Fill in the blank: Solid is one of the three main states of _______.

• matter

• energy

• light

• sound

Tags

NGSS.MS-PS1-4

Match the following descriptions with how molecules move in a liquid.

• Molecules are fixed in place.

• randomly

• Molecules move at a reduced pace.

• rigidly

• Molecules move in an unpredictable manner.

• slowly

• Molecules move without restriction.

• freely

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Fill in the blank: Gas is a substance possessing perfect molecular _______.

• mobility

• stability

• density

• rigidity

Tags

NGSS.MS-PS1-4

Plasma is a highly ionized gas containing an approximately equal number of positive ions and (a)   .

• electrons
• neutrons
• protons
• atoms

Tags

NGSS.MS-PS1-1

Density is measured by the quantity of mass per unit _______.

• volume

• length

• area

• time

Fill in the blank: Volume is the amount of space measured in _______ units.

• cubic

• square

• linear

• circular

Pressure is _______ per unit area.

• force

• mass

• velocity

• temperature

Fill in the blank: Mass is usually measured in _______ or kilograms (kg).

• grams (g)

• liters (L)

• meters (m)

• seconds (s)

Temperature is a quantitative measure of average (a)   energy.

• Kinetic
• Potential
• Green
• hotness

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Fill in the blank: Solute is what is _______ in a solution.

• dissolved

• evaporated

• condensed

• frozen