Physical Characteristics

The freezing and melting points of water are the same.

• True

• False

Tags

NGSS.MS-PS1-4

Lipids containing mostly saturated fatty acids __?__ than lipids containing mostly unsaturated fatty acids.

• have a higher melting point

• Have a lower melting point

• are the same

3 characteristics impact the way lipids perform in foods, they are:

• appearance

• melting and solidification points

• nonpolar nature of lipid

• tendency of lipid to react with oxygen

Tags

NGSS.MS-PS3-4

Which of the following is a physical characteristic of water?

• Colorless

• Sweet taste

• Flammable

• Metallic

Tags

NGSS.MS-PS1-1

What physical characteristic is used to identify minerals?

• Taste

• Smell

• Hardness

• Sound

The density of a substance is defined as its mass per unit volume. Which of the following has the highest density?

• Water

• Air

• Iron

• Wood

Which physical characteristic of a substance determines its state of matter at room temperature?

• Color

• Density

• Melting point

• Odor

What is the physical characteristic of metals that allows them to be drawn into wires?

• Malleability

• Ductility

• Conductivity

• Brittleness

Which of the following is a physical characteristic of gases?

• Definite shape

• Definite volume

• Compressibility

• Incompressibility

Which physical characteristic of sound is measured in decibels?

• Pitch

• Frequency

• Amplitude

• Wavelength

Tags

NGSS.MS-PS4-1