Science extra credit crossword puzzle

Something in motion
Energy that is random
Is made up from speed and mass
Is created when a liquid is disturbed
Energy in the sun
A vibration or sound
What sound is
Energy from the sun that has been transferred and transformed into
The lowest frequency
The highest frequency
The tip of a wave
Sends out radioactive waves
A movement from a liquid or Gas]
The length of a wave
Particles that are spread out
Particles that are close together are called
Particles that are 50% close and 50% far away from each other is called
An energy that requires muscle
Is made up of Height and Mass
An object that does not allow heat to go into it
An object that allows heat to transfer into it
One of the highest radiation wave that can enter your skin
The second highest radiation wave that can enter your skin
The invisible color that is secretly next to Violet in a spectrum