Science olympiad grade 3 Worksheet-4

Science olympiad grade 3 Worksheet-4

25. 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

26. 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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27. 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.

28. The loudness of a sound is called

(A) the sound wave                      (B) the volume

(C) the amplitude                         (D) the pitch

29. The water cycle includes condensation, evaporation and precipitation.

(A) True             (B) False

30. Which property of liquid allows it to be pushed through the pump of a soap dispenser?

(A) It can change its volume.     (B) It can change its shape.

(C) It has no shape.                      (D) It has no volume

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31. What happens to the particles in a solid when you heat the solid?

(A) They melt.                               (B) They speed up.

(C) They slow down.                    (D) They turn on a fan.

32. How can a liquid become a solid?

(A) By something removing heat from it and slowing down the particles.

(B) By something removing heat from it and speeding up the particles.

(C) By something adding heat to it and slowing down the particles.

(D) By something adding heat to it and speeding up the particles.

Answer Keys

(25)–A; (26)–C; (27)–D; (28)–B; (29)–A; (30)–B; (31)–B; (32)–A