| Question | Answer |
|---|---|
| The distance between one crest of a sound wave and the next is the | wavelength |
| The waves of loud sounds have a greater _____________________than those of soft sounds. | amplitude |
| Objects _________________when they shake back and forth quickly. | vibrate |
| The loudness/softness of a sound is its__________________. | volume. |
| The __________________of a wave measures how many waves pass in a given amount of time. | frequency |
| The __________________ of a sound describes how high or low it is. | pitch |
| Sound is a form of _____________________________that travels in waves | energy |
| Sound will travel fastest through what medium? | solid |
| Sound cannot travel through this. | empty space |
| The function of the _____________ ______________ is to collect and funnel sound. | outer ear |
| You can “feel” sound because of ____________. | vibrations |
| There are three bones in the middle ear. They are known as the | hammer, anvil and stirrup |
| On a diagram of a sound wave, the top of the wave is the | crest |
| On a diagram of a sound wave, the bottom of the wave is the | trough |
| On a diagram of a sound wave, the measure from the resting point to the crest is known as the | amplitude |
| A unit of measurement for sound is | decible |
| What sould you change to lower the pitch of a sound wave? | frequency |
| Material that allows light to pass through is ____________. | transparent |
| When light waves bounce off an object, they __________. | reflect |
| A material that blocks light is ____________. | opaque. |
| When an object blocks light, it creates a ________________. | shadow |
| An object that lets some light through but scatters it in many directions is _____________. | translucent |
| To bend light is to _________ it. | refract |
| Something that seperates white light into colors is a________. | prism |
| A ________ is a piece of curved glass, plastic or other material that refracts light. | lens |
| A ______________lens bends light rays outward. | concave |
| A ______________ lens bends light rays inward toward a focal point. | convex |
| When light passes through a prism, colored bands exit the prism in _________________. | one order only-ROYGBIV. |
| ROYGBIV is the acronym for ___________________. | The bands of color from a prism: Red, Orange, Yellow, Green, Blue, Indigo and Violet. |
| If you shine a red light on a blue shoe, it will look ___________. | black |
| If you shine a red light on a red shoe, the shoe's color will look _________________. | red |
| What do water droplets in a rainbow act like? | prisms |
| Why does a bike's shadow have the shape of the bike? | The bike blocks the sunlight. |
| Why does the volume of a sound decrease as it move farther away from its source | The energy in the wave becomes more spread out. |
| What happens if you shine a flashlight on a mirror in a dark room? | The mirror reflects the light back to you. |
| What is the job of the inner ear? | It receives vibrations that trigger nerve cells to signal the brain. |
| I need eyeglasses to make things that are close up look clear. What types of lenses should be in my glasses? | convex |
| You can see yourself in a smooth mirror. You don’t see yourself in a crumpled piece of aluminum foil because the light is | scattered |
| Piano strings of different thicknesses and lengths produce different___________________? | pitches |
| A microscope makes objects look larger than they actually are. What kind of lens does it contain? | concave |
