| A | B |
|---|
| Science | study of things on earth and beyond |
| Technology | Study or use of high-tech things |
| 4 Branches of sci. | Earth, Physics, Chemistry, |
| Hypothisis | a guess about what will happen in the future |
| Variable | the thing in the expriment that does change |
| Control | the thing in the experement that does not change |
| Theory | Based on a guess or a thought |
| Law | Based on real Data |
| Kilo= | 1000 |
| Hecto= | 100 |
| Deka= | 10 |
| Deci= | .1 |
| Centi= | .10 |
| Volume= | Scale (balance) |
| Length= | Ruler |
| Metric unit for Length | meter |
| Metric unit for density | gram |
| one cm3= 1 mL | True |
| Matter | anything that takes up space and has weight |
| Compound | Combination of 2 or more elements and is hard to seperate |
| Mixture | Combination of 2 or more elements and is hard to seperate |
| Neutrons | - |
| Electrons | + |
| H= | Hydrogen |
| N= | Nitrogen |
| O= | Oxygen |
| F= | Flourine |
| He= | Helium |
| Na | Sodium |
| Mg= | Magnesium |
| Al= | Aluminum |
| Si= | Silicon |
| P= | Phospherus |
| Cl= | Chlorine |
