1) What is a wave? a) a disturbance that moves energy b) motion of water c) back and forth movement d) kinetic energy shifts 2) What do mechanical waves need in order to move? a) cold b) heat c) gravity d) a medium 3) Select the medium for waves in this situation: someone pushing dominoes falling down a) air b) the dominoes  c) the hand pushing them d) the table 4) What is being measured at letter C? a) Wavelength b) Height c) Energy d) Applied Force 5) What is being measured at letter D? a) Wavelength b) Height c) Energy d) Applied Force 6) In which direction is the applied force in relation to the energy flow in a LONGITUDINAL wave? a) Perpendicular b) The same direction c) Opposite direction d) Always down 7) In which direction is the applied force in relation to the energy flow in a TRANSVERSE wave? a) Perpendicular b) The same direction c) Opposite direction d) Always UP 8) What do MECHANICAL waves always need to transfer energy? a) Gravity b) Medium c) Sound d) Light 9) Which of the following is an example of a MEDIUM? a) Air b) Light c) Sound d) Gravity 10) This picture is an example of what type of wave? a) Transverse b) Longitudinal 11) This picture is an example of what type of wave? a) Transverse b) Longitudinal 12) This picture is an example of what type of wave? a) Transverse b) Longitudinal 13) This picture is an example of what type of wave? a) Transverse b) Longitudinal

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