| Term | Definition |
| Earthquake | Usually occur on the edge of plate tectonics where they push, pull or scrape against each other |
| Mixture | A combination of 2 or more substances that are not chemically combined |
| Dominant | The stonger gene; more common; "take-over" gene |
| Recessive | The weaker gene; must inherit 2 of the genes to inherit it |
| Chromosome | A tightly packaged DNA molecule that is inherited from the parents; humans have 23 pairs/46 chromosomes |
| Density of Water | 1g/ml |
| Fossil Fuel | Coal, gas, & oil; nonrenewable |
| Gene | Controls your genetics |
| Meteorite | A meteor that reaches the Earth's surface while burning up completely |
| pH scale | A way to measure how acidic a substance is |