Food Science Midterm- Fall 2024

Front

The most common solvent in food is ___

Back

water

Front

The substance in which particles are distributed in a colloid is called the continuous phase. (True/False)

Back

True

Front

The pH of a solution and the strength of an acid describe different properties of the same solution. (True/False)

Back

True

Front

A ________ has different properties than the elements that form it.

Back

compound

Tags

NGSS.MS-PS1-2

Front

The independent variable is part of which step of the scientific method?

Back

Experiment

Front

What is a colloid?

Back

A mixture where tiny particles are evenly distributed but not dissolved.

Front

Define pH.

Back

A measure of how acidic or basic a solution is, on a scale of 0 to 14.

Front

What is a solution?

Back

A homogeneous mixture composed of two or more substances.

Front

What is the difference between a compound and a mixture?

Back

A compound has a fixed composition and properties different from its elements, while a mixture retains the properties of its components.

Front

What is the role of an independent variable in an experiment?

Back

It is the variable that is changed or controlled to test its effects on the dependent variable.

Tags

NGSS.MS-PS2-2