Physical Science-Grade 7
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30 questions
| 🇬🇧 | 🇬🇧 |
| The temperature scale on which zero is the temperature at which no more energy can be removed from matter. | Kelvin scale |
| The temperature scale on which water freezes at 0 degrees Celcius and boils at 100 degrees Celcius. | Celsius scale |
| The temperature scale on which water freezes at 32 degrees Fahrenheit and boils at 212 degress Fahrenheit. | Fahrenheit scale |
| A change from one form of energy to another: also called an energy conversion | Energy transformation |
| The rule that energy cannot be created or destroyed | Law of Conservation of Energy |
| Involves designing and building military works, along with ways of communicating and transporting people and things. | Military engineering |
| Focuses on machinery and mechanical systems, from robots to engines. | Mechanical engineering |
| It deals with devices and systems that can range anywhere from microchips and cell phones to the giant power station generators that help supply energy to the big cities. | Electrical engineering |
| It has a wide focus: -designing and operating chemical plants that do things like refine oil and distill alcohol -deals with food, medicine, the environment and much more | Chemical engineering |
| Designs and optimizes the facilities, equipment, and systems that many other engineers use to create their products. | Industrial Engineering |
| The height of a wave of energy | Amplitude |
| Amount of sound | Volume |