Fall Semester Flashcard 2

Front

What is the term for a material that does not transfer heat easily?

Back

Insulator

Front

What do we call materials that allow heat to flow through them easily?

Back

Conductors

Front

What is the average speed of a runner who completes a 100 meter dash in 10 seconds?

Back

10 m/s

Front

How can you distinguish between a physical change and a chemical change?

Back

By determining if a new substance is formed.

Front

What is the process called when heat is transferred through direct contact?

Back

Conduction

Front

What is the term for the transfer of heat through the movement of fluids?

Back

Convection

Front

What is the name of the process by which heat is transferred through electromagnetic waves?

Back

Radiation

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What happens to the temperature of a substance during a physical change?

Back

The temperature may change, but the substance remains the same.

Front

What is an example of a physical change?

Back

Melting ice.