Midterm Exam SLW Grade 9

A(n) ____________________is one complete back-and-forth motion of an object.

• vibration

• frequency

• amplitude

• wavelength

A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium is called ____________.

• wavelength

• motion

• wave

• seismic wave

Large underwater earthquakes can cause huge waves called ____________.

• seismic waves

• tsunamis

• surfing waves

• combination of waves

Waves that need a medium are called _____________.

• transverse waves

• electromagnetic waves

• mechanical waves

• longitudinal waves

In many science-fiction movies, explosions and other sounds are heard in outer space. This is scientifically ________________

• accurate

• inaccurate

A physical environment in which phenomena occur

• medium

• vibration

• energy

• wave

Transverse wave is

• a wave in which the particles vibrate in an up-and-down motion.

• a wave in which the particles vibrate back and forth along the path that the wave moves.

• a wave in which the particles vibrate parallel to the direction of wave motion.

• a wave that travels in space.

Waves transfer

• matter

• energy

• particles

• water

The maximum distance that the particles of a wave's medium vibrate from their rest position is called ____________.

• wavelength

• frequency

• amplitude

• crest

The distance between any two crests or compressions next to each other in a wave called ______________.

• amplitude

• frequency

• vibration

• wavelength