The motion of atoms and molecules in a substance is

• thermal energy

• chemical energy

• mechanical energy

• electromagnetic/ radiant

  energy

Tags

NGSS.MS-PS1-4

Which statement is not correct?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-4

Matter that is lacking a definite shape but the particles are still close together and slide past one another is a

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement describes what happens to liquid water as it is heated and turns into the gas phase?

• Molecules move apart in the liquid phase but not in the gas phase.

• Molecules are fixed in place in the liquid phase but move freely in the gas phase.

• Molecules move faster and farther apart in the gas phase than in the liquid phase.

• Molecules are fixed in place in the gas phase but move freely and more rapidly in the liquid phase.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which best describes the particles in a solid?

• They vibrate in place within a fixed volume.

• they move freely with a fixed volume

• they vibrate in place and take the shape of its container

• they move freely and take the shape of the container

What would best describe the difference between molecules in ice water and a cup of hot tea?

• The molecules in the ice water move faster than in hot tea.

• The molecules in the ice water move slower than in the hot tea.

• The molecules in the hot tea have less energy than in the ice water.

• The molecules in the hot tea have the same amount of energy as in the ice water.

Tags

NGSS.MS-PS1-4

What happens to the particles in a substance when it's heated?

• the particles move faster and get closer together

• they move slower and get farther apart

• they move slower and get closer together

• they move faster and get farther apart

Tags

NGSS.MS-PS1-4

This picture represents water molecules in three different phases. Which lists them in the order shown?

• liquid, gas, solid

• gas, liquid, solid

• solid, gas, liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a liquid substance boils, what two states of matter are involved?

• liquid and solid

• gas and solid

• liquid and gas

• gas and plasma

Tags

NGSS.MS-PS1-4

Which state of matter has a definite shape and definite volume?

• solid

• liquid

• gas

• plasma