7th Sci Nos Chp 3 Test

Front

What is the SI measurement system?

Back

The International System of Units (SI) is a standardized system of measurement used globally, based on the number 10, which simplifies conversions.

Front

Why do scientists use SI measurements?

Back

Scientists use SI measurements to ensure consistency and accuracy in their results, allowing for easy sharing and comparison of data.

Front

What does accuracy refer to in measurements?

Back

Accuracy refers to how close a measurement is to the true value.

Front

What is the SI unit for time?

Back

The SI unit for time is the second.

Front

What tool is used to measure mass?

Back

A Triple Beam Balance is used to measure mass.

Front

What is the SI unit for temperature?

Back

The SI unit for temperature is Kelvin.

Front

What is precision in measurements?

Back

Precision refers to how close multiple measurements are to each other, regardless of their accuracy.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is a graduated cylinder used for?

Back

A graduated cylinder is used to measure the volume of liquids.

Front

What is the purpose of a spring scale?

Back

A spring scale is used to measure force or weight by the distance a spring stretches.