Amplify Chemical Reactions

What is the process called when a gas turns into a liquid?

• Evaporation

• Condensation

• Sublimation

• Precipitation

What is the process called when a liquid turns into a gas?

• Condensation

• Evaporation

• Sublimation

• Precipitation

What is the term for the amount of space an object occupies?

• Mass

• Density

• Volume

• Weight

What are the tiny pieces that all matter is made of?

• Molecules

• Atoms

• Cells

• Particles

What is the term for a change in which a new substance is formed?

• Physical change

• Chemical change

• Biological change

• Mechanical change

What is something that can be observed about a substance, such as color, smell, or boiling point?

• Attribute

• Characteristic

• Property

• Feature

What is the temperature at which a substance changes from the solid phase to the liquid phase?

• Melting point

• Boiling point

• Freezing point

• Sublimation point

Will the properties of two samples made of different repeating groups of atoms likely be the same or different?

• Same

• Different

• Similar

• Identical

What is the term for the energy required to break bonds in a chemical reaction?

• Activation energy

• Bond energy

• Thermal energy

• Kinetic energy

What is the term for a change that does not alter the chemical composition of a substance?

• Chemical change

• Physical change

• Biological change

• Nuclear change