Science olympiad grade -3-Test-7


class 3 science worksheets

Worksheet-7

  1. Evaporation is when.

(A) a liquid becomes a gas         (B) a liquid becomes a solid

(C) gas becomes a liquid            (D) a solid becomes a liquid

 

  1. How are all solids alike?

(A) All solids have no shape, but take up a lot of space.

(B) All solids keep their shape no matter what.

(C) All solids keep their shape and volume unless something such as heat changes them.

(D) All solids have a definite volume unless you add water.

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  1. How are ice and the wax of a candle alike?

(A) Neither are matter, but they can both change states.

(B) They are both matter, but only the wax can change states.

(C) They are both matter, but only the ice can change states.

(D) They are both matter and they can both change states.

 

  1. The loudness of a sound is called

(A) the sound wave                      (B) the volume

(C) the amplitude                         (D) the pitch

 

Answer Keys

(25)–A; (26)–C; (27)–D; (28)–B