Science-olympiad practice test-grade-3-part-1

physical science worksheets

Interactive quizzes & worksheets on air and water, our universe, plant life, soil and weather for grade-3 olympiad science students.
Pattern of questions : Multiple Choice Questions


  1. A form of energy that you can hear. It moves in waves through air or water. An example would be when something vibrates. This energy is called.

(A) Sound (B) Light


  1. The energy from the sun is an example of how light energy changes into energy.

(A) heat energy                    (B) light energy

(C) sound energy


  1. Where do we get Solar Energy from;

(A) The Sun                                   (B) The Moon

(C) The Ocean                               (D) Saturn


  1. How do plants change Sunlight into food ? What is the process called?

(A) Solar Energy                           (B) Photosynthesis

(C) Heat                                          (D) Temperature


  1. What characteristics classify a fish?

(A) move, have fins, and make great pets

(B) live in water, eat, and swim

(C) live in water, have fins, and breathe through gills

(D) breathe through gills, have fins, and eat


  1. A light bulb is an example of how electrical energy changes into_______ energy. This is an example, how a wire in the bulb gets so hot that it glows brightly.

(A) heat              (B) light             (C) sound


Answer Keys

(7)–A; (8)–A; (9)–A; (10)–B; (11)–C; (12)–A