otion What I Know (Pretest) Directions: Choose the letter of the best answer. Write it in your Science Notebook. an 1. A change in position relative to a frame of reference is called A acceleration B. motion C speed D. velocity 2. The Earth's movement on its axis is a motion. A. aircular B. rolling C. periodic D. rectilinear 3. A reference point is also called A frame of reference B. position C. distance D. force 4. You need a frame of reference to describe your A motion B. distance C. speed D. position 5. An object moves if there is that is exerted on it. A force B. position C frame of reference D. distance 6. In the phrase "three blocks from the hospital", what is the hospital? A. a position B. a destination Ca dimension D. a reference point 7. A ship is sailing from the port. Compared to which reference point is the ship in motion? A. the sea B. the port C. the captain of the ship D. the cargo the ship carries 8. Which shows rectilinear motion? A. ants moving on the wall B. ball rolling C. hands of the dock D. Earth's revolution 9. To know the of a moving car, we must divide the distance travelled by the time it has covered. A force B. speed C. position D. motion 10. It is a push or a pull A friction B gravity C force D. speed