Science Olympiad-Grade-4

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Human Body Worksheet-18

1. The given figure is of human skeletal system. At which joint (P, Q, R and S) can the movement be only like the opening and closing of a door?

A. P                     B. Q                     C. R                     D. S.

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The Universe Worksheet-11

1. Which of the following statements is/are correct?

A. Sand absorbs heat more quickly and cools down faster than water

B. Water absorbs and then loses heat more slowly than sand

C. Sun is not able to heat up sand and water

D. Both A. & (B)