Unit 2 Lesson 5 Review: Temperature & Heat

Temperature is actually the measure of this:

• How hot or cold it is

• The speed of molecules moving

• How hot or cold somethinjg feels

When temperature rises, molecules .......

• Slown down

• stick together

• speed up

• Disappear

When temperature goes down, molecules .......

• Slown down

• stick together

• speed up

• Disappear

The 2 most common scales to measure temperature are these: We use __________ and scientists use _________.

• Kelvin & Celcius

• Celcius & Fahrenheit

• Fahrenheit & Celcius

• Fahrenheit & Kelvin

Water freezes at _____ degrees Fahrenheit and boils at ______ degrees celcius

All forms of matter _________ when their temperature increases

• Expand

• Contract

• Melt

• Solidify

All forms of matter then _____________ when their temperature decreases

• Expand

• Contract

• Melt

• Solidify

When matters expands and contracts, it is called ______________

• Thermal Equilibrium

• Phase change

• Absolute Zero

• Thermal Expansion

Heat always transfers from _________ objects to ________ objects

Temperature change when heating something depends on 2 things:

• Amount of substance & type of substance

• Amount of heat & mass

• Type of substance & amount of heat

• Type of heat used & amount of heat