TYPES OF WAVES GRADE 7 PHYSICS

What type of wave moves by pushing together and spreading apart in a parallel direction to the way the wave travels?

• longitudinal
• transverse
• ocean 
• radio 

What type of wave must have a medium to vibrate?

• Mechanical
• Electromagnetic
• Infrared
• Radio

What type of wave can travel without a medium? It can travel through a vacuum or empty space.

• Mechanical
• Electromagnetic
• Longitudinal
• Seismic 

What is another word we use to describe empty space?

• Medium
• Vacuum
• Water
• Speed

What do we call the vibrations that transfer or move energy from place to place?

• Waves
• Vibrations
• Medium
• Force

What do we call a material through which waves can travel? It can be a solid, liquid, or gas.

• Medium
• Vacuum
• Vibrations
• Amplitude

Which one of the following is an example of a mechanical wave?

• radio
• seismic
• infrared
• ultraviolet

What type of wave is sound?

• mechanical longitudinal

• mechanical transverse

• electromagnetic longitudinal

• electromagnetic transverse

Light from the sun can travel through space, which has no matter! What type of wave is light?

• Electromagnetic

• Mechanical

How would you describe the movement of matter in a transverse wave?

• perpendicular to direction of energy

• parallel to the direction of energy

• In zigzags

• Linear