States of Matter and Phase Changes

Front

What causes a hot air balloon to rise?

Back

Particles move faster and farther apart when heated.

Tags

NGSS.MS-PS1-4

Front

In a phase change diagram, which section represents the temperature of the liquid rising?

Back

C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What are the characteristics of gas as a state of matter?

Back

1. Particles move freely; 2. High energy; 3. Very weak molecular attraction between particles.

Front

Which has a greater density: a grape tomato or vegetable oil?

Back

Grape tomato.

Front

What is the phase change called when dry ice changes from a solid to a gas?

Back

Sublimation.

Tags

NGSS.MS-PS1-4

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

How does temperature affect the state of matter?

Back

Increasing temperature generally increases the energy of particles, causing them to move apart and change state.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Tags

NGSS.MS-PS1-1

Front

What happens to the particles in a substance during melting?

Back

Particles gain energy and move apart, transitioning from a solid to a liquid.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the phase change from gas to liquid.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4