What's this? What's it used for?
It's a thermometer. It's used for measuring temperature.
What is thermal energy? What is Earth's main source of it?
Heat energy; the Sun.
In what direction does thermal energy always travel?
From warmer particles to cooler ones.
What are the two systems for measuring temperature called?
Celsius and Fahrenheit.
At what temperature does water freeze? Boil?
0 Celsius, 32 Fahrenheit / 100 Celsius, 212 Fahrenheit.
What is conduction?
The transference of thermal energy between two objects that are touching each other.
What is convection?
The transference of thermal energy through liquids and gases.
What is radiation?
The transference of thermal energy through space, regardless of whether or not matter is present,
What is the role of an insulator? Give an example.
To keep heat from escaping into the cold air; a thermos.
What is the role of a conductor? Give an example.
To easily transfer heat energy; a frying pan.
