Solar Energy and Nuclear Reactions

Front

What phase change is being described in the picture below?

Back

Freezing

Front

For the diagram, what conclusion can you draw about the energy of the particles?

Back

Decreasing

Front

What does the Sample 1 illustrate? Options: gas, solid, plasma, liquid

Back

gas

Front

What states of matter maintain their shape?

Back

solid & gas

Front

The graph to the side shows a compound being cooled at a constant rate starting at a temperature above the boiling point. What is the approximate freezing point of this substance?

Back

50

Front

On the graph, which line segments represent phase change?

Back

BC and DE

Front

During region AB, the thermal energy ____

Back

Decreasing

Front

During region AB, the phase energy is ____________.

Back

The same

Front

According to the graph, what phase(s) of matter would you expect to occur at 40°C?

Back

Solid

Front

A cooling curve is a

Back

Physical Change