| A | B |
|---|
| A MEASURE OF HOW EASILY A SUBSTANCE WILL BURN | COMBUSTIBILITY |
| A CHANGE IN WHICH THE CHEMICAL NATURE AND PROPERTIES OF SUBSTANCES CHANGE TO FORM A NEW SUBSTANCE | CHEMICAL CHANGE |
| A MEASURE OF HOW CLOSELY PACKED AN OBJECT'S ATOMS IS | DENSITY |
| A MIXTURE IN WHICH ALL PARTS ARE MIXED EVENLY | SOLUTION |
| AN ELEMENT'S NUMBER OF PROTONS | ATOMIC NUMBER |
| A COMBINATION OF TWO OR MORE SUBSTANCES | MIXTURE |
| FOUND IN THE NUCLEUS OF AN ATOM, AND HAS NO ELECTRICAL CHARGE | NEUTRONS |
| ANYTHING THAT HAS MASS AND TAKES UP SPACE | MATTER |
| CIRCLES THE NUCLEUS OF AN ATOM | ELECTRONS |
| THE AMOUNT OF SPACE AN OBJECT TAKES UP | VOLUME |
| THE ABILITY OF A SUBSTANCE TO GO THROUGH A CHEMICAL CHANGE | REACTIVITY |
| THE SMALLEST PARTICLE THAT CAN STILL BE IDENTIFIED AS THE MATTER IT CAME FROM | ATOM |
| MATTER MADE UP OF ONLY ONE KIND OF ATOM | ELEMENT |
| TWO OR MORE ATOMS JOINED TOGETHER | MOLECULE |
| A CHANGE IN WHICH THE FORM OF A SUBSTANCE CHANGES BUT THE SUBSTANCE STILL HAS THE SAME CHEMICAL MAKEUP | PHYSICAL CHANGE |
| A DENSE AREA IN THE CENTER OF AN ATOM THAT CONTAINS PROTONS AND NEUTRONS | NUCLEUS |
| A CHART THAT SCIENTISTS USE TO ORGANIZE ELEMENTS | PERIODIC TABLE |
| FOUND IN THE NUCLEUS OF AN ATOM, AND HAS A POSITIVE CHARGE | PROTONS |
