ANYTHING THAT TAKES UP SPACE (ALL MATTER IS MADE UP OF ATOMS



Picture: its in space and those particles are taking up space

THE SMALLEST UNIT OF A CHEMICAL ELEMENTS



Picture: shows an atom

Each element is made from only one kind of atom there is 120 elements




Picture: water is an element in the periodic table it's h2o

A list of all elements in order



Picture: I chose this because if physically shows the periodic table

When 2 or more atoms join






Picture: showing molecules

Two or more different atoms join




Picture: showing reflection of water because water is a compound

Tells how many atoms

Multiply the # of molecules you are making

(What we breath)


Oxygen is a chemical element with symbol O and atomic number 8

Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms.

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

The cycle of plants making their own food and breathing out oxygen

What comes out of a reaction

What goes into a reaction

Sugar