Grade 7 Science Worksheets Wave Interaction

 Mechanical Waves

01.

Waves that require a medium to travel through, such as air or water. They transfer energy by causing particles in the medium to vibrate.

Electromagnetic Waves

02.

Waves that can travel through empty space, like light or radio waves. They do not rely on a medium for propagation.

 Transverse Waves

03.

Waves where particles move perpendicular to the direction of the wave's motion. Examples include light waves and radio waves, characterized by crests and troughs.

 Longitudinal Waves

04.

 Waves where particles move parallel to the direction of the wave's motion. Sound waves are a common example, where compression and rarefaction occur along the direction of travel.

 Surface Waves

05.

 Waves that occur at the boundary between two different mediums, like air and water. They often exhibit circular motion and can cause phenomena such as ripples on water or tsunamis.

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