Measurement and Data collection

Front

What is the purpose of a graduated cylinder?

Back

A graduated cylinder is used to accurately measure the volume of a liquid.

Front

What laboratory equipment is used to measure mass?

Back

A triple-beam balance is used to measure the mass of an object.

Front

How do you calculate density?

Back

Density is calculated by dividing mass by volume (Density = Mass/Volume).

Front

What is the unit of measurement for mass in the metric system?

Back

The unit of measurement for mass in the metric system is grams (g).

Front

What is the unit of measurement for volume in the metric system?

Back

The unit of measurement for volume in the metric system is liters (L) or milliliters (mL).

Front

What is an independent variable in an experiment?

Back

An independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Tags

NGSS.MS-PS2-2

Front

What is a dependent variable in an experiment?

Back

A dependent variable is the factor that is measured or observed in an experiment.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Front

What is the significance of using precise measurements in experiments?

Back

Precise measurements ensure accuracy and reliability in experimental results.

Tags

NGSS.MS-PS1-2

Front

What is the mass of 35 mL of vinegar if its density is 1.2 g/mL?

Back

The mass is calculated as Density x Volume = 1.2 g/mL x 35 mL = 42 g.

Front

What is the formula for converting milliliters to liters?

Back

To convert milliliters to liters, divide the number of milliliters by 1000 (1 L = 1000 mL).