Particle theory

In solids, molecules do not move.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The lower (更低) the temperature, the slower the molecules (分子) move.

• True

• False

Tags

NGSS.MS-PS1-4

An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon? 气球放入了冰箱中。气球中的气体粒子会如何运动？

• The particles move more slowly and become closer together.

• The particles move more slowly and become further apart (变远).

• The particles move faster and become closer together.

• The particles move faster and become further apart. 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The more energy particles have...

• the faster they move.

• the farther apart they tend to be.

• the hotter they are.

• All of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What would cause a decrease (下降) in particle movement (粒子运动)?

• decrease atoms

  原子下降

• increase (上升) in space between atoms

• decrease in temperature

• increase in mass

  质量增加

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-1

The theory that states that all particles in matter are constantly moving; helps to describe the phases of matter 形容所有粒子都在一直运动的理论，描述物质相态的理论叫

• behavior of gases

• kinetic theory 

• matter matters

• temperature 

  温度

Tags

NGSS.MS-PS1-4

What is MATTER?

• Anything that has MASS

• Anything that takes up SPACE

• Anything that has MASS and takes up SPACE

• Anything that DOES NOT have mass or take up space

Tags

NGSS.MS-PS1-5

All matter is made up of tiny _______________

• energy 能量

• particles (atoms and molecules)

• bits

• antimatter 反物质

Tags

NGSS.MS-PS1-1

Particles at a higher temperature, move _____________ than those at a lower temperature.

• faster

• slower

Tags

NGSS.MS-PS1-4

• Solid

• Liquid

• Gass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS1-1