Science 7: Quarter 3

Which of the following results to a change in the velocity of an object?

Which quantity described by a magnitude only?

Which quantity needs both magnitude and direction?

What do you call a propagation of disturbances through a medium in which energy is transferred?

• Wave

• Wave pulse

• Wave train

• Wave motion

Which property of a wave describes the number of waves passing a point in one second?

• Wavelength

• Frequency

• Amplitude

• Speed

How would describe the motion of a body represented on Illustration A?

• Body is at rest

• Uniform motion

• Decreasing Velocity

• Increasing Velocity

Which of the following refers to the sound quality?

• Pitch

• Tone

• Intensity

• Frequency

Which refers to a push or pull of an object?

• Force

• Speed

• Displacement

• Acceleration

What do you call a section of longitudinal wave where particles are less crowded?

• Rarefaction

• Compression

• Electromagnetic

• Mechanical

What type of wave is a sound wave?

• Transverse wave

• Electromagnetic wave

• Longitudinal wave

• Mechanical wave