ENERGY WAVES SOUND LIGHT MISC 5 pt 5 pt 5 pt 5 pt 5 pt 10 pt 10 pt 10 pt 10 pt 10 pt 15 pt 15 pt 15 pt 15 pt 15 pt 20 pt 20 pt 20 pt 20 pt 20 pt 25 pt 25 pt 25 pt 25 pt 25 1pt A kite stuck in a tree has ____________ energy. 2 POTENTIAL 3 A burning fire produces _____________ and _____________ energy. 4 RADIANT & THERMAL 5 In every energy transformation, some energy is always “lost” as ________ energy. 6 THERMAL 7 _______ is an alternative resource. COAL, NATURAL GAS, WIND, OIL 8 WIND 9 A photovoltaic cell converts ________ energy to ________ energy. 10 RADIANT to ELECTRICAL 11 In a transverse wave, the highest point is called the __________. 12 CREST 13 The SI unit for wave frequency is the ________. 14 HERTZ 15 Sound waves produced by a vibrating object are ___________ waves. COMPRESSIONAL, SEISMIC, ELECTROMAGNETIC, TRANSVERSE 16 COMPRESSIONAL 17 The electromagnetic waves with the highest energy are the __________ waves. 18 GAMMA 19 The shortest radio waves are called ____________. (Remember – shorter waves have higher frequencies!) 20 MICROWAVES 21 Loudness is the human perception of sound wave _________. FREQUENCY, PITCH, INTENSITY, SPEED 22 INTENSITY 23 The process of detecting objects by bouncing sounds off of them is called ____________. 24 ECHOLOCATION 25 Sound intensity is measured in ___________. (what unit?) 26 DECIBELS 27 Sound waves travel most slowly in what type of medium? ______________ 28 AIR (OR GAS) 29 Another term for repeated echoes is _____________. 30 REVERBERATION 31 Light travels fastest through what? 32 EMPTY SPACE 33 Light waves change direction and speed when they enter a new substance. This is called _____________. 34 REFRACTION 35 The bending of light waves around an object is referred to as __________. 36 DIFFRACTION 37 Light waves that cause sunburn are called ______________ waves. 38 ULTRAVIOLET 39 Visible light is a very small portion of the _____________ spectrum. 40 ELECTROMAGNETIC 41 Tsunamis are caused by __________________. 42 EARTHQUAKES ON THE OCEAN FLOOR 43 When you see a change in the environment, you know that _______ has been transferred. 44 ENERGY 45 If the distance between the crest and trough of a transverse wave is 8.4m, the wave’s amplitude is _____m. 46 4.2 47 A disturbance that moves through matter or space is the definition of a ________. 48 WAVE 49 How much of the energy emitted by the sun reaches earth? ALMOST ALL, MOST, ABOUT HALF, A VERY SMALL FRACTION 50 A VERY SMALL FRACTION 51