| Questions | 5 |
| Topics | Atom, Base Units, Moon, Periods, Power |
An atom is the smallest component of an element that still retains the properties of the element.
| Measurement | Base Unit | Example |
|---|---|---|
| length / distance | meter (m) | km |
| mass | gram (g) | kg |
| volume | liter (L) | mL |
| volume (medical) | cubic centimeter (cc) | cc |
| time | second (s), minute (min), hour (h) | ms, min, h |
| temperature | centigrade (°C) | °C |
Tides are caused by the gravitational interaction of Earth and the Moon.
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
Power is the rate at which work is performed or work per unit time: \(P = {w \over t}\) and is measured in watts (W).