Science olympiad grade 3 Worksheet-3

Science olympiad grade 3 Worksheet-3

17. Which would cause liquid water to change to a solid?

(A) warming     (B) heating        (C) freezing       (D) dripping

18. Soil is formed when _____ are broken down by weather, water and living things over long periods of time.

(A) Animals      (B) Rocks           (C) Houses

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19. How are liquids and solids different?

(A) A liquid doesn't change shape, but solids do.

(B) Solid's don't have volume, but liquids do.

(C) A liquid takes the shape of its container. Solids don't change shape.

(D) Solids fill the space they are put in. Liquids only take the shape of the container they are put in.

20. Which one would you use a thermometer to measure?

(A) the length of a piece of rope

(B) the mass of a rock

(C) how much time it takes for water to boil

(D) the temperature of water in a pond

21. Which of the following would you use to measure the volume of a liquid?

(A) a meter stick                           (B) a balance scale

(C) a graduated cylinder            (D) a spring scale

22. Which tool would you use to find out how long it takes to walk up a stairway?

(A) a balance scale                       (B) a meter stick

(C) a watch                                    (D) a thermometer

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23. When you leave a glass of water standing on the counter, water forms on the outside of the glass. This is an example of.

(A) condensation                          (B) a solid

(C) evaporation                             (D) a liquid

24. How are gases different from solids and liquids?

(A) Gases have a definite volume, but solids and liquids don't.

(B) Gases and liquids have no definite volume, but solids do.

(C) Gases and liquids have a definite volume, but solids don't.

(D) Gases gave no definite volume, but solids and liquids do.

Answer Keys

(17)–C; (18)–B; (19)–C; (20)–D; (21)–C; (22)–C; (23)–A; (24)–D