Particle Theory for G7

What is a solvent?

• The substance that dissolve other substances in a solution.

• The substance that is being dissolved in a solution.

• The mixing of different substances.

• The process in which neutral molecules lose or gain electrons

What is a solute?

• The substance that dissolve other substances in a solution.

• The substance that is dissolved into the solution.

• The mixing of different substances.

• The process in which neutral molecules lose or gain electrons

A student added sugar to a cup of water and stirred with a spoon.  After 10 minutes you could not see the sugar anymore.  What happened to the sugar?

• the sugar evaporated
• the sugar dissolved
• the sugar was magnetic

Tags

NGSS.MS-PS1-2

Name the 3 states of Matter

• Solid, Liquid and Gas
• Solid and Gas
• Liquid and Gas

Tags

NGSS.MS-PS1-4

Particles in a _____________ are tightly packed together.

• solid
• liquid
• gas
• plasma

Tags

NGSS.2-PS1-1

Number 2 represents a ________

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

Which point of the particle theory is depicted in this picture?

• particles are in constant motion
• different substances are made of different particles
• all matter is made of particles
• particles move faster when heat is added

Particles in a _________ take the shape of the container.

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

As particles are exposed to warmer temperatures they __________

• speed up
• slow down
• stay the same
• vibrate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the change of state from a solid straight to a gas called?

• melting
• evaporating
• freezing
• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4