Elements
A pure substance that cannot be broken down into simpler substances by chemical or physical means
What is an element
What elements are composed of
What are extremely small particles called atoms
What all living things are composed of
What are cells
The crest
What is the highest part of a wave
An instrument that allows us to see things that are too small to see with the naked eye
What is a microscope?
The atomic number of Hydrogen
What is one
A model that includes two hydrogen atoms and an oxygen atom represents what?
What is a water molecule?
Cells are the basic units of
What is structure and function of living things
The measure from rest to crest or rest to trough
What is amplitude
The heart is a part of this system
What is the circulatory system?
The elements of the periodic table are organized into families by this property
What is reactivity
Contains only one kind of atom
What is an element?
What all cells come from
What is other cells
Contains compressions
What is a longitudinal wave?
cells
tissues
organs
organ systems
What is the organization of living things from smallest to largest
What the atomic number tells you
What is the number of protons in the nucleus
Flammability, corrosion and acidity
What are three chemical properties of matter
What everything must pass through to get into the cell.
What is the cell membrane?
The number of complete waves that pass a given point in a certain amount of time
What is frequency?
The letter that is not found in the periodic table of symbols
What is "J"
Periodic means...
What is in a regular, repeated pattern
Evidence that oxygen has reacted with iron
What is rusting?
A cell wall
What is found in a plant cell.
The distance between two corresponding parts of a wave
What blimps are filled with that allows them to fly
What is helium