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If you slow the motion of water molecules down, they are more likely to become

• a gas.

• hotter.

• colder.

• absorbed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which state or states of matter take(s) the shape of its container?

• gas

• solid

• liquid

• liquid and gas

Which particle has the most energy?

• ice

• water

• steam

• there is no difference in particle energy

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The molecules that make up a plastic two-liter bottle

• are in constant, rapid, random motion.

• have a volume of more than two liters if melted.

• expand to take the shape of wherever the bottle is placed.

• are closer together than the molecules of soda that they contain.

Tags

NGSS.MS-PS1-4

The most abundant state of matter in the universe is also the state with the most kinetic energy. That is

• gas

• liquid

• plasma

• solid

A scientist observes that the particles of a gas are arranged as shown. If the gas begins to condense into a liquid, which particle arrangement would MOST LIKELY be observed?

• a

• b

• c

• d

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Plasma occurs in electrical sparks. These sparks contain

• free protons.

• free molecules.

• ions and electrons.

• neutrons and protons.

Tags

NGSS.MS-PS2-5

As we stand and watch the hot air balloon rise in the sky, we can imagine what is happening at the microscopic level to the gas molecules inside the balloon. As the balloon rises, the gas molecules are

• moving faster and spreading apart.

• slowing down and moving closer together.

• gradually escaping from the confines of the balloon.

• all collecting at the top of the balloon, pushing upward.

Tags

NGSS.MS-PS1-4

As ice transforms into steam,

• new molecules are formed.

• the types of atoms are changed.

• energy is absorbed by the molecules.

• the mass of the molecules is increased.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Solids are often defined as having a definite shape, while gases and liquids have no definite shape. This can best be explained by the fact that

• solids have a more ordered arrangement of atoms than liquids and gases.

• in solids molecules move faster than in liquids or gases.

• solids have less internal energy than liquids and gases.

• solids have the least orderly internal structure.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4