Matter and Energy

Multiple Choice

Which phase of matter has a definite volume, but not a definite shape?

• Solid
• Liquid
• Gas

Multiple Choice

Which phase of matter has the greatest amount of kinetic energy?

• Gas
• Solid
• Liquid

Multiple Choice

What type of change is ice melting?

• physical

• chemical

Multiple Choice

In an open system, mass is destroyed.

• TRUE

• FALSE

Multiple Choice

A reaction occurred in a sealed flask. The mass before and after the reaction is 50g. This is an example of a:

• open system

• closed system

Multiple Choice

Which beaker contains water with the greatest average kinetic energy?

• A

• B

• C

Multiple Choice

Heat always flows from:

• HOT to COLD

• COLD to HOT

Multiple Choice

Heat continues to flow between two objects until they reach_______________.

• heat retention
• thermal equilibrium
• thermal isolation

Multiple Choice

Endothermic reactions means heat ________ the system.

• GOES INTO

• EXITS

Multiple Choice

Ice* is melting in water.

• Endothermic

• Exothermic

Multiple Choice

The sun* warming up the earth

• Endothermic

• Exothermic

Multiple Choice

The sun warming up the earth

• Conduction

• Convection

• Radiation