Sound
What shape do plant cells tend to be?
Rectangular
Sound is a form of ___________.
Energy
Light that bends is called
Refracted
What two parts of a plant cell are NOT in an animal cell?
Cell wall, chloroplast
High and Low frequency cause high and low _______.
Pitch
Light CANNOT pass
opaque
What is the jellylike fluid in a cell?
Cytoplasm
What is the top of a sound wave called?
Crest
What layer of the earth is made of solid nickel and iron?
inner core
What animals DO NOT have a backbone?
Invertebrate
What is another name for a sound wave?
Compression or Longitudinal
What color of the rainbow has the longest wavelength? What color has the shortest?
Red, Violet