States of Matter and Thermal Energy

How does plasma differ from the other 3 states of matter?

• plasma has positive and negatively charged particles

• Plasma does not have positive and negatively charged particles

Thermal energy always flows from a _____ to a ______ substance.

• cooler to warmer

• warmer to cooler

Which state of matter has an indefinite shape and volume?

• solid

• liquid

• gas

Which state would show the particles and not able to move easily?

• solid

• liquid

• gas

The energy needed to go from a solid to a liquid is called...

• condensation

• heat of fusion

• freezing

• heat of vaporization

What is sublimation?

• liquid to solid

• solid to gas

• gas to solid

• solid to liquid

Which is an example of sublimation?

• freezing

• puddle

• dry ice

True or False. Is exothermic when a substance absorbs energy?

• true

• false

What is exothermic?

• losing energy

• gaining energy

What is endothermic?

• losing energy

• gaining energy