1) Which of these do NOT create waves? a) Water in the ocean b) Light from the sun c) Sound from the radio d) Rain from the sky 2) What is one thing that describes the motion of all waves? a) They are fast b) They are slow slow c) They repeat 3) What is the top of a wave called? a) The Crest b) The Amplitude c) The Wavelength d) The Pattern 4) What unit measures wave frequency? a) Hertz (Hz) b) Meters (m) c) Seconds (s) d) Newtons (N) 5) Which type of wave requires a medium (substance) to travel through? a) Sound waves b) Light Waves c) Radio Waves d) X-Rays 6) What is the difference between two consecutive crests or troughs of a wave called? a) Amplitude b) Wavelength c) Frequency d) Velocity 7) What type of wave can travel through a vacuum (empty space)? a) Sound Waves b) Electromagnetic Waves c) Water Waves d) Seismic Waves 8) Which color of visible light has the shortest wavelength? a) Red b) Green c) Blue d) Yellow 9) What is the bending of waves around an obstacle called? a) Reflection b) Refraction c) Diffraction d) Interference 10) What type of wave occurs during an earthquake? a) Sound Waves b) Light Waves c) Seismic Waves d) Radio Waves 11) What is the lowest point of a wave called? a) Trough b) Crest c) Amplitude d) Frequency 12) What is the bouncing back of waves from a surface called? a) Reflection b) Refraction c) Diffraction d) Absorption

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