Term | Definition |
Metric System | a measurment system based on the number 10. |
Why do scientists use a standard measurment system? | It allows scientists to compare data and communicate with each other about their results. |
What is the main SI unit of measure? | The meter |
Mass | a measure of the amount of matter in an object. |
What is the main SI unit of mass? | The kilogram. |
Weight | a measure of the force of gravity acting on an object. |
Volume | the amount of space an object or substance takes up. |
What is the main SI unit for volume? | The cubic meter. |
Density | a measure of how much mass is contained in a given volume. |
What is the main SI unit of density? | Kilograms per cubic meter. |
What other scale can you use for temperature? | In addition to the Celcius scale, scientists sometimes use another temperature scale, called the Kelvin scale. In fact, the kelvin is the official unit for temperature. |
What SI unit is used to measure time? | The second |
What are common tools scientists use to measure length and mass? | Meter stick and triple beam balance. |
What formula is used to determined the volume of a rectangular solid? | Length, times width, times height. |
Why is an objects density expressed in two units? | Because the objects density is made up of mass and volume. |
What is SI stand for? | International system of units. |
Meniscus | The curve along the top of the liquids surface. |