Science olympiad grade 3 Worksheet-2

Science olympiad grade 3 Worksheet-2

9. Soil contains:

(A) only clay, and no humus

(B) silt and sand, but never clay

(C) humus and clay, but never sand

(D) rock, silt, sand, clay and humus

10. What does volume mean?

(A) the amount of matter in an object

(B) the pull of gravity on an object

(C) how hot or cold an object is

(D) how much space an object takes up

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11. When an ice cube melts, it change from

(A) a solid to a liquid.                  (B) a liquid to a gas.

(C) a solid to a gas.                      (D) a gas to a solid.

12. Shauna placed a cup of water in a warm place. One week later, no water was left in the cup. What probably happened?

(A) The liquid water changed to a gas.

(B) The liquid water changed to a solid.

(C) The water leaked out of the cup.

(D) The water spilled from the cup.

13. Which of the following has the greatest mass?

(A) coin              (B) pencil           (C) computer    (D) cup

14. Which tool would you use to measure the width of your classroom?

(A) graduated cylinder                (B) meter stick

(C) spring scale                             (D) Balance

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15. Which tool should you use to measure the distance around a pumpkin?

(A) graduated cylinder                (B) ruler

(C) scale                                         (D) measuring tape

16. Ravi is growing three bean plants. He wants to compare their heights. Which tools should he use?

(A) metric ruler                            (B) spring scale

(C) hand lens                                 (D) balance

Answer Keys

(9)–D; (10)–D; (11)–A; (12)–A; (13)–C; (14)–B; (15)–D; (16)–A