Which EM waves has the highest frequency?

(a)  

Which EM waves is used in communication signals such as cell phones and bluetooth?

(a)  

Which EM wave has the longest wavelength?

(a)  

Which EM wave is used to take pictures of our bones?

(a)  

Which EM wave is found naturally in sunlight?

(a)  

Which EM wave is used as heat in toasters and grills?

(a)  

All EM waves travel at the speed of (a)   .

All EM waves are (a)   waves.

Magnetic field lines flow towards the (a)   pole of a magnet.

Electric field lines flow from the (a)   charge.

Electromagnetic waves are waves that are generated by a vibrating (a)   .

Electric fields and magnetic fields occur at (a)   angles.

Electromagnetic waves do not require (a)   to transport energy.

The bouncing of light off a barrier is known as (a)   .

When an object allows no light to pass through we call that (a)   .

When an object allows some light to pass through it we call that (a)   .

When an object allows all light to pass through it we call it (a)   .

What color reflects all light?

(a)  

What color absorbs all light?

(a)  

Which color is a mixture of all the colors of the rainbow?

(a)  

Which color wave refracts the most?

(a)  

What color is a primary color of light, but NOT a primary color of pigments and dyes?

(a)