcage, pelvis, femur, and humerus. How many is that?

    Answer: ______________

  7. A snail has no bones inside its body, but it still has a hard shell outside. What does this tell us?

    • All animals must have bones somewhere inside them
    • The snail's shell works like a human femur
    • Not every animal has an internal skeleton like humans do

  8. Mia says, 'My pelvis is the bone in my thigh.' What is wrong with what Mia said?

    • Nothing, she is correct
    • The pelvis is actually in the hips, the femur is the thigh bone
    • The pelvis protects the brain, not the thigh
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Answer key

For grown-ups. Fold this page away before handing over the rest.

Naming Major Bones W1-mt_OMmiuv9ZLH-s1

  1. The humerus · The humerus runs from your shoulder to your elbow.
  2. The skull · The skull is the hard bone case around your brain, keeping it safe from bumps.
  3. True · The spine, or backbone, is a stack of small bones called vertebrae, which let you bend and twist.
  4. Movement, bones working with muscles · Bones like the femur move because muscles pull on them, that is the skeleton's movement job.
  5. The ribcage · The ribcage wraps around your chest like a cage, guarding your heart and lungs underneath.
  6. 6 · Skull, spine, ribcage, pelvis, femur, humerus: six major bones or bone groups in all.
  7. Not every animal has an internal skeleton like humans do · Some animals protect and support their body with an outside shell or exoskeleton instead of inside bones.
  8. The pelvis is actually in the hips, the femur is the thigh bone · The pelvis sits at your hips, while the femur is the long bone in your thigh.
Worksheet · LightMySky