Light, Sound, Sight, and Hearing | Baamboozle - Baamboozle

Draw a picture of a lens that will make light rays come together.

What type of lens makes light waves come together? (convex or concave)

Convex

What type of lens makes light rays spread out? (Convex or concave)

Concave

What is Colour blindness caused by?

The retina can't seperate some colours, so they look the same.

Sound travels better through solid objects than through gases. Why?

The particles in a solid are more dense, so there is less distance for a particle to travel before it hits the next particle.

Sound needs _____________ for the sound waves to travel

particles

Near sightedness is when someone can't see things that are far away clearly. How can we fix this? (be specific)

Glasses with concave lenses

Where is the retina?

At the back of your eye

What is the retina made of?

Light sensitive cells

Is the lens in our eye concave or convex?

Convex

What is colour blindness?

Colour blindness is an affliction where the person cant see all colours properly. This means that some colours (such as yellow and red) look the same.

There are 2 cats laying in the sun. Why is the black cat warmer?

Because black absorbs all the light and light waves create heat

What are the seven colours of the rainbow?

red, orange, yellow, green, blue, indigo, violet

Why does a orange look orange?

When light hits the orange the orange light bounces off and the rest of the colours are absorbed

Visible light is..

the light waves that we can see. Some light waves (such as UV) are invisible.

Sound travels in

waves

Light travels in

waves

If it is very dark will your pupil get bigger or smaller?

bigger

What is the job of the cornea

protects the eye

Reflection is

when light bounces off an object

Refraction is

when light goes from one medium to another and the light bends

We see the colour black when

all colours of light are absorbed

White light is made of...

All the colours