3. Why is it important to use appropriate instrument in measuring? *

A. It gives exact measurement.
B. The measurements vary.
C. Using nonstandard measuring instrument will give inaccurate measurement.
D. Both a and c

4. What instrument will you use if you want to measure the length of your pencil? *

A. tape measure
B. meter stick
C. ruler
D. zigzag ruler

5. Which of the following is the disadvantage/s of using nonstandard measuring instrument like body parts? *

A. Using measuring devices give precise and exact measurement.
B. Using nonstandard measuring instrument will give inaccurate measurement.
C. Standards of measurement help people process their data accurately.
D. all of the above

6. It is the change in position or direction. *
A. Motion
B. Friction
C. Rectilinear
D. Rolling

7. The movement of an object along a straight line. *

A. Motion
B. Friction
C. Rectilinear
D. Rolling

8. A car 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

9. Which is an ideal reference point? *

A. a colored object
B. a non-moving landmark
C. a person running
D. a cloud in the sky

10. Which is NOT used for measuring distance? *

A. measuring wheel
B. meterstick
C. tape measure
D. stopwatch​