Reading Nat Sci Instruments

Front

What is an independent variable?

Back

The independent variable is the variable that is deliberately changed or manipulated in an experiment to observe its effect on the dependent variable.

Front

What is a dependent variable?

Back

The dependent variable is the variable that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

What is a graduated cylinder used for?

Back

A graduated cylinder is used to measure the volume of liquids accurately, typically in milliliters (mL).

Front

How do you read the level of liquid in a graduated cylinder?

Back

You read the level of liquid at the bottom of the meniscus, which is the curve formed by the liquid's surface.

Front

What is the smallest division on a graduated cylinder?

Back

The smallest division on a graduated cylinder is typically 1 mL.

Front

What is the purpose of a control variable in an experiment?

Back

Control variables are kept constant to ensure that any changes in the dependent variable are due to the manipulation of the independent variable.

Front

What is the difference between mass and volume?

Back

Mass is the amount of matter in an object, usually measured in grams, while volume is the amount of space an object occupies, measured in liters or milliliters.

Front

What is a hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a meniscus?

Back

A meniscus is the curve at the surface of a liquid in a container, which is caused by surface tension.