Random States of Matter Interpreting Graphs State Changes Examples

States of Matter – 10 Points QUESTION: This state of matter has very weak intermolecular forces. ANSWER: Gas Back

States of Matter – 20 Points QUESTION: This state of matter will take the shape of its container but keep its volume. ANSWER: Liquid Back

States of Matter – 30 Points QUESTION: The _____________ weaken as a substance changes from a liquid to a gas. ANSWER: Intermolecular forces Back

States of Matter – 40 Points QUESTION: This state of matter will take the volume of its container ANSWER: Gas Back

States of Matter – 50 Points QUESTION: Giving the particles of a gas even more energy can sometimes lead to the state change called ionization, in which the gas will become a _______________. ANSWER: Plasma Back

Interpreting Graphs– 10 Points QUESTION: Which part of the graph represents the substance in a liquid state. ANSWER: Between C and D Back

Interpreting Graphs– 20 Points QUESTION: This part of the graph represents the substance freezing. ANSWER: Between D and E Back

Interpreting Graphs– 30 Points QUESTION: Approximately what temperature is the freezing point of the substance? ANSWER: 1500 degrees C Back

Interpreting Graphs– 40 Points QUESTION: What would the graph of a substance that sublimes look like? ANSWER: Back

Interpreting Graphs– 50 Points QUESTION: Which part of the graph shows the kinetic energy of the particles in this substance decreasing? ANSWER: None! It is only increasing in this graph. Back

State Changes– 10 Points QUESTION: In this state change a solid turns into a liquid. ANSWER: Melting Back

State Changes– 20 Points QUESTION: Liquid lava turning into solid rock, basalt. ANSWER: Freezing Back

State Changes– 30 Points QUESTION: In this state change, particles of a relatively cool liquid become a gas at the surface of the liquid. ANSWER: Evaporation Back

State Changes– 40 Points QUESTION: What change in state is occurring at section BC? What is happening to the kinetic energy of the particles in that section? ANSWER: Condensation. KE remains the same. Back

State Changes– 50 Points QUESTION: An extremely low temperature change in state can result in this state of matter: it is an excellent electrical conductor and can sometimes slow down light. ANSWER: A Bose-Einstein condensate Back

Examples– 10 Points QUESTION: Which state of matter is the most dense? ANSWER: Solids Back

Examples– 20 Points QUESTION: When you put cheese in the microwave and it comes out as a puddle, it is an example of what? ANSWER: Melting Back

Examples– 30 Points QUESTION: Frost crystals forming on a freezer are in a ________ state, and formed by _____________. ANSWER: Solid. Deposition. Back

Examples– 40 Points QUESTION: 1.Heating soup broth until it is hot and bubbling. 2. Watching a drop of water disappear from the floor at room temperature These are examples of____________ ANSWER: Vaporization Back

Examples– 50 Points QUESTION: The most common state of matter in the universe is __________. ANSWER: Plasma Back

Random– 10 Points QUESTION: The measure of the average kinetic energy in the particles of a substance ANSWER: Temperature Back

Random– 20 Points QUESTION: When something freezes, what happens to the energy of the particles? ANSWER: Losing energy/ energy decreases (exothermic) Back

Random– 30 Points QUESTION: The energy an object has due to its motion. ANSWER: Kinetic energy Back

Random– 40 Points QUESTION: The total kinetic and potential energy in a substance ANSWER: Thermal energy. Back

Random– 50 Points QUESTION: As the particles in a substance separate, this means an increase in __________ ANSWER: Potential energy Back