SCIENCE REVIEW WORKSHEET# 1:

SKELETON:

Q1) Is the skull made of one bone or many bones?

A1) There are 29 bones altogether in the skull and jaw. They make the box to protect the brains, eyes and ears.

Q2) Why do you think the skull is important?

A2) The skull supports the structures of the face and forms a cavity for the brain. It protects the brain from injury.

Q3) Which is the biggest bone in the body? Why do you think this is so?

A3) Our femur (thigh bone) is not only the largest bone, but also the strongest one, bearing much of the weight of our body.

Q4) Which is the smallest bones in the body?

A4) The smallest bone in the human body is a tiny middle ear bone called the Stapes or Stirrup bone.

Q5) What parts of your body do you think the ribs surround? Why do you think the ribs are there?

A5) Our ribs form a protective cage that encloses many organs like our heart and lungs.

Q6) How strong are your arm muscles? Design a fair test to find out?

A6) When we lift the weight our Bicep contracts and Triceps get relax. However, when we drop weight Triceps contract and Bicep gets relax.

Q7) Why is the heart not joined to any bone?

A7) The heart is a special muscle that is not joined to any bone.

Q8) What is skeleton?

A8) A skeleton is a hard, strong frame that supports our bodies from the inside.

Q9) What are skeleton made up of?

A9) Skeletons are made up of bones.

Q10) How do you feel the bones of your skeleton?

A10) We can feel the bones your skeleton through your skin.

Q11) Why must skeletons be hard and strong?

A11) Skeletons are hard and strong to support the body.

Q12) Why do you think the bones of your skeleton are different shapes and sizes?

A12) The bones of our skeleton are of different shapes and sizes because each bone perform different work to do.

Q13) Bones are not heavy. How do you think this helps animals?

A13) Bones are not heavy because it helps animals to run fast and work quickly.

Q14) Draw a picture of what you think a person without a skeleton might look like?

A14)   The body without skeleton will be like wobbly jelly.

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