Sounds are caused by *******. The ***** something vibrates, the ***** the pitch is. The louder the sound is the *****, it ******.
vibrations/ faster highter. the stronger it vibrates.
A black cat is black because it ********** all the coulours that make up light.
absorbs
What is the properties of light? Properties are the special things that an object has.
Light is 1. travels in straingt line. 2. pass through some things but not others. 3. can be reflected 4. can be bend
A clean, white shirt appears white because it ********* all the spectral colours of the rainbow.
absorbs
White light is make up of all the spectral colours of the ****
Rainbow
The grass looks green becaseu it ****** all coulours except green.
absorbs
Light is a form of energy. Natural/ Artificial Light producer/ Light reflector 1. Sun 2. Moon 3. Lightening 4. Flashlight 5. water 6. candle 7 Sunglass
1. Natura/Light producer 2. Natural/ Light reflector 3.Natura/ producer 4. Art/ Produce 5. Nat/ Reflector 6 Art/ Producer 7. Art/ Ref.
What is the cochlea? Which part of ear is it located?
The cochlea changes the motion of vibrations into signals. Those signals are carried to the brain through nerves. It is located in the inner ear.
What is translucent? Examples
A translucent material allows some light to pass through. thin paper
Sound is collected by the ******, which is made up of an earflap and a tunnel that leads to the *******, a thin-skinned structure.
outer ear/ eardrum
What colours you can see when they are mixed. Red+Yellow/ Red + Blue / Yellow + Blue
Orage / Purple / Green
There are three tiny little bonew in your middle ear. These bones, the *****, *****, ****, make the vibrations larger and send these vibrations to the *******.
hammer, anvil, stirrup, inner ear
What is transparent? Examples
Materials that allow all light to pass throug. Window, Glass
When sound waves reflect or absorb?
Smooth and shiny surfaces reflect sound waves. Rough surfaces absorb them.
What is opaque? Examples
Materials that don't allow pass through the light at all. rock
Sound travels in ******, which can be ******* or *********.
waves absorbed or reflected
The human ear is a complex organ designed to detect *********, thus giving us information about our environment.
vibrations